733 lines
51 KiB
HTML
Executable File
733 lines
51 KiB
HTML
Executable File
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<!DOCTYPE html>
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<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Language Class — CodeIgniter 3.1.11 documentation</title>
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<link rel="shortcut icon" href="../_static/ci-icon.ico"/>
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<link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
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<link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" />
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<link rel="index" title="Index"
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href="../genindex.html"/>
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<link rel="search" title="Search" href="../search.html"/>
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<link rel="top" title="CodeIgniter 3.1.11 documentation" href="../index.html"/>
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<link rel="up" title="Libraries" href="index.html"/>
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<link rel="next" title="Loader Class" href="loader.html"/>
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<link rel="prev" title="Javascript Class" href="javascript.html"/>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
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</head>
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<body class="wy-body-for-nav" role="document">
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<div id="nav">
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<div id="nav_inner">
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<div id="pulldown-menu" class="ciNav">
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a></li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../installation/upgrading.html">Upgrading From a Previous Version</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../overview/index.html">CodeIgniter Overview</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../overview/getting_started.html">Getting Started</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../overview/at_a_glance.html">CodeIgniter at a Glance</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../overview/features.html">Supported Features</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../overview/appflow.html">Application Flow Chart</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
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</ul>
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</li>
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</ul>
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<ul class="current">
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<li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
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<li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
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<li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="email.html">Email Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
|
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<li class="toctree-l2 current"><a class="current reference internal" href="#">Language Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="loader.html">Loader Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="parser.html">Template Parser Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
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||
</ul>
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||
</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
|
||
</ul>
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||
</li>
|
||
</ul>
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<ul>
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||
<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
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||
<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
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||
<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
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||
<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
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||
<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
|
||
<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
|
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<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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</div>
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<div id="nav2">
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<a href="#" id="openToc">
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<img src="data:image/jpeg;base64,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" title="Toggle Table of Contents" alt="Toggle Table of Contents" />
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</a>
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<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="#">Language Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
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<div role="main" class="document">
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||
<div class="section" id="language-class">
|
||
<h1>Language Class<a class="headerlink" href="#language-class" title="Permalink to this headline">¶</a></h1>
|
||
<p>The Language Class provides functions to retrieve language files and
|
||
lines of text for purposes of internationalization.</p>
|
||
<p>In your CodeIgniter <strong>system</strong> folder, you will find a <strong>language</strong> sub-directory
|
||
containing a set of language files for the <strong>english</strong> idiom.
|
||
The files in this directory (<strong>system/language/english/</strong>) define the regular messages,
|
||
error messages, and other generally output terms or expressions, for the different parts
|
||
of the CodeIgniter framework.</p>
|
||
<p>You can create or incorporate your own language files, as needed, in order to provide
|
||
application-specific error and other messages, or to provide translations of the core
|
||
messages into other languages. These translations or additional messages would go inside
|
||
your <strong>application/language/</strong> directory, with separate sub-directories for each idiom
|
||
(for instance, ‘french’ or ‘german’).</p>
|
||
<p>The CodeIgniter framework comes with a set of language files for the “english” idiom.
|
||
Additional approved translations for different idioms may be found in the
|
||
<a class="reference external" href="https://github.com/bcit-ci/codeigniter3-translations">CodeIgniter 3 Translations repositories</a>.
|
||
Each repository deals with a single idiom.</p>
|
||
<p>When CodeIgniter loads language files, it will load the one in <strong>system/language/</strong>
|
||
first and will then look for an override in your <strong>application/language/</strong> directory.</p>
|
||
<div class="admonition note">
|
||
<p class="first admonition-title">Note</p>
|
||
<p class="last">Each language should be stored in its own folder. For example,
|
||
the English files are located at: system/language/english</p>
|
||
</div>
|
||
<div class="contents local topic" id="contents">
|
||
<ul class="simple">
|
||
<li><a class="reference internal" href="#handling-multiple-languages" id="id1">Handling Multiple Languages</a><ul>
|
||
<li><a class="reference internal" href="#sample-language-files" id="id2">Sample Language Files</a></li>
|
||
<li><a class="reference internal" href="#example-of-switching-languages" id="id3">Example of switching languages</a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#internationalization" id="id4">Internationalization</a></li>
|
||
<li><a class="reference internal" href="#using-the-language-class" id="id5">Using the Language Class</a><ul>
|
||
<li><a class="reference internal" href="#creating-language-files" id="id6">Creating Language Files</a></li>
|
||
<li><a class="reference internal" href="#loading-a-language-file" id="id7">Loading A Language File</a></li>
|
||
<li><a class="reference internal" href="#fetching-a-line-of-text" id="id8">Fetching a Line of Text</a><ul>
|
||
<li><a class="reference internal" href="#using-language-lines-as-form-labels" id="id9">Using language lines as form labels</a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#auto-loading-languages" id="id10">Auto-loading Languages</a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#class-reference" id="id11">Class Reference</a></li>
|
||
</ul>
|
||
</div>
|
||
<div class="custom-index container"></div><div class="section" id="handling-multiple-languages">
|
||
<h2><a class="toc-backref" href="#id1">Handling Multiple Languages</a><a class="headerlink" href="#handling-multiple-languages" title="Permalink to this headline">¶</a></h2>
|
||
<p>If you want to support multiple languages in your application, you would provide folders inside
|
||
your <strong>application/language/</strong> directory for each of them, and you would specify the default
|
||
language in your <strong>application/config/config.php</strong>.</p>
|
||
<p>The <strong>application/language/english/</strong> directory would contain any additional language files
|
||
needed by your application, for instance for error messages.</p>
|
||
<p>Each of the other idiom-specific directories would contain the core language files that you
|
||
obtained from the translations repositories, or that you translated yourself, as well as
|
||
any additional ones needed by your application.</p>
|
||
<p>You would store the language you are currently using, for instance in a session variable.</p>
|
||
<div class="section" id="sample-language-files">
|
||
<h3><a class="toc-backref" href="#id2">Sample Language Files</a><a class="headerlink" href="#sample-language-files" title="Permalink to this headline">¶</a></h3>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nb">system</span><span class="o">/</span>
|
||
<span class="nx">language</span><span class="o">/</span>
|
||
<span class="nx">english</span><span class="o">/</span>
|
||
<span class="o">...</span>
|
||
<span class="nx">email_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="nx">form_validation_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="o">...</span>
|
||
|
||
<span class="nx">application</span><span class="o">/</span>
|
||
<span class="nx">language</span><span class="o">/</span>
|
||
<span class="nx">english</span><span class="o">/</span>
|
||
<span class="nx">error_messages_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="nx">french</span><span class="o">/</span>
|
||
<span class="o">...</span>
|
||
<span class="nx">email_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="nx">error_messages_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="nx">form_validation_lang</span><span class="o">.</span><span class="nx">php</span>
|
||
<span class="o">...</span>
|
||
</pre></div>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="example-of-switching-languages">
|
||
<h3><a class="toc-backref" href="#id3">Example of switching languages</a><a class="headerlink" href="#example-of-switching-languages" title="Permalink to this headline">¶</a></h3>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$idiom</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">session</span><span class="o">-></span><span class="na">get_userdata</span><span class="p">(</span><span class="s1">'language'</span><span class="p">);</span>
|
||
<span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">load</span><span class="p">(</span><span class="s1">'error_messages'</span><span class="p">,</span> <span class="nv">$idiom</span><span class="p">);</span>
|
||
<span class="nv">$oops</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">line</span><span class="p">(</span><span class="s1">'message_key'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="internationalization">
|
||
<h2><a class="toc-backref" href="#id4">Internationalization</a><a class="headerlink" href="#internationalization" title="Permalink to this headline">¶</a></h2>
|
||
<p>The Language class in CodeIgniter is meant to provide an easy and lightweight
|
||
way to support multiplelanguages in your application. It is not meant to be a
|
||
full implementation of what is commonly called <a class="reference external" href="http://en.wikipedia.org/wiki/Internationalization_and_localization">internationalization and localization</a>.</p>
|
||
<p>We use the term “idiom” to refer to a language using its common name,
|
||
rather than using any of the international standards, such as “en”, “en-US”,
|
||
or “en-CA-x-ca” for English and some of its variants.</p>
|
||
<div class="admonition note">
|
||
<p class="first admonition-title">Note</p>
|
||
<p class="last">There is nothing to prevent you from using those abbreviations in your application!</p>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="using-the-language-class">
|
||
<h2><a class="toc-backref" href="#id5">Using the Language Class</a><a class="headerlink" href="#using-the-language-class" title="Permalink to this headline">¶</a></h2>
|
||
<div class="section" id="creating-language-files">
|
||
<h3><a class="toc-backref" href="#id6">Creating Language Files</a><a class="headerlink" href="#creating-language-files" title="Permalink to this headline">¶</a></h3>
|
||
<p>Language files must be named with <strong>_lang.php</strong> as the filename extension.
|
||
For example, let’s say you want to create a file containing error messages.
|
||
You might name it: error_lang.php</p>
|
||
<p>Within the file you will assign each line of text to an array called
|
||
<code class="docutils literal"><span class="pre">$lang</span></code> with this prototype:</p>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$lang</span><span class="p">[</span><span class="s1">'language_key'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'The actual message to be shown'</span><span class="p">;</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="first admonition-title">Note</p>
|
||
<p class="last">It’s a good practice to use a common prefix for all messages
|
||
in a given file to avoid collisions with similarly named items in other
|
||
files. For example, if you are creating error messages you might prefix
|
||
them with error_</p>
|
||
</div>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$lang</span><span class="p">[</span><span class="s1">'error_email_missing'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'You must submit an email address'</span><span class="p">;</span>
|
||
<span class="nv">$lang</span><span class="p">[</span><span class="s1">'error_url_missing'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'You must submit a URL'</span><span class="p">;</span>
|
||
<span class="nv">$lang</span><span class="p">[</span><span class="s1">'error_username_missing'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'You must submit a username'</span><span class="p">;</span>
|
||
</pre></div>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="loading-a-language-file">
|
||
<h3><a class="toc-backref" href="#id7">Loading A Language File</a><a class="headerlink" href="#loading-a-language-file" title="Permalink to this headline">¶</a></h3>
|
||
<p>In order to fetch a line from a particular file you must load the file
|
||
first. Loading a language file is done with the following code:</p>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">load</span><span class="p">(</span><span class="s1">'filename'</span><span class="p">,</span> <span class="s1">'language'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Where filename is the name of the file you wish to load (without the
|
||
file extension), and language is the language set containing it (ie,
|
||
english). If the second parameter is missing, the default language set
|
||
in your <strong>application/config/config.php</strong> file will be used.</p>
|
||
<p>You can also load multiple language files at the same time by passing an array of language files as first parameter.</p>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">load</span><span class="p">(</span><span class="k">array</span><span class="p">(</span><span class="s1">'filename1'</span><span class="p">,</span> <span class="s1">'filename2'</span><span class="p">));</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="first admonition-title">Note</p>
|
||
<p class="last">The <em>language</em> parameter can only consist of letters.</p>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="fetching-a-line-of-text">
|
||
<h3><a class="toc-backref" href="#id8">Fetching a Line of Text</a><a class="headerlink" href="#fetching-a-line-of-text" title="Permalink to this headline">¶</a></h3>
|
||
<p>Once your desired language file is loaded you can access any line of
|
||
text using this function:</p>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">line</span><span class="p">(</span><span class="s1">'language_key'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Where <em>language_key</em> is the array key corresponding to the line you wish
|
||
to show.</p>
|
||
<p>You can optionally pass FALSE as the second argument of that method to
|
||
disable error logging, in case you’re not sure if the line exists:</p>
|
||
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">lang</span><span class="o">-></span><span class="na">line</span><span class="p">(</span><span class="s1">'misc_key'</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="first admonition-title">Note</p>
|
||
<p class="last">This method simply returns the line. It does not echo it.</p>
|
||
</div>
|
||
<div class="section" id="using-language-lines-as-form-labels">
|
||
<h4><a class="toc-backref" href="#id9">Using language lines as form labels</a><a class="headerlink" href="#using-language-lines-as-form-labels" title="Permalink to this headline">¶</a></h4>
|
||
<p>This feature has been deprecated from the language library and moved to
|
||
the <a class="reference internal" href="../helpers/language_helper.html#lang" title="lang"><code class="xref php php-func docutils literal"><span class="pre">lang()</span></code></a> function of the <a class="reference internal" href="../helpers/language_helper.html"><span class="doc">Language Helper</span></a>.</p>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="auto-loading-languages">
|
||
<h3><a class="toc-backref" href="#id10">Auto-loading Languages</a><a class="headerlink" href="#auto-loading-languages" title="Permalink to this headline">¶</a></h3>
|
||
<p>If you find that you need a particular language globally throughout your
|
||
application, you can tell CodeIgniter to <a class="reference internal" href="../general/autoloader.html"><span class="doc">auto-load</span></a> it during system initialization. This is done
|
||
by opening the <strong>application/config/autoload.php</strong> file and adding the
|
||
language(s) to the autoload array.</p>
|
||
</div>
|
||
</div>
|
||
<div class="section" id="class-reference">
|
||
<h2><a class="toc-backref" href="#id11">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
|
||
<dl class="class">
|
||
<dt id="CI_Lang">
|
||
<em class="property">class </em><code class="descname">CI_Lang</code><a class="headerlink" href="#CI_Lang" title="Permalink to this definition">¶</a></dt>
|
||
<dd><dl class="method">
|
||
<dt id="CI_Lang::load">
|
||
<code class="descname">load</code><span class="sig-paren">(</span><em>$langfile</em><span class="optional">[</span>, <em>$idiom = ''</em><span class="optional">[</span>, <em>$return = FALSE</em><span class="optional">[</span>, <em>$add_suffix = TRUE</em><span class="optional">[</span>, <em>$alt_path = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Lang::load" title="Permalink to this definition">¶</a></dt>
|
||
<dd><table class="docutils field-list" frame="void" rules="none">
|
||
<col class="field-name" />
|
||
<col class="field-body" />
|
||
<tbody valign="top">
|
||
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
||
<li><strong>$langfile</strong> (<em>mixed</em>) – Language file to load or array with multiple files</li>
|
||
<li><strong>$idiom</strong> (<em>string</em>) – Language name (i.e. ‘english’)</li>
|
||
<li><strong>$return</strong> (<em>bool</em>) – Whether to return the loaded array of translations</li>
|
||
<li><strong>$add_suffix</strong> (<em>bool</em>) – Whether to add the ‘_lang’ suffix to the language file name</li>
|
||
<li><strong>$alt_path</strong> (<em>string</em>) – An alternative path to look in for the language file</li>
|
||
</ul>
|
||
</td>
|
||
</tr>
|
||
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Array of language lines if $return is set to TRUE, otherwise void</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">mixed</p>
|
||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<p>Loads a language file.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="method">
|
||
<dt id="CI_Lang::line">
|
||
<code class="descname">line</code><span class="sig-paren">(</span><em>$line</em><span class="optional">[</span>, <em>$log_errors = TRUE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Lang::line" title="Permalink to this definition">¶</a></dt>
|
||
<dd><table class="docutils field-list" frame="void" rules="none">
|
||
<col class="field-name" />
|
||
<col class="field-body" />
|
||
<tbody valign="top">
|
||
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
|
||
<li><strong>$line</strong> (<em>string</em>) – Language line key name</li>
|
||
<li><strong>$log_errors</strong> (<em>bool</em>) – Whether to log an error if the line isn’t found</li>
|
||
</ul>
|
||
</td>
|
||
</tr>
|
||
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Language line string or FALSE on failure</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
|
||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<p>Fetches a single translation line from the already loaded language files,
|
||
based on the line’s name.</p>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
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|
||
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|
||
|
||
|
||
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|
||
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|
||
|
||
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|
||
<p>
|
||
© Copyright 2014 - 2019, British Columbia Institute of Technology.
|
||
Last updated on Sep 19, 2019.
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