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Strict Standards: Non-static method Loader::package() should not be called statically in /home/sites/concretefive.co.uk/public_html/concrete/startup/packages.php on line 8

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Strict Standards: Non-static method User::checkUserForeverCookie() should not be called statically in /home/sites/concretefive.co.uk/public_html/concrete/startup/user.php on line 4

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Warning: Cannot modify header information - headers already sent by (output started at /home/sites/concretefive.co.uk/public_html/concrete/models/permissions.php:69) in /home/sites/concretefive.co.uk/public_html/concrete/libraries/view.php on line 841
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<link rel="stylesheet" type="text/css" href="/concrete/css/ccm.base.css?v=1f08513f6c1943814f2cabb9ae2eeaec" />
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            <a  href="/" title="Concrete Five">
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        </div><!-- #header-area ends -->
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Strict Standards: Declaration of SelectAttributeTypeController::exportValue() should be compatible with AttributeTypeController::exportValue(SimpleXMLElement $akv) in /home/sites/concretefive.co.uk/public_html/concrete/models/attribute/types/select/controller.php on line 506

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<ul class="sf-menu"><li><a href="/"  >Concrete5 UK</a></li><li><a href="/index.php/about/"  >About</a><ul><li><a href="/index.php/about/contact-us/"  >Contact Us</a></li><li><a href="/index.php/about/guestbook/"  >Guestbook</a></li><li><a href="/index.php/about/trial/"  >Trial</a></li><li><a href="/index.php/about/for-developers/"  >For Developers</a></li><li><a href="/index.php/about/for-agencies/"  >For Agencies</a></li><li><a href="/index.php/about/for-designers/"  >For Designers</a></li><li><a href="/index.php/about/for-anyone/"  >For Anyone</a></li><li><a href="/index.php/about/history/"  >History</a></li><li><a href="/index.php/about/c5-philosophy/"  >C5 Philosophy</a></li></ul></li><li><a href="/index.php/blog/"  >Blog</a><ul><li><a href="/index.php/blog/concrete5-news/"  >Concrete5 News</a></li><li><a href="/index.php/blog/philosophy-and-culture/"  >Philosophy & Culture</a></li><li><a href="/index.php/blog/open-source-and-strategy/"  >Open Source & Strategy</a></li><li><a href="/index.php/blog/add-on-releases/"  >Add-On Releases</a></li><li><a href="/index.php/blog/theme-releases/"  >Theme Releases</a></li><li><a href="/index.php/blog/totally-random-web-show/"  >Totally Random Show</a></li><li><a href="/index.php/blog/core-releases/"  >Core Releases</a></li><li><a href="/index.php/blog/hello-world/"  >Hello World</a></li></ul></li><li><a href="/index.php/showcase/"  >Showcase</a></li><li><a href="/index.php/developers/"  >Developers</a><ul><li><a href="/index.php/developers/download-concrete5/"  >Download Concrete5</a></li><li><a href="/index.php/developers/translate-concrete5/"  >Translate Concrete5</a></li><li><a href="/index.php/developers/submit-to-marketplace/"  >Submit to Marketplace</a></li><li><a href="/index.php/developers/code-submissions/"  >Code Submissions</a></li></ul></li><li><a href="/index.php/marketplace/"  >Marketplace</a><ul><li><a href="/index.php/marketplace/add-ons/"  >Add-Ons</a></li><li><a href="/index.php/marketplace/themes/"  >Themes</a></li><li><a href="/index.php/marketplace/add-on-installation/"  >Add-On Installation</a></li><li><a href="/index.php/marketplace/swag-and-goodies/"  >Swag & Goodies</a></li></ul></li><li class="nav-path-selected"><a class="nav-path-selected" href="/index.php/documentation/" >Documentation</a><ul><li><a href="/index.php/documentation/getting-started/"  >Getting Started</a></li><li><a href="/index.php/documentation/editors-guide/"  >Editors Guide</a></li><li class="nav-selected nav-path-selected"><a class="nav-selected nav-path-selected"  href="/index.php/documentation/developers-guide/">Developers Guide</a></li><li><a href="/index.php/documentation/how-tos/"  >How-Tos</a></li></ul></li><li><a href="/index.php/concrete5-org-forums/"  >Forums</a></li></ul>        <div class="clearboth">&nbsp;</div>
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<a href="/" >Concrete5 UK</a> <span class="ccm-autonav-breadcrumb-sep">&gt;</span> <a href="/index.php/documentation/" >Documentation</a> <span class="ccm-autonav-breadcrumb-sep">&gt;</span> Developers Guide            </div><!-- #breadcrumbs ends -->
                        	<h1>Developers Guide</h1>
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<p> </p>
<div id="docs_toc" class="container_12 clearfix">
<div class="grid_3 alpha">
<h2>Background</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/background/what-is-concrete5">What is concrete5?</a></li>
<li><a href="http://www.concrete5.org/documentation/background/system_requirements">System Requirements</a></li>
<li><a href="http://www.concrete5.org/documentation/background/license">License</a></li>
<li><a href="http://www.concrete5.org/documentation/background/version_history">Version History</a></li>
<li><a href="http://www.concrete5.org/documentation/background/abouthistory">Core Team</a></li>
</ul>
<h2>Installation</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/installation/installing_concrete5">Basic Setup</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/file-directory-permissions">File/Directory Permissions</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/upgrading_concrete">Upgrading concrete5</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/installing_c5_in_other_languages">Internationalization</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/hosts">Installing on Specific Hosts</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/moving_a_site">Moving a Site</a></li>
<li><a href="http://www.concrete5.org/documentation/installation/how_to_install_add_ons_and_themes_">Add-on Installation</a></li>
</ul>
<h2>Basics</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/general-topics/in-context-editing">In-Context Editing</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/add-a-page">Add a Page</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/add_a_survey">Add a Survey</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/add_a_form">Add a Form</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/add_an_auto-navigation">Add an Auto-Navigation</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/text-links">Add Text &amp; Links</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/site-tree">Site Tree</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/page-types">Page Types</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/how-a-page-looks">Page Design</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/blocks-and-areas">Blocks &amp; Areas</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/custom-templates">Custom Templates</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/scrapbooks">Stacks &amp; Defaults</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/versions">Versions</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/delete-a-page">Delete a Page</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/attributes">Attributes</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/page-properties">Page Properties</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/simple-permissions">Permissions</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/search">Search</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/file-manager">File Manager</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/user-management">User Management</a></li>
<li><a href="http://www.concrete5.org/documentation/general-topics/dashboard">Dashboard</a></li>
</ul>
</div>
<div class="grid_3">
<h2>Introduction</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/introduction/cms_features">CMS Features</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/framework_features">Framework Features</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/model-view-controller">Model-View-Controller</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/marketplace-add-ons-and-themes">Marketplace Add-Ons &amp; Themes</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/common-troubleshooting-techniques">Common Troubleshooting Techniques</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/terminology">Glossary</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/the-dispatcher-understanding-the-concrete-applic">Application Flow</a></li>
<li><a href="http://www.concrete5.org/documentation/introduction/cheat-sheet">Cheat Sheet</a></li>
</ul>
<h2>Pages</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/pages/overview">Overview</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/areas">Areas</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/page-types">Page Types</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/themes-2">Themes Standards</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/themes">Themes</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/configurable-theme-styles">Configurable Theme Styles</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/mvc-approach">MVC Approach</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/single-pages">Single Pages</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/pages/searching-and-filtering">Listing &amp; Searching</a></li>
</ul>
<h2>Blocks</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/overview">Overview</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/directory-setup">Directory Setup</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/mvc-approach">MVC Approach</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/understanding-and-building-blocks-in-concrete5">Creating a New Block Type</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/working-with-existing-blocks">Working With Existing Blocks</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/blocks/block-types">Block Types</a></li>
</ul>
<h2>Attributes</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/attributes/overview">Overview</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/attributes/categories">Categories</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/attributes/keys">Keys</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/attributes/types">Types</a></li>
</ul>
</div>
<div class="grid_3">
<h2>Files</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/files/overview">Overview</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/files-and-file-versions">Files And File Versions</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/importers">Adding Files</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/searching-and">Searching &amp; Filtering</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/grouping-files-with-sets">Grouping Files with Sets</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/helpers">Helper Functions</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/using-in-blocks-interfaces">Using in Blocks/Interfaces</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/files/metadata">Metadata, Viewing &amp; Editing</a></li>
</ul>
<h2>Forms</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/forms/standard-widgets">Standard Widgets</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/forms/concrete5-widgets">concrete5 Widgets</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/forms/basic-validation">Basic Validation</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/forms/banned-word-list">Banned Word List</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/forms/captcha">Captcha</a></li>
</ul>
<h2>Helpers</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/core-user-interface">Core User Interface</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/date-and-time">Date &amp; Time</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/encryption">Encryption</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/file-mime-types">File MIME Types</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/json">JSON</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/location-lists">Location Lists</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/numbers">Numbers</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/ratings">Ratings</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/rss-feeds">RSS Feeds</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/scrapbooks">Scrapbooks</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/mail">Sending Mail</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/spell-checking">Spell Checking</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/text">Text</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/urls">URLs</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/helpers/unique-string">Unique String Identifiers</a></li>
</ul>
</div>
<div class="grid_3 omega">
<h2>Permissions</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/users">Users</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/groups">Groups</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/user-search-filtering">User Search/Filtering</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/profile">Profile</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/content-permissions">Content Permissions</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/permissions/task-based-permissions">Task-based Permissions</a></li>
</ul>
<h2>System</h2>
<ul>
<li><a href="http://www.concrete5.org/documentation/developers/system/3rd-party-libraries">3rd Party Libraries</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/caching">Caching</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/coding-style-guidelines">Coding Style Guidelines</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/config-preference-data">Config/Preference Data</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/database-connectivity">Database Connectivity</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/directory-structure">Directory Structure</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/error-handling">Error Handling</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/events">Events</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/jobs">Jobs</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/loading-objects">Loading Objects</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/localization">Localization</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/logging">Logging</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/mail-importers">Mail Importers</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/packages">Packages</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/performance-and-optimization">Performance &amp; Optimization</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/request">Request</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/searching-sorting-paging">Search/Sort/Pagination</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/style-guide-for-5-5">Style Guide For 5.5</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/submitting-to-marketplace">Submitting to Marketplace</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/submit-theme">Submitting a Theme</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/system-notifications">System Notifications</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/archives">Zip Archives</a></li>
<li><a href="http://www.concrete5.org/documentation/developers/system/complete_api_reference">Complete API Reference</a></li>
</ul>
</div>
</div>
<p><a href="https://www.packtpub.com/concrete5-beginners-guide/book"><img src="http://www.concrete5.org/files/4013/0271/3387/c5book.png" alt="c5book.png" width="113" height="140" /></a></p>
<h2>Beginner Developer's Guide from Packt</h2>
<p>Are you already comfortable with PHP and just need a good developer focused beginner's guide? <a title="concrete5 book" href="https://www.packtpub.com/concrete5-beginners-guide/book">Check out this awesome book</a>from Packt Publishing on concrete5!</p>
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