Joomla is committed to progressively making the source code E_STRICT. E_STRICT Compatible PHP CodeĪs of Joomla version 1.6 and for all versions of the Joomla Platform, adhering to object oriented programming practice as supported by PHP 5.3+ is required. You should not enclose the filename in parentheses. Include_once and require_once are PHP language statements, not functions. A file included with require_once will not be included again by include_once. They share the same file list, so you don't need to worry about mixing them. Either of these will ensure that files are included only once. Anywhere you are conditionally including a file (for example, factory methods), use include_once.
Including CodeĪnywhere you are unconditionally including a file, use require_once. The PHP constants true, false, and null MUST be in lower case. Pursuant to PSR-2 Keywords and True/False/Null
#Php language meaning manual
Leaving this out prevents trailing white space from being accidentally injected into the output that can introduce errors in the Joomla session (see the PHP manual on Instruction separation).įiles should always end with a blank new line. This is the most portable way to include PHP code on differing operating systems and setups.įor files that contain only PHP code, the closing tag ( ?>) should not be included. This document applies to Joomla! to delimit PHP code, not the shorthand. The Joomla! CMS switched in Version 4.2.0 from its own coding standard to the PSR-12 (and later to PER Coding Style) coding standard.
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