Attention
TYPO3 v7 has reached its end-of-life November 30th, 2018 and is not maintained by the community anymore. Looking for a stable version? Use the version switch on the top left.
There is no further ELTS support. It is recommended that you upgrade your project and use a supported version of TYPO3.
Various examples¶
For a list of TYPO3 features, see the
This chapter presents some examples of how you can use the APIs of Core libraries. They are not meant to be exhaustive, ultimately the source code is the best documentation. These examples are here to get you started.
The Core itself along with its many system extensions provide another whole lot of examples.
Debugging¶
Before diving into the topic here are a few hints about debugging in TYPO3 CMS.
The TYPO3 Core provides a simple debug() (defined in
EXT:core/Classes/Core/GlobalDebugFunctions.php). It wraps around
\TYPO3\CMS\Core\Utility\DebugUtility::debug() and will output debug
information only if it matches a set of IP addresses (defined in
$GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask']).
For example, the following code:
debug($_COOKIE, 'cookie');
will produce such an output:
Typical TYPO3 debug output¶
Tip
The debug() function allows for adding your own debugging object.
Put an instance of your class in $GLOBALS['error'] and its debug()
method, receiving the same parameters as the original debug() function.
In general, look at class \TYPO3\CMS\Core\Utility\DebugUtility for useful
debugging tools.