Debugger¶
A debugger is an extension or an external program that is used to help when searching for bugs in PHP code.
There are several debuggers in PHP : Interactive PHP Debugger, xdebug, kint, krumo, whoops, PHP.
Debugging include executing the code step by step, displaying and modifying the content of variables.
<?php
// simple debug system with native PHP print_r
print_r($_GET);
?>
See also Xdebug, Interactive PHP Debugger, Kint, Whoops, Krumo