Debugger

A debugger is an extension or an external program that is used to help when searching for bugs in source code.

As there are many tactics to search for a bug, there are many tools available.

This includes

• PHP native functions such as var_dump(), print_r(), debug_backtrace()…

• external components like kint, whoops, krumo,

• Debuggers: Interactive PHP Debugger, xdebug, PHP debugger, etc.

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 and Quo.

Related : Debug, Integrated Environment of Development (IDE), var_dump(), print_r(), Backtrace, PHP Editor, PHP Profiler, Tool