3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = function($v, $k, $i) { return false === substr($v, 'Exception'); }; var_dump(new CallbackFilterIterator(new ArrayIterator(get_declared_classes()),$f));
Output for 5.4.0 - 7.2.0
object(CallbackFilterIterator)#2 (0) { }
Output for 5.3.0 - 5.3.29
Fatal error: Class 'CallbackFilterIterator' not found in /in/XHjSL on line 6
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/XHjSL on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/XHjSL</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/XHjSL</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/XHjSL</b> on line <b>3</b><br />
Process exited with code 255.