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run code in 300+ PHP versions simultaneously
<?php @eval('!'); # simulate loading a file with a syntax error $_REQUEST['xyz'] = 'pdq'; # even values written after the syntax error will be lost eval('$_REQUEST;'); # later, load a file containing $_REQUEST, causing it to be repopulated var_dump($_REQUEST); # the changes made to $_REQUEST are now lost
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Parse error: syntax error, unexpected end of file in /in/OGWRk(3) : eval()'d code on line 1
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
array(1) { ["xyz"]=> string(3) "pdq" }
preferences:
257.45 ms | 402 KiB | 330 Q