3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $array = array( "action" => """foo""", "class" => """bar""" ); print_r($array);
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '"foo"' (T_CONSTANT_ENCAPSED_STRING), expecting ')' in /in/Bbbhl on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/Bbbhl on line 6
Process exited with code 255.
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