3v4l.org

run code in 300+ PHP versions simultaneously
<?php $match = preg_replace(['/\d/', '/a/'], '_' 'add1'); print_r($match);
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ''add1'' (T_CONSTANT_ENCAPSED_STRING) in /in/aidvO on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/aidvO on line 2
Process exited with code 255.
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