3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo exec('ls); ?>
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected ''ls);' (T_ENCAPSED_AND_WHITESPACE), expecting ')' in /in/M43Po on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting ')' in /in/M43Po on line 2
Process exited with code 255.
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