3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('1234567'0,-4);
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '0' (T_LNUMBER), expecting ',' or ')' in /in/IESSV on line 2
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected '0' (T_LNUMBER) in /in/IESSV on line 2
Process exited with code 255.

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