3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "On first glance, the following appears to output 'true' "; print_r(substr($string, "true"););
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.15
Parse error: syntax error, unexpected ';' in /in/rbnnW on line 5
Process exited with code 255.
preferences:
163.37 ms | 1395 KiB | 22 Q