3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(substr_compare("abcde", "BC", 1, null, false));
based on 8Kird
Output for 5.0.0 - 5.1.2, 7.0.11 - 7.1.0
int(32)
Output for 5.5.11 - 5.6.28, 7.0.0 - 7.0.10
int(0)
Output for hhvm-3.12.0 - 3.13.2
Warning: substr_compare() expects parameter 4 to be integer, null given in /in/9CgWZ on line 2 NULL
Output for hhvm-3.10.0
Warning: The length must be greater than zero in /in/9CgWZ on line 2 bool(false)
Output for 5.1.3 - 5.5.10
Warning: substr_compare(): The length must be greater than zero in /in/9CgWZ on line 2 bool(false)
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: substr_compare() in /in/9CgWZ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: substr_compare() in /in/9CgWZ on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: substr_compare() in /in/9CgWZ on line 2