3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(ticks=1); function tick_handler() { echo "tick_handler() called\n"; } register_tick_function('tick_handler');
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '{' in /in/Qe1tW on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/Qe1tW on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Qe1tW on line 5
Process exited with code 255.
preferences:
214.05 ms | 1395 KiB | 121 Q