3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare( ticks = 1 ); function tick_handler () { echo "tick_handler() выполнено <br>" . PHP_EOL; } register_tick_function( 'tick_handler' );
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.2.0
tick_handler() выполнено <br>
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/Uveev on line 6 tick_handler() выполнено <br>PHP_EOL