3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo pow(2,53)-1; echo "\n",PHP_INT_MAX; echo "\n",dechex(PHP_INT_MAX);
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.0
9007199254740991 9223372036854775807 7fffffffffffffff
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
9007199254740991 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/l0ZpC on line 5 PHP_INT_MAX Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/l0ZpC on line 7 0