3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_array($a) ? 'true' : 'false'; echo PHP_EOL; echo is_object($a) ? 'true' : 'false'; echo PHP_EOL; $a = null; echo is_array($a) ? 'true' : 'false'; echo PHP_EOL; echo is_object($a) ? 'true' : 'false';
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $a in /in/4qebX on line 3 false Warning: Undefined variable $a in /in/4qebX on line 5 false false false
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: a in /in/4qebX on line 3 false Notice: Undefined variable: a in /in/4qebX on line 5 false false false
Output for 7.3.32 - 7.3.33
false false false false
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.3
Notice: Undefined variable: a in /in/4qebX on line 3 false Notice: Undefined variable: a in /in/4qebX on line 5 false false false
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Undefined variable: a in /in/4qebX on line 3 false Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/4qebX on line 4 PHP_EOL Notice: Undefined variable: a in /in/4qebX on line 5 false Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/4qebX on line 6 PHP_EOLfalse Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/4qebX on line 9 PHP_EOLfalse
preferences:
283.19 ms | 402 KiB | 359 Q