3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = (float) (PHP_INT_MAX ); $foo *= 2; if ($foo == 1.844674407371E+19) { echo "true"; } else { echo "$foo != 1.844674407371E+19"; $string = (string)$foo; $expectedString = "1.844674407371E+19"; if (strcmp($expectedString, $string) === 0) { echo "\npresentation is the same."; } }
Output for 4.4.0 - 4.4.9, 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1.844674407371E+19 != 1.844674407371E+19 presentation is the same.
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/onO1l on line 3 0 != 1.844674407371E+19

preferences:
335.86 ms | 402 KiB | 464 Q