3v4l.org

run code in 300+ PHP versions simultaneously
<?php function to_int32($value) { $intval = hexdec($value); // If 64 bit if (PHP_INT_SIZE === 8) { return ($intval ^ 0x800000000); } // 32 bit return $intval; } echo to_int32('c0f672d4'); echo to_int32('83f6234');
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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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
3759711509234498110004
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/nZt94 on line 7 3237376724 Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/nZt94 on line 7 138371636

preferences:
275.98 ms | 402 KiB | 425 Q