3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo PHP_INT_SIZE,"\n"; echo PHP_INT_MAX,"\n"; var_dump(0xffffffffffffffff); printf("%u\n",0xffffffffffffffff); printf("%d",0xffffffffffffffff);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
8 9223372036854775807 float(1.8446744073709552E+19) 0 0
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 9223372036854775807 float(1.844674407371E+19) 0 0
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.1, 5.0.3 - 5.0.4
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/kWd97 on line 2 PHP_INT_SIZE Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/kWd97 on line 3 PHP_INT_MAX float(1.844674407371E+19) 0 0
Output for 5.0.2
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/kWd97 on line 2 PHP_INT_SIZE Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/kWd97 on line 3 PHP_INT_MAX float(1.844674407371E+19) 4294967295 9223372036854775807

preferences:
270.46 ms | 402 KiB | 461 Q