3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "Unsigned and Signed:\n"; $offset = abs(~PHP_INT_MAX) + PHP_INT_MAX; printf("%f\n",$offset); printf("%d\n",~$offset); $offset = abs(~PHP_INT_MAX + 1) + PHP_INT_MAX; printf("%f\n",$offset); printf("%d\n",~$offset); $offset = abs(~PHP_INT_MAX + 2) + PHP_INT_MAX; printf("%f\n",$offset); printf("%d\n",~$offset); $offset = abs(-1) + PHP_INT_MAX; printf("%f\n",$offset); printf("%d\n",~$offset);
Output for 5.3.0 - 7.1.0
Unsigned and Signed: 18446744073709551616.000000 -1 18446744073709551616.000000 -1 18446744073709551616.000000 -1 9223372036854775808.000000 9223372036854775807
Output for 5.2.1 - 5.2.17
Unsigned and Signed: 18446744073709551616.000000 9223372036854775807 18446744073709551616.000000 9223372036854775807 18446744073709551616.000000 9223372036854775807 9223372036854775808.000000 9223372036854775807
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.2.0
Unsigned and Signed: 18446744073709552000.000000 9223372036854775807 18446744073709552000.000000 9223372036854775807 18446744073709552000.000000 9223372036854775807 9223372036854776000.000000 9223372036854775807
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Unsigned and Signed: Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 3 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 3 0.000000 -1 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 7 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 7 1.000000 -2 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 11 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 11 2.000000 -3 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/oMoBN on line 16 1.000000 -2