3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "Unsigned and Signed:<BR>"; $offset = abs(~PHP_INT_MAX) + PHP_INT_MAX; printf("%u\n",$offset); printf("%d\n",~$offset+1); $offset = abs(~PHP_INT_MAX + 1) + PHP_INT_MAX; printf("%u\n",$offset); printf("%d\n",$offset); $offset = abs(~PHP_INT_MAX + 2) + PHP_INT_MAX; printf("%u\n",$offset); printf("%d\n",$offset); $offset = abs(-1) + PHP_INT_MAX; printf("%u\n",$offset); printf("%d\n",$offset);
Output for 5.3.0 - 7.1.0
Unsigned and Signed:<BR>0 0 0 0 0 0 9223372036854775808 -9223372036854775808
Output for 5.2.4 - 5.2.17
Unsigned and Signed:<BR>0 -9223372036854775808 0 0 0 0 9223372036854775808 -9223372036854775808
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.2.3
Unsigned and Signed:<BR>0 -9223372036854775808 0 0 0 0 0 -9223372036854775808
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Unsigned and Signed:<BR> Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 3 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 3 0 0 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 7 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 7 1 1 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 11 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 11 2 2 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/sLFC7 on line 16 1 1