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<?php echo "Unsigned and Signed:<BR>"; $offset = abs(~PHP_INT_MAX) + PHP_INT_MAX; printf("%f\n",$offset); printf("%d\n",~$offset+1); $offset = abs(~PHP_INT_MAX + 1) + PHP_INT_MAX; printf("%f\n",$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 git.master, git.master_jit, rfc.property-hooks
Unsigned and Signed:<BR>18446744073709551616.000000 Deprecated: Implicit conversion from float 1.8446744073709552E+19 to int loses precision in /in/Ml9V4 on line 5 0 18446744073709551616.000000 0 18446744073709551616.000000 0 9223372036854775808.000000 -9223372036854775808

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