#! /usr/local/bin/php dec: 0 decbin(): 0 padded: 0000000000000000000000000000000000000000000000000000000000000000 printf: 0000000000000000000000000000000000000000000000000000000000000000 dec: 1 decbin(): 1 padded: 0000000000000000000000000000000000000000000000000000000000000001 printf: 0000000000000000000000000000000000000000000000000000000000000001 dec: 2 decbin(): 10 padded: 0000000000000000000000000000000000000000000000000000000000000010 printf: 0000000000000000000000000000000000000000000000000000000000001010 --- dec: 9223372036854775806 decbin(): 111111111111111111111111111111111111111111111111111111111111110 padded: 0111111111111111111111111111111111111111111111111111111111111110 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: PHP_INT_MAX - 1 dec: 9223372036854775807 decbin(): 111111111111111111111111111111111111111111111111111111111111111 padded: 0111111111111111111111111111111111111111111111111111111111111111 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: PHP_INT_MAX --- dec: 9223372036854775808 decbin(): 1000000000000000000000000000000000000000000000000000000000000000 padded: 1000000000000000000000000000000000000000000000000000000000000000 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: PHP_INT_MAX + 1 dec: -9223372036854775808 decbin(): 1000000000000000000000000000000000000000000000000000000000000000 padded: 1000000000000000000000000000000000000000000000000000000000000000 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: ~PHP_INT_MAX --- dec: 9223372036854775808 decbin(): 1000000000000000000000000000000000000000000000000000000000000000 padded: 1000000000000000000000000000000000000000000000000000000000000000 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: PHP_INT_MAX + 2 dec: -9223372036854775807 decbin(): 1000000000000000000000000000000000000000000000000000000000000001 padded: 1000000000000000000000000000000000000000000000000000000000000001 printf: 0111111111111111111111111111111111111111111111111111111111111111 NOTE: ~PHP_INT_MAX + 1 --- dec: 18446744073709551616 decbin(): 0 padded: 0000000000000000000000000000000000000000000000000000000000000000 printf: 0000000000000000000000000000000000000000000000000000000000000000 NOTE: unsigned max - 1 dec: -2 decbin(): 1111111111111111111111111111111111111111111111111111111111111110 padded: 1111111111111111111111111111111111111111111111111111111111111110 printf: 0111111111111111111111111111111111111111111111111111111111111111 --- dec: 18446744073709551616 decbin(): 0 padded: 0000000000000000000000000000000000000000000000000000000000000000 printf: 0000000000000000000000000000000000000000000000000000000000000000 NOTE: unsigned max dec: -1 decbin(): 1111111111111111111111111111111111111111111111111111111111111111 padded: 1111111111111111111111111111111111111111111111111111111111111111 printf: 0111111111111111111111111111111111111111111111111111111111111111 ---