a == b bool(true)
a == c bool(true)
a == d bool(false)
a === b bool(false)
a === c bool(false)
a === d bool(false)
strcmp(a, b) int(-1)
strcmp(a, c) int(-1)
strcmp(a, d) int(1)
strcmp(d, a) int(-1)
strcasecmp(a, b) int(-53)
strcasecmp(a, c) int(-2)
strcasecmp(a, d) int(1)
strcasecmp(d, a) int(-1)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
a == b bool(true)
a == c bool(true)
a == d bool(false)
a === b bool(false)
a === c bool(false)
a === d bool(false)
strcmp(a, b) int(-1)
strcmp(a, c) int(-1)
strcmp(a, d) int(1)
strcmp(d, a) int(-1)
strcasecmp(a, b) int(-53)
strcasecmp(a, c) int(-2)
strcasecmp(a, d) int(1)
strcasecmp(d, a) int(-1)
a == b bool(true)
a == c bool(true)
a == d bool(false)
a === b bool(false)
a === c bool(false)
a === d bool(false)
strcmp(a, b) int(-1)
strcmp(a, c) int(-1)
strcmp(a, d) int(5)
strcmp(d, a) int(-5)
strcasecmp(a, b) int(-53)
strcasecmp(a, c) int(-2)
strcasecmp(a, d) int(5)
strcasecmp(d, a) int(-5)
a == b bool(true)
a == c bool(true)
a == d bool(false)
a === b bool(false)
a === c bool(false)
a === d bool(false)
strcmp(a, b) int(-53)
strcmp(a, c) int(-512)
strcmp(a, d) int(5)
strcmp(d, a) int(-5)
strcasecmp(a, b) int(-53)
strcasecmp(a, c) int(-2)
strcasecmp(a, d) int(5)
strcasecmp(d, a) int(-5)