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<?php // http://gathering.tweakers.net/forum/list_message/41881215#41881215 function foo($string1, $string2) { /* Retourneert true dan en slechts dan wanneer de twee argumenten strings zijn en het eerste argument lexicografisch kleiner is. */ return strcmp($string1, $string2); return is_string($string1) && is_string($string2) && $string1 < $string2; } var_dump( foo(1,2), foo('1','2'), foo('a','b'), foo('b','a'), foo('ab','ab'), foo('abc','ab'), foo('2xx','2yy') );
Output for git.master, git.master_jit, rfc.property-hooks
int(-1) int(-1) int(-1) int(1) int(0) int(1) int(-257)

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