algorithm - Array diff implementation in PHP -


does know of array diff implementation in php? need use develop feature similar way stackexchange diffs tags.

like documentation says:

compares array1 against 1 or more other arrays , returns values in array1 not present in of other arrays.

for example:

 $array1 = array("a" => "green", "red", "blue", "red");  $array2 = array("b" => "green", "yellow", "red");  $result = array_diff($array1, $array2);

would end $result containing value blue, because in 1 of arrays.

complete documentation here: http://php.net/manual/en/function.array-diff.php


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