How to check two php arrays have one equal value -

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i have very simple question , not found 1 in stack.

we have array :

array("1","2","3","4");

and

array("a","b","1","c");

the second array, have 1 value of first 1 , want have function checks 2 array , return true , if , there 1 or more 1 equal value in 2 arrays.

how can ?

like :

if(have_equal($array1,$array2)) { return true; }

you may try this:

if(array_intersect($array1, $array2)) {    return true; } else {      return false; }

array_intersect() returns array containing values of array1 present in arguments. note keys preserved.

O9