How to check two php arrays have one equal value -

this question has answer here:

• is there way common values between 2 arrays in php? 2 answers

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; } 

check array_intersect

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