<?php function myfunction($a,$b) { if ($a===$b) { return 0; } return ($a>$b)?1:-1; } $a1=array("a"=>"красный","b"=>"зеленый","c"=>"синий"); $a2=array("a"=>"красный","b"=>"синий","c"=>"зеленый"); $result=array_uintersect_assoc($a1,$a2,"myfunction"); print_r($result); ?>