Intersect arrays with additional index check, compares data by a callback function in PHP
Description
The following code shows how to intersect arrays with additional index check, compares data by a callback function.
Example
<?php// w w w . j a va 2 s. c o m
function myfunction($a,$b){
if ($a===$b){
return 0;
}
return ($a>$b)?1:-1;
}
$a1=array("a"=>"red","b"=>"green","c"=>"blue");
$a2=array("a"=>"red","b"=>"Blue","c"=>"green");
$result=array_uintersect_assoc($a1,$a2,"myfunction");
print_r($result);
?>
The code above generates the following result.
