- print_r: documentation ( source)
- array_diff: documentation ( source)
<?php
$ar_val= array ("0" => "134567", "1" => "dogs", "2" => "food", "3" => "EEUU");
$ar_url= array ("0" => "134567", "1" => "food", "2" => "dogs", "3" => "EEUU");
$result = array_diff($ar_val, $ar_url);
$num = 0;
if ($result != NULL) {
echo "unique array keys: TRUE" . "\n\n";
print_r($result);
echo "\n\n";
} else {
echo "unique array keys: FALSE" . "\n\n";
}
foreach($ar_val as $key) {
if ($ar_val[$num] != $ar_url[$num]) {
echo "intersecting array key different: TRUE" . "\n> ";
print_r($ar_val[$num]);
echo "\n\n";
}
$num++;
}
?>