- array_diff_assoc: documentation ( source)
- var_dump: documentation ( source)
<?php
$source_packages = array(
'one' => array ('param1' => 'First Parameter for One', 'param2' => 'Second Parameter for One'),
'two' => array ('param1' => 'First Parameter for Two', 'param2' => 'Second Parameter for Two')
);
$packages_from = $source_packages;
$packages_to = array('two' => $source_packages['two']);
$result_packages = array_diff_assoc($packages_from, $packages_to);
var_dump($result_packages); echo "<br />\n";