- var_dump: documentation ( source)
- array_flip: documentation ( source)
- array_uintersect_assoc: documentation ( source)
<?php
$a = [
'en1' => [
'wsdl' => 'a',
'weight' => 1
],
'en2' => [
'wsdl' => 'b',
'weight' => 2
]
];
$b = array_flip(['en2']);
var_dump(array_uintersect_assoc($a, $b));