rogervila/array-diff-example.php

## array-diff-example.php
<?php

$a = [
    'a' => 'Hello',
    'c' => 'd',
];

$b = [
    'a' => 'Goodbye',
    'c' => 'd',
];

$result = array_diff($a, $b);

var_dump($result);

/*
$result content:

array(1) {
  ["a"]=>
  string(5) "Hello"
}
*/
	<?php

	$a = [
	'a' => 'Hello',
	'c' => 'd',
	];

	$b = [
	'a' => 'Goodbye',
	'c' => 'd',
	];

	$result = array_diff($a, $b);

	var_dump($result);

	/*
	$result content:

	array(1) {
	["a"]=>
	string(5) "Hello"
	}
	*/