Sort an associative PHP array by HTML content, keeping array indexes (also sort one array by another)

sort_array_by_array.php

<?php
// sort a multidimensional array by value, stripping HTML, keeping array indexes, sorting by the contents of original HTML putting the HTML back

$options = array(
	1001   => "<a href='?post=590&amp;action=edit'>James Whistler</a>",
	1004   => '<a href="106">Francisco Toledo</a>',
	1002   => '<a href="103">Franco Marzilli</a>',
	1000   => '<a href="100">John Bashor</a>',
	1003   => '<a href="105">Daniel LaRue Johnson</a>',
	1006   => '<a href="108">Ray Kass</a>',
	1005   => '<a href="107">Jim Huntington</a>',
	1007   => '<a href="104">Charles Arnoldi</a>',
	'null' => '',

);

$options_sorted = array();
foreach($options as $k => $v) {
	$v = strip_tags($v);
	$options_sorted[$k] = $v;
}
asort($options_sorted);

function sort_by_array($a, $b) {
	global $options_sorted;
	return $options_sorted[$a] < $options_sorted[$b] ? -1 : 1;
}

uksort($options, 'sort_by_array');

var_dump($options);
var_dump($options_sorted);