Online PHP editor | refs for RuTrT

<?php $data = array( array( 'keywordid' => 98, 'keyword' => 'sample keyword 34', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 99, 'keyword' => 'sample keyword 35', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 100, 'keyword' => 'sample keyword 36', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 97, 'keyword' => 'sample keyword 37', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 96, 'keyword' => 'sample keyword 38', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 95, 'keyword' => 'sample keyword 39', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 94, 'keyword' => 'sample keyword 40', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 93, 'keyword' => 'sample keyword 41', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 92, 'keyword' => 'sample keyword 42', 'type' => 'NATURAL', 'longname' => 'UK' ), array( 'keywordid' => 91, 'keyword' => 'sample keyword 43', 'type' => 'NATURAL', 'longname' => 'UK' ) ); echo '<h1>Unordered Array</h1><pre>'; print_r($data); echo '</pre>'; $order = array(-1, 100, 91, 95); echo '<h1>Order Array</h1><pre>'; print_r($order); echo '</pre>'; usort($data, function($a, $b) use($order) { $k1 = array_search($a['keywordid'], $order); $k2 = array_search($b['keywordid'], $order); if ($k1 == $k2) { return 0; } return ($k1 > $k2) ? -1 : 1; }); echo '<h1>Ordered Array</h1><pre>'; print_r($data); echo '</pre>'; ?>