Online PHP editor | output for 1q9O0

<?php class ValueException extends Exception { /* You should have something like this already */ } function buildColumnFilter($colnum, $value) { return function($row) use ($colnum, $value) { return isset($row[$colnum]) && $row[$colnum] === $value; }; } function findColNumByName($table, $name) { if (!in_array($name, $table[0])) { throw new ValueException($name); } return array_search($name, $table[0]); } $triggers = array( array('description', 'triggerid'), array('Issue here', 2), array('Issue 3 here', 3), array('Issue 4 here', 4), ); $events = array( array('hostname', 'objectid'), array('john', 2), array('mike', 3), array('mike', 4), ); var_dump(array_filter($triggers, buildColumnFilter(findColNumByName($triggers, 'triggerid'), 2))); var_dump(array_filter($events, buildColumnFilter(findColNumByName($events, 'objectid'), 2)));