tt_reorder_multiarray_by_numeric_subvalue

utiles_cortos.php

<?php
// tt_reorder_multiarray_by_numeric_subvalue
function tt_reorder_multiarray_by_numeric_subvalue($matriz, $subkey){
	function cmp($key) {
		return function($a, $b) use ($key){
			$an = intval($a[ $key ]);
			$bn = intval($b[ $key ]);
			if($an==$bn){
				return 0;
			}
			// para ordenar de mayor a menor 
			return ($an<$bn) ? -1 : 1;
		};
	}
	usort($matriz, cmp($subkey));
	return $matriz;
}
// ejemplo de uso
$arr = array(
	array('nro'=>'5', 'url'=>'5.com'),
	array('nro'=>'8', 'url'=>'8.com'),
	array('nro'=>'1', 'url'=>'1.com')
);
var_dump(tt_reorder_multiarray_by_numeric_subvalue($arr, 'nro')); exit();

/**
 * Funcion para obtener ano/mes de los posts para options de un select
 * @return array Array de objetos con propiedades 'ano, mes, cantidad'
 */
function tt_anos_meses_para_select($post_type = 'post', $post_status = array('publish')) {
	global $wpdb;
	$post_status = array_map(function ($v) { return "'$v'"; }, $post_status);
	$post_status = implode(', ', $post_status);
	$query = "SELECT YEAR(post_date) AS 'ano', MONTH(post_date) AS 'mes', COUNT(ID) AS 'cantidad'
		FROM {$wpdb->posts}
		WHERE post_type LIKE '{$post_type}' AND post_status IN ({$post_status})
		GROUP BY YEAR(post_date), MONTH(post_date)
		ORDER BY YEAR(post_date) DESC, MONTH(post_date) DESC";
	return $wpdb->get_results($query);
}