php ordenar matriz de objetos por ejemplo de código de propiedad

Ejemplo: php ordenar matriz por valor de objeto

/**
 * A generic PHP sorting algorithm that uses `usort` and `strcmp`.
 * `usort` — Sort an array by values using a user-defined comparison function.
 * `strcmp` — Returns < 0 if param 1 is less than param 2; > 0 if param 1 is greater than param 2, and 0 if they are equal.
 */
$questions = [
  { id: 1, ordinal: 55 },
  { id: 2, ordinal: 67 },
  { id: 3, ordinal: 32 },
];

function sortByOrdinal($param1, $param2) {
    return strcmp($param1->ordinal, $param2->ordinal);
}

/* `usort` alters an existing array. */
usort($questions, "sortByOrdinal");

/**
 * $questions = [
 *   { id: 3, ordinal: 32 },
 *   { id: 1, ordinal: 55 },
 *   { id: 2, ordinal: 67 },
 * ];
 */

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