You must sort in alphabetical order by the value of [FIO] several associative two-dimensional arrays
Array ( [0] => Array ( [id] => 180 [id_day] => 3 [id_shift] => 1 [pupil_id] => 99 [code_change] => 1 [FIO] => Солдатов Ваня [phone] => ## [FIO_parent] => ## [age] => ### [id_teacher] => 1 [name_teacher] => Наталья [tax] => 250 [new_tax] => ) [1] => Array ( [id] => 12 [id_day] => 3 [id_shift] => 1 [pupil_id] => 7 [code_change] => 1 [FIO] => Ерослаева Кира [phone] => ## [FIO_parent] => ## [age] => ### [id_teacher] => 1 [name_teacher] => Наталья [tax] => 250 [new_tax] => ) [2] => Array ( [id] => 6 [id_day] => 3 [id_shift] => 1 [pupil_id] => 4 [code_change] => 1 [FIO] => Теплова Саша [phone] => ## [FIO_parent] => ## [age] => ### [id_teacher] => 1 [name_teacher] => Наталья [tax] => 250 [new_tax] => ) ) Array ( [0] => Array ( [id] => 701 [id_day] => 3 [id_shift] => 2 [pupil_id] => 311 [code_change] => 1 [FIO] => Трофимов Захар [phone] => [FIO_parent] => [age] => [id_teacher] => 6 [name_teacher] => Мери Хачатрян [tax] => 200 [new_tax] => ) [1] => Array ( [id] => 463 [id_day] => 3 [id_shift] => 2 [pupil_id] => 232 [code_change] => 1 [FIO] => Сибгатулин Роберт [phone] => ирпо [FIO_parent] => тол [age] => ьлд [id_teacher] => 7 [name_teacher] => Елена Лебедева [tax] => 250 [new_tax] => ) [2] => Array ( [id] => 461 [id_day] => 3 [id_shift] => 2 [pupil_id] => 231 [code_change] => 1 [FIO] => Елисеев Гриша [phone] => иро [FIO_parent] => тол [age] => ьол [id_teacher] => 7 [name_teacher] => Елена Лебедева [tax] => 250 [new_tax] => ) )
uasort(),uksort(),usort()your choice. Choose the most suitable for your task - ArchDemon