Array Manipulation - Add data

<?php
$dataHari = ['Senin','Selasa','Kamis','Jumat'];

# Menambah data di akhir
array_push($dataHari, "Sabtu");

# Menambah data (ditengah by indeks)
array_splice($dataHari, 2, 0, "Rabu");

# Menambah data (diawal)
array_unshift($dataHari, "Minggu");

print_r($dataHari);