initialize an array to 0 in laravel code example

Example 1: php initialize array

// Initialize Empty Array (PHP 5.4 and higher)
$myArray = [];

// Initialize Empty Array (Before PHP 5.4)
$myArray = array();

Example 2: declare empty array in php

$emptyArray = []; 
$emptyArray = array();
$emptyArray = (array) null;