array_push function in php code example

Example 1: array push php

<?php

$a=array("red","green");

array_push($a,"blue","yellow");

print_r($a);
?>

Example 2: array push in php

$cart = array();
$cart[] = 13;
$cart[] = 14;
// etc

//Above is correct. but below one is for further understanding
$cart = array();
for($i=0;$i<=5;$i++){
    $cart[] = $i;  
}
echo "<pre>";
print_r($cart);
echo "</pre>";