How to split an string in php code example

Example 1: php split string along spaces

// Example 1
$pizza  = "piece1 piece2 piece3 piece4 piece5 piece6";
$pieces = explode(" ", $pizza);
echo $pieces[0]; // piece1
echo $pieces[1]; // piece2

Example 2: explode in php

$str = 'one two three four';
$numbers4 = explode(' ',$str);