- print_r: documentation ( source)
<?php
class MyArray
{
private $arrayRef;
function __construct(&$array){
$this->arrayRef =& $array;
}
function addElement($newElement){
$this->arrayRef[] = $newElement;
}
function print(){
print_r($this->arrayRef);
}
}
$array = ['first', 'second'];
$arrayObject = new MyArray($array);
$arrayObject->addElement('treci');
print_r($array); // prints array containing 2 elements
echo '<br/>';
$arrayObject->print(); // prints array containing 3 elements