objects pass by reference examples.php

objects pass by reference examples.php

<?php
//---TEST1----------------------------------------------------
function objectTest(stdClass $input) {
  $input->name = "Sally";
}
$object = new stdClass;
$object->name = "Bob";
$object->address = "1 Test Street";
objectTest($object);
echo $object->name; //Sally
echo $object->address; //1 Test Street
//---TEST2----------------------------------------------------
function scalarTest(array $input) {
    $input["name"] = "Sally";
}
$scalar = array();
$scalar["name"] = "Bob";
$scalar["address"] = "1 Test Street";
scalarTest($scalar);
echo $scalar["name"]; //Bob
echo $scalar["address"]; //1 Test Street
//---TEST3----------------------------------------------------
function objectScalarTest(array $input) {
    $object2 = new StdClass; 
    $input[2] = $object2;
    $object2->name = "Jeremy";
    $object2->address = "123 Example Place";
    echo $input[2]->name; //Jeremy
  
    $input[1]->name = "Sally";
}
$scalar = array();
$object1 = new stdClass;
$object1->name = "Bob";
$object1->address = "1 Test Street";
$scalar[1] = $object1;
echo count($scalar); //1
objectScalarTest($scalar);
echo count($scalar); //1
echo $scalar[1]->name; //Sally