- var_dump: documentation ( source)
<?php
class Foo
{
public function & bar()
{
return $this->var = $var = $this->baz();
}
public function baz()
{
return 'hello';
}
}
$foo = new Foo();
$var = $foo->bar();
var_dump($var);
$var = & $foo->bar();
var_dump($var);
var_dump($foo->baz());