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@ 2014-11-02T20:47:22Z

<?php
class Foo {
    function __construct()
    {
        $this->bar = new Bar($this);
    }
}

class Bar {
    function __construct($foo = null)
    {
        $this->foo = $foo;
    }
}

for($i=0;$i<50000;$i++) {
    $foo = new Foo();
    unset($foo);
    echo number_format(memory_get_usage()) . "\n";
}

Output
Performance
VLD
References
Branches

memory_get_usage: documentation ( source)
number_format: documentation ( source)

preferences:dark modelive preview

30.36 ms | 402 KiB | 5 Q