Online PHP editor | output for 1Y0tj

@ 2014-06-24T19:11:09Z

<?php

class Collection extends ArrayObject {
    protected $iterator;

    public function getIterator() {
        // Well, this is a heavy object to make, let's memoize it
        if (!isset($this->iterator)) {
            $this->iterator = new ArrayIterator($this);
        }

        return $this->iterator;
    }
}

gc_enable();

foreach (range(1, 5000000) as $i) {

	$collection = new Collection([ 'foo', 'bar' ]);

	foreach ($collection as $item) {
    	echo memory_get_usage() . "\n";
	}	

	unset($collection);
}
echo "done\n";

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.24, 7.3.0 - 7.3.12: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 268435464 bytes) in /in/1Y0tj on line 18
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/1Y0tj on line 18
Process exited with code 255.
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[', expecting ')' in /in/1Y0tj on line 20
Process exited with code 255.

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