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<?php function doSmth(array &$array, int $memory) { printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); $array[0] = 0; printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); foreach ($array as $i => &$value) { $array[$i] ++; printf('memory: %s, i: %s%s', memory_get_usage() - $memory, $i, PHP_EOL); break; } printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL); } $memory = memory_get_usage(); $array = range(0, 99); doSmth($array, $memory); printf('memory: %s%s', memory_get_usage() - $memory, PHP_EOL);
Output for git.master_jit, git.master, rfc.property-hooks
memory: 2648 memory: 2680 memory: 2712, i: 0 memory: 2712 memory: 2712

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