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<?php function foo() { bar(); } function bar() { baz(); } function baz() { boom(); } function boom() { return false; } function test($n) { for ($i = 0; $i < $n; $i++) { foo(); } } $n = 1000000; $t = microtime(true); test($n); echo (microtime(true) - $t)*1000000/$n . ' us/iteration';
Output for git.master
0.094641923904419 us/iteration

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