<?php function test($str) { test2($str); } function test2($str) { test3($str); } function test3($str) { echo "before: ".round(memory_get_usage()/1024/1024, 2)." MB\n"; $t = microtime(true); debug_backtrace(false); echo "time: ".(microtime(true)-$t)." ms\n"; echo "after: ".round(memory_get_usage()/1024/1024, 2)." MB\n"; } test(str_repeat('a', 10000000));
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