1--TEST-- 2Bug #72685: Same string is UTF-8 validated repeatedly 3--SKIPIF-- 4<?php 5if (getenv('SKIP_PERF_SENSITIVE')) die("skip performance sensitive test"); 6?> 7--FILE-- 8<?php 9 10$input_size = 64 * 1024; 11$str = str_repeat('a', $input_size); 12 13$start = microtime(true); 14$pos = 0; 15while (preg_match('/\G\w/u', $str, $m, 0, $pos)) ++$pos; 16$end = microtime(true); 17var_dump(($end - $start) < 0.5); // large margin, more like 0.05 in debug build 18 19?> 20--EXPECT-- 21bool(true) 22
