1--TEST-- 2Bug #40809 (Poor performance of ".=") 3--FILE-- 4<?php 5error_reporting(E_ALL|E_STRICT); 6 7$num_increments = 100; 8$num_repeats = 1000; 9$increment = 50; 10 11/* Create some more holes to give the memory allocator something to 12 * work with. */ 13$num = 5000; 14$a = Array(); 15for ($i=0; $i<$num; $i++) { 16 $a[$i] = Array(1); 17} 18for ($i=0; $i<$num; $i++) { 19 $b[$i] = $a[$i][0]; 20} 21unset($a); 22 23for ($i=0;$i<$num_repeats;$i++) { 24 $evil = ""; 25 for ($j=0;$j<$num_increments;$j++) { 26 $evil .= str_repeat("a", $increment); 27 } 28 unset($evil); 29} 30echo "ok\n"; 31?> 32--EXPECT-- 33ok 34