php-src/Zend/tests/bug40809.phpt

34 lines
566 B
PHP

--TEST--
Bug #40809 (Poor performance of ".=")
--FILE--
<?php
error_reporting(E_ALL|E_STRICT);
$num_increments = 100;
$num_repeats = 1000;
$increment = 50;
/* Create some more holes to give the memory allocator something to
* work with. */
$num = 5000;
$a = Array();
for ($i=0; $i<$num; $i++) {
$a[$i] = Array(1);
}
for ($i=0; $i<$num; $i++) {
$b[$i] = $a[$i][0];
}
unset($a);
for ($i=0;$i<$num_repeats;$i++) {
$evil = "";
for ($j=0;$j<$num_increments;$j++) {
$evil .= str_repeat("a", $increment);
}
unset($evil);
}
echo "ok\n";
?>
--EXPECT--
ok