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php 5.4.3+patches

--TEST--
Bug #55871 (Interruption in substr_replace())
--FILE--
<?php
class test1 {
	public function __toString() {
		preg_match('//', '', $GLOBALS['my_var']);
		return '';
	}
}

class test2 {
        public function __toString() {
		$GLOBALS['my_var'] += 0x08048000;
                return '';
        }
}

class test3 {
        public function __toString() {                
                $GLOBALS['my_var'] .= "AAAAAAAA";
                return '';
        }
}

$my_var = str_repeat('A', 40);
$out = substr_replace(array(&$my_var), array(new test1), 40, 0);
var_dump($out);
$my_var = str_repeat('A', 40);
$out = substr_replace(array(&$my_var), array(new test2), 40, 0);
var_dump($out);
$my_var = str_repeat('A', 40);
$out = substr_replace(array(&$my_var), array(new test3), 40, 0);
var_dump($out);
--EXPECTF--

Warning: substr_replace(): Argument was modified while replacing in %s on line %d
array(0) {
}

Warning: substr_replace(): Argument was modified while replacing in %s on line %d
array(0) {
}

Warning: substr_replace(): Argument was modified while replacing in %s on line %d
array(0) {
}