1--TEST-- 2Bug #44925 (preg_grep() modifies input array) 3--FILE-- 4<?php 5$str1 = 'a'; 6$str2 = 'b'; 7 8$array=Array("1",2,3,1.1,FALSE,NULL,Array(), $str1, &$str2); 9 10var_dump($array); 11 12var_dump(preg_grep('/do not match/',$array)); 13 14$a = preg_grep('/./',$array); 15var_dump($a); 16 17$str1 = 'x'; 18$str2 = 'y'; 19 20var_dump($a); // check if array is still ok 21 22var_dump($array); 23 24?> 25--EXPECTF-- 26array(9) { 27 [0]=> 28 string(1) "1" 29 [1]=> 30 int(2) 31 [2]=> 32 int(3) 33 [3]=> 34 float(1.1) 35 [4]=> 36 bool(false) 37 [5]=> 38 NULL 39 [6]=> 40 array(0) { 41 } 42 [7]=> 43 string(1) "a" 44 [8]=> 45 &string(1) "b" 46} 47 48Notice: Array to string conversion in %sbug44925.php on line 9 49array(0) { 50} 51 52Notice: Array to string conversion in %sbug44925.php on line 11 53array(7) { 54 [0]=> 55 string(1) "1" 56 [1]=> 57 int(2) 58 [2]=> 59 int(3) 60 [3]=> 61 float(1.1) 62 [6]=> 63 array(0) { 64 } 65 [7]=> 66 string(1) "a" 67 [8]=> 68 &string(1) "b" 69} 70array(7) { 71 [0]=> 72 string(1) "1" 73 [1]=> 74 int(2) 75 [2]=> 76 int(3) 77 [3]=> 78 float(1.1) 79 [6]=> 80 array(0) { 81 } 82 [7]=> 83 string(1) "a" 84 [8]=> 85 &string(1) "y" 86} 87array(9) { 88 [0]=> 89 string(1) "1" 90 [1]=> 91 int(2) 92 [2]=> 93 int(3) 94 [3]=> 95 float(1.1) 96 [4]=> 97 bool(false) 98 [5]=> 99 NULL 100 [6]=> 101 array(0) { 102 } 103 [7]=> 104 string(1) "a" 105 [8]=> 106 &string(1) "y" 107} 108