1--TEST-- 2Bug #40509 (key() function changed behaviour if global array is used within function) 3--FILE-- 4<?php 5function foo() 6{ 7 global $arr; 8 9 $c = $arr["v"]; 10 foreach ($c as $v) {} 11} 12 13$arr["v"] = array("a"); 14 15var_dump(key($arr["v"])); 16foo(); 17var_dump(key($arr["v"])); 18foreach ($arr["v"] as $k => $v) { 19 var_dump($k); 20} 21var_dump(key($arr["v"])); 22--EXPECT-- 23int(0) 24int(0) 25int(0) 26NULL 27
