1--TEST-- 2ZE2 iterators must be implemented 3--FILE-- 4<?php 5 6echo "1st try\n"; 7 8class c1 {} 9 10$obj = new c1(); 11 12foreach($obj as $w) { 13 echo "object:$w\n"; 14} 15 16echo "2nd try\n"; 17 18class c2 { 19 20 public $max = 3; 21 public $num = 0; 22 23 function current() { 24 echo __METHOD__ . "\n"; 25 return $this->num; 26 } 27 function next(): void { 28 echo __METHOD__ . "\n"; 29 $this->num++; 30 } 31 function valid(): bool { 32 echo __METHOD__ . "\n"; 33 return $this->num < $this->max; 34 } 35 function key(): mixed { 36 echo __METHOD__ . "\n"; 37 switch($this->num) { 38 case 0: return "1st"; 39 case 1: return "2nd"; 40 case 2: return "3rd"; 41 default: return "???"; 42 } 43 } 44} 45 46$obj = new c2(); 47 48foreach($obj as $v => $w) { 49 echo "object:$v=>$w\n"; 50} 51 52print "Done\n"; 53?> 54--EXPECT-- 551st try 562nd try 57object:max=>3 58object:num=>0 59Done 60
