1--TEST-- 2ZE2 iterators and array wrapping 3--FILE-- 4<?php 5 6class ai implements Iterator { 7 8 private $array; 9 10 function __construct() { 11 $this->array = array('foo', 'bar', 'baz'); 12 } 13 14 function rewind() { 15 reset($this->array); 16 $this->next(); 17 } 18 19 function valid() { 20 return $this->key !== NULL; 21 } 22 23 function key() { 24 return $this->key; 25 } 26 27 function current() { 28 return $this->current; 29 } 30 31 function next() { 32 $this->key = key($this->array); 33 $this->current = current($this->array); 34 next($this->array); 35 } 36} 37 38class a implements IteratorAggregate { 39 40 public function getIterator() { 41 return new ai(); 42 } 43} 44 45$array = new a(); 46 47foreach ($array as $property => $value) { 48 print "$property: $value\n"; 49} 50 51#$array = $array->getIterator(); 52#$array->rewind(); 53#$array->valid(); 54#var_dump($array->key()); 55#var_dump($array->current()); 56echo "===2nd===\n"; 57 58$array = new ai(); 59 60foreach ($array as $property => $value) { 61 print "$property: $value\n"; 62} 63 64echo "===3rd===\n"; 65 66foreach ($array as $property => $value) { 67 print "$property: $value\n"; 68} 69 70?> 71===DONE=== 72--EXPECT-- 730: foo 741: bar 752: baz 76===2nd=== 770: foo 781: bar 792: baz 80===3rd=== 810: foo 821: bar 832: baz 84===DONE=== 85
