1--TEST-- 2SPL: SeekableIterator and string keys 3--FILE-- 4<?php 5 6class NumericArrayIterator implements Iterator 7{ 8 protected $a; 9 protected $i; 10 11 public function __construct($a) 12 { 13 echo __METHOD__ . "\n"; 14 $this->a = $a; 15 } 16 17 public function rewind() 18 { 19 echo __METHOD__ . "\n"; 20 $this->i = 0; 21 } 22 23 public function valid() 24 { 25 $ret = $this->i < count($this->a); 26 echo __METHOD__ . '(' . ($ret ? 'true' : 'false') . ")\n"; 27 return $ret; 28 } 29 30 public function key() 31 { 32 echo __METHOD__ . "\n"; 33 return $this->i; 34 } 35 36 public function current() 37 { 38 echo __METHOD__ . "\n"; 39 return $this->a[$this->i]; 40 } 41 42 public function next() 43 { 44 echo __METHOD__ . "\n"; 45 $this->i++; 46 } 47} 48 49class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator 50{ 51 public function seek($index) 52 { 53 if ($index < count($this->a)) { 54 $this->i = $index; 55 } 56 echo __METHOD__ . '(' . $index . ")\n"; 57 } 58} 59 60$a = array(1, 2, 3, 4, 5); 61foreach (new LimitIterator(new NumericArrayIterator($a), 1, 3) as $v) 62{ 63 print "$v\n"; 64} 65 66echo "===SEEKABLE===\n"; 67$a = array(1, 2, 3, 4, 5); 68foreach(new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3) as $v) 69{ 70 print "$v\n"; 71} 72 73echo "===SEEKING===\n"; 74$a = array(1, 2, 3, 4, 5); 75$l = new LimitIterator(new SeekableNumericArrayIterator($a)); 76for($i = 1; $i < 4; $i++) 77{ 78 $l->seek($i); 79 print $l->current() . "\n"; 80} 81 82?> 83===DONE=== 84<?php exit(0); ?> 85--EXPECT-- 86NumericArrayIterator::__construct 87NumericArrayIterator::rewind 88NumericArrayIterator::valid(true) 89NumericArrayIterator::next 90NumericArrayIterator::valid(true) 91NumericArrayIterator::valid(true) 92NumericArrayIterator::current 93NumericArrayIterator::key 942 95NumericArrayIterator::next 96NumericArrayIterator::valid(true) 97NumericArrayIterator::current 98NumericArrayIterator::key 993 100NumericArrayIterator::next 101NumericArrayIterator::valid(true) 102NumericArrayIterator::current 103NumericArrayIterator::key 1044 105NumericArrayIterator::next 106===SEEKABLE=== 107NumericArrayIterator::__construct 108NumericArrayIterator::rewind 109SeekableNumericArrayIterator::seek(1) 110NumericArrayIterator::valid(true) 111NumericArrayIterator::current 112NumericArrayIterator::key 1132 114NumericArrayIterator::next 115NumericArrayIterator::valid(true) 116NumericArrayIterator::current 117NumericArrayIterator::key 1183 119NumericArrayIterator::next 120NumericArrayIterator::valid(true) 121NumericArrayIterator::current 122NumericArrayIterator::key 1234 124NumericArrayIterator::next 125===SEEKING=== 126NumericArrayIterator::__construct 127SeekableNumericArrayIterator::seek(1) 128NumericArrayIterator::valid(true) 129NumericArrayIterator::current 130NumericArrayIterator::key 1312 132SeekableNumericArrayIterator::seek(2) 133NumericArrayIterator::valid(true) 134NumericArrayIterator::current 135NumericArrayIterator::key 1363 137SeekableNumericArrayIterator::seek(3) 138NumericArrayIterator::valid(true) 139NumericArrayIterator::current 140NumericArrayIterator::key 1414 142===DONE=== 143
