embedaddon/php/tests/lang/foreachLoopIteratorAggregate.001.phpt - view

File: [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / tests / lang / foreachLoopIteratorAggregate.001.phpt
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Feb 21 23:48:06 2012 UTC (12 years, 5 months ago) by misho
Branches: php, MAIN
CVS tags: v5_4_3elwix, v5_4_29p0, v5_4_29, v5_4_20p0, v5_4_20, v5_4_17p0, v5_4_17, v5_3_10, HEAD

php

1: --TEST-- 2: foreach with iteratorAggregate 3: --FILE-- 4: <?php 5: class EnglishMealIterator implements Iterator { 6: private $pos=0; 7: private $myContent=array("breakfast", "dinner", "tea"); 8: 9: public function valid() { 10: global $indent; 11: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 12: return $this->pos < count($this->myContent); 13: } 14: 15: public function next() { 16: global $indent; 17: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 18: $this->pos++; 19: } 20: 21: public function rewind() { 22: global $indent; 23: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 24: $this->pos=0; 25: } 26: 27: public function current() { 28: global $indent; 29: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 30: return $this->myContent[$this->pos]; 31: } 32: 33: public function key() { 34: global $indent; 35: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 36: return "meal " . $this->pos; 37: } 38: 39: } 40: 41: class FrenchMealIterator implements Iterator { 42: private $pos=0; 43: private $myContent=array("petit dejeuner", "dejeuner", "gouter", "dinner"); 44: 45: public function valid() { 46: global $indent; 47: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 48: return $this->pos < count($this->myContent); 49: } 50: 51: public function next() { 52: global $indent; 53: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 54: $this->pos++; 55: } 56: 57: public function rewind() { 58: global $indent; 59: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 60: $this->pos=0; 61: } 62: 63: public function current() { 64: global $indent; 65: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 66: return $this->myContent[$this->pos]; 67: } 68: 69: public function key() { 70: global $indent; 71: echo "$indent--> " . __METHOD__ . " ($this->pos)\n"; 72: return "meal " . $this->pos; 73: } 74: 75: } 76: 77: 78: Class EuropeanMeals implements IteratorAggregate { 79: 80: private $storedEnglishMealIterator; 81: private $storedFrenchMealIterator; 82: 83: public function __construct() { 84: $this->storedEnglishMealIterator = new EnglishMealIterator; 85: $this->storedFrenchMealIterator = new FrenchMealIterator; 86: } 87: 88: public function getIterator() { 89: global $indent; 90: echo "$indent--> " . __METHOD__ . "\n"; 91: 92: //Alternate between English and French meals 93: static $i = 0; 94: if ($i++%2 == 0) { 95: return $this->storedEnglishMealIterator; 96: } else { 97: return $this->storedFrenchMealIterator; 98: } 99: } 100: 101: } 102: 103: $f = new EuropeanMeals; 104: var_dump($f); 105: 106: echo "-----( Simple iteration 1: )-----\n"; 107: foreach ($f as $k=>$v) { 108: echo "$k => $v\n"; 109: } 110: echo "-----( Simple iteration 2: )-----\n"; 111: foreach ($f as $k=>$v) { 112: echo "$k => $v\n"; 113: } 114: 115: 116: $indent = " "; 117: echo "\n\n\n-----( Nested iteration: )-----\n"; 118: $count=1; 119: foreach ($f as $k=>$v) { 120: echo "\nTop level " . $count++ . ": \n"; 121: echo "$k => $v\n"; 122: $indent = " "; 123: foreach ($f as $k=>$v) { 124: echo " $k => $v\n"; 125: } 126: $indent = " "; 127: } 128: 129: 130: ?> 131: ===DONE=== 132: --EXPECTF-- 133: object(EuropeanMeals)#%d (2) { 134: ["storedEnglishMealIterator":"EuropeanMeals":private]=> 135: object(EnglishMealIterator)#%d (2) { 136: ["pos":"EnglishMealIterator":private]=> 137: int(0) 138: ["myContent":"EnglishMealIterator":private]=> 139: array(3) { 140: [0]=> 141: string(9) "breakfast" 142: [1]=> 143: string(6) "dinner" 144: [2]=> 145: string(3) "tea" 146: } 147: } 148: ["storedFrenchMealIterator":"EuropeanMeals":private]=> 149: object(FrenchMealIterator)#%d (2) { 150: ["pos":"FrenchMealIterator":private]=> 151: int(0) 152: ["myContent":"FrenchMealIterator":private]=> 153: array(4) { 154: [0]=> 155: string(14) "petit dejeuner" 156: [1]=> 157: string(8) "dejeuner" 158: [2]=> 159: string(6) "gouter" 160: [3]=> 161: string(6) "dinner" 162: } 163: } 164: } 165: -----( Simple iteration 1: )----- 166: --> EuropeanMeals::getIterator 167: --> EnglishMealIterator::rewind (0) 168: --> EnglishMealIterator::valid (0) 169: --> EnglishMealIterator::current (0) 170: --> EnglishMealIterator::key (0) 171: meal 0 => breakfast 172: --> EnglishMealIterator::next (0) 173: --> EnglishMealIterator::valid (1) 174: --> EnglishMealIterator::current (1) 175: --> EnglishMealIterator::key (1) 176: meal 1 => dinner 177: --> EnglishMealIterator::next (1) 178: --> EnglishMealIterator::valid (2) 179: --> EnglishMealIterator::current (2) 180: --> EnglishMealIterator::key (2) 181: meal 2 => tea 182: --> EnglishMealIterator::next (2) 183: --> EnglishMealIterator::valid (3) 184: -----( Simple iteration 2: )----- 185: --> EuropeanMeals::getIterator 186: --> FrenchMealIterator::rewind (0) 187: --> FrenchMealIterator::valid (0) 188: --> FrenchMealIterator::current (0) 189: --> FrenchMealIterator::key (0) 190: meal 0 => petit dejeuner 191: --> FrenchMealIterator::next (0) 192: --> FrenchMealIterator::valid (1) 193: --> FrenchMealIterator::current (1) 194: --> FrenchMealIterator::key (1) 195: meal 1 => dejeuner 196: --> FrenchMealIterator::next (1) 197: --> FrenchMealIterator::valid (2) 198: --> FrenchMealIterator::current (2) 199: --> FrenchMealIterator::key (2) 200: meal 2 => gouter 201: --> FrenchMealIterator::next (2) 202: --> FrenchMealIterator::valid (3) 203: --> FrenchMealIterator::current (3) 204: --> FrenchMealIterator::key (3) 205: meal 3 => dinner 206: --> FrenchMealIterator::next (3) 207: --> FrenchMealIterator::valid (4) 208: 209: 210: 211: -----( Nested iteration: )----- 212: --> EuropeanMeals::getIterator 213: --> EnglishMealIterator::rewind (3) 214: --> EnglishMealIterator::valid (0) 215: --> EnglishMealIterator::current (0) 216: --> EnglishMealIterator::key (0) 217: 218: Top level 1: 219: meal 0 => breakfast 220: --> EuropeanMeals::getIterator 221: --> FrenchMealIterator::rewind (4) 222: --> FrenchMealIterator::valid (0) 223: --> FrenchMealIterator::current (0) 224: --> FrenchMealIterator::key (0) 225: meal 0 => petit dejeuner 226: --> FrenchMealIterator::next (0) 227: --> FrenchMealIterator::valid (1) 228: --> FrenchMealIterator::current (1) 229: --> FrenchMealIterator::key (1) 230: meal 1 => dejeuner 231: --> FrenchMealIterator::next (1) 232: --> FrenchMealIterator::valid (2) 233: --> FrenchMealIterator::current (2) 234: --> FrenchMealIterator::key (2) 235: meal 2 => gouter 236: --> FrenchMealIterator::next (2) 237: --> FrenchMealIterator::valid (3) 238: --> FrenchMealIterator::current (3) 239: --> FrenchMealIterator::key (3) 240: meal 3 => dinner 241: --> FrenchMealIterator::next (3) 242: --> FrenchMealIterator::valid (4) 243: --> EnglishMealIterator::next (0) 244: --> EnglishMealIterator::valid (1) 245: --> EnglishMealIterator::current (1) 246: --> EnglishMealIterator::key (1) 247: 248: Top level 2: 249: meal 1 => dinner 250: --> EuropeanMeals::getIterator 251: --> EnglishMealIterator::rewind (1) 252: --> EnglishMealIterator::valid (0) 253: --> EnglishMealIterator::current (0) 254: --> EnglishMealIterator::key (0) 255: meal 0 => breakfast 256: --> EnglishMealIterator::next (0) 257: --> EnglishMealIterator::valid (1) 258: --> EnglishMealIterator::current (1) 259: --> EnglishMealIterator::key (1) 260: meal 1 => dinner 261: --> EnglishMealIterator::next (1) 262: --> EnglishMealIterator::valid (2) 263: --> EnglishMealIterator::current (2) 264: --> EnglishMealIterator::key (2) 265: meal 2 => tea 266: --> EnglishMealIterator::next (2) 267: --> EnglishMealIterator::valid (3) 268: --> EnglishMealIterator::next (3) 269: --> EnglishMealIterator::valid (4) 270: ===DONE===