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foreachLoopIteratorAggregate.003.phpt
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foreachLoopIteratorAggregate.003.phpt
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--TEST--
foreach with nested iteratorAggregates
--FILE--
<?php
class EnglishMealIterator implements Iterator {
private $pos=0;
private $myContent=array("breakfast", "dinner", "tea");
public function valid() {
global $indent;
echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
return $this->pos<3;
}
public function next() {
global $indent;
echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
return $this->myContent[$this->pos++];
}
public function rewind() {
global $indent;
echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
$this->pos=0;
}
public function current() {
global $indent;
echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
return $this->myContent[$this->pos];
}
public function key() {
global $indent;
echo "$indent--> " . __METHOD__ . " ($this->pos)\n";
return "meal " . $this->pos;
}
}
class A1 implements IteratorAggregate {
function getIterator() {
return new EnglishMealIterator;
}
}
class A2 implements IteratorAggregate {
function getIterator() {
return new A1;
}
}
class A3 implements IteratorAggregate {
function getIterator() {
return new A2;
}
}
echo "\n-----( A1: )-----\n";
foreach (new A1 as $k=>$v) {
echo "$k => $v\n";
}
echo "\n-----( A2: )-----\n";
foreach (new A2 as $k=>$v) {
echo "$k => $v\n";
}
echo "\n-----( A3: )-----\n";
foreach (new A3 as $k=>$v) {
echo "$k => $v\n";
}
?>
===DONE===
--EXPECTF--
-----( A1: )-----
--> EnglishMealIterator::rewind (0)
--> EnglishMealIterator::valid (0)
--> EnglishMealIterator::current (0)
--> EnglishMealIterator::key (0)
meal 0 => breakfast
--> EnglishMealIterator::next (0)
--> EnglishMealIterator::valid (1)
--> EnglishMealIterator::current (1)
--> EnglishMealIterator::key (1)
meal 1 => dinner
--> EnglishMealIterator::next (1)
--> EnglishMealIterator::valid (2)
--> EnglishMealIterator::current (2)
--> EnglishMealIterator::key (2)
meal 2 => tea
--> EnglishMealIterator::next (2)
--> EnglishMealIterator::valid (3)
-----( A2: )-----
--> EnglishMealIterator::rewind (0)
--> EnglishMealIterator::valid (0)
--> EnglishMealIterator::current (0)
--> EnglishMealIterator::key (0)
meal 0 => breakfast
--> EnglishMealIterator::next (0)
--> EnglishMealIterator::valid (1)
--> EnglishMealIterator::current (1)
--> EnglishMealIterator::key (1)
meal 1 => dinner
--> EnglishMealIterator::next (1)
--> EnglishMealIterator::valid (2)
--> EnglishMealIterator::current (2)
--> EnglishMealIterator::key (2)
meal 2 => tea
--> EnglishMealIterator::next (2)
--> EnglishMealIterator::valid (3)
-----( A3: )-----
--> EnglishMealIterator::rewind (0)
--> EnglishMealIterator::valid (0)
--> EnglishMealIterator::current (0)
--> EnglishMealIterator::key (0)
meal 0 => breakfast
--> EnglishMealIterator::next (0)
--> EnglishMealIterator::valid (1)
--> EnglishMealIterator::current (1)
--> EnglishMealIterator::key (1)
meal 1 => dinner
--> EnglishMealIterator::next (1)
--> EnglishMealIterator::valid (2)
--> EnglishMealIterator::current (2)
--> EnglishMealIterator::key (2)
meal 2 => tea
--> EnglishMealIterator::next (2)
--> EnglishMealIterator::valid (3)
===DONE===