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119 lines
2.1 KiB
PHP
119 lines
2.1 KiB
PHP
--TEST--
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SPL: LimitIterator and backward seeking
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--FILE--
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<?php
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class NumericArrayIterator implements Iterator
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{
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protected $a;
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protected $i = 0;
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public function __construct($a)
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{
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echo __METHOD__ . "\n";
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$this->a = $a;
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}
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public function valid(): bool
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{
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echo __METHOD__ . "\n";
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return $this->i < count($this->a);
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}
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public function rewind(): void
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{
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echo __METHOD__ . "\n";
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$this->i = 0;
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}
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public function key(): mixed
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{
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echo __METHOD__ . "\n";
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return $this->i;
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}
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public function current(): mixed
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{
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echo __METHOD__ . "\n";
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return $this->a[$this->i];
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}
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public function next(): void
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{
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echo __METHOD__ . "\n";
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$this->i++;
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}
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}
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$it = new LimitIterator(new NumericArrayIterator(array(12, 25, 42, 56)));
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foreach($it as $k => $v)
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{
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var_dump($k);
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var_dump($v);
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}
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echo "===SEEK===\n";
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$it->seek(2);
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echo "===LOOP===\n";
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foreach(new NoRewindIterator($it) as $k => $v)
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{
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var_dump($k);
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var_dump($v);
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}
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?>
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--EXPECT--
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NumericArrayIterator::__construct
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NumericArrayIterator::rewind
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NumericArrayIterator::valid
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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int(0)
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int(12)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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int(1)
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int(25)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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int(2)
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int(42)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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int(3)
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int(56)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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===SEEK===
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NumericArrayIterator::rewind
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NumericArrayIterator::valid
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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===LOOP===
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int(2)
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int(42)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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NumericArrayIterator::current
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NumericArrayIterator::key
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int(3)
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int(56)
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NumericArrayIterator::next
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NumericArrayIterator::valid
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