--TEST-- SPL: SeekableIterator and string keys --FILE-- a = $a; } public function rewind() { echo __METHOD__ . "\n"; $this->i = 0; } public function valid() { $ret = $this->i < count($this->a); echo __METHOD__ . '(' . ($ret ? 'true' : 'false') . ")\n"; return $ret; } public function key() { echo __METHOD__ . "\n"; return $this->i; } public function current() { echo __METHOD__ . "\n"; return $this->a[$this->i]; } public function next() { echo __METHOD__ . "\n"; $this->i++; } } class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator { public function seek($index) { if ($index < count($this->a)) { $this->i = $index; } echo __METHOD__ . '(' . $index . ")\n"; } } $a = array(1, 2, 3, 4, 5); foreach (new LimitIterator(new NumericArrayIterator($a), 1, 3) as $v) { print "$v\n"; } echo "===SEEKABLE===\n"; $a = array(1, 2, 3, 4, 5); foreach(new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3) as $v) { print "$v\n"; } echo "===SEEKING===\n"; $a = array(1, 2, 3, 4, 5); $l = new LimitIterator(new SeekableNumericArrayIterator($a)); for($i = 1; $i < 4; $i++) { $l->seek($i); print $l->current() . "\n"; } ?> ===DONE=== --EXPECT-- NumericArrayIterator::__construct NumericArrayIterator::rewind NumericArrayIterator::valid(true) NumericArrayIterator::next NumericArrayIterator::valid(true) NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 2 NumericArrayIterator::next NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 3 NumericArrayIterator::next NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 4 NumericArrayIterator::next ===SEEKABLE=== NumericArrayIterator::__construct NumericArrayIterator::rewind SeekableNumericArrayIterator::seek(1) NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 2 NumericArrayIterator::next NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 3 NumericArrayIterator::next NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 4 NumericArrayIterator::next ===SEEKING=== NumericArrayIterator::__construct SeekableNumericArrayIterator::seek(1) NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 2 SeekableNumericArrayIterator::seek(2) NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 3 SeekableNumericArrayIterator::seek(3) NumericArrayIterator::valid(true) NumericArrayIterator::current NumericArrayIterator::key 4 ===DONE===