89 lines
1.6 KiB
PHP
89 lines
1.6 KiB
PHP
--TEST--
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DatePeriod can be used as an IteratorAggregate
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--FILE--
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<?php
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$period = new DatePeriod('R2/2012-07-01T00:00:00Z/P7D');
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foreach ($period as $i => $date) {
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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echo "\n";
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foreach ($period->getIterator() as $i => $date) {
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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echo "\n";
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$iter = $period->getIterator();
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for (; $iter->valid(); $iter->next()) {
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$i = $iter->key();
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$date = $iter->current();
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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echo "\n";
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$iter->rewind();
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for (; $iter->valid(); $iter->next()) {
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$i = $iter->key();
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$date = $iter->current();
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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echo "\n";
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foreach (new IteratorIterator($period) as $i => $date) {
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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// Extension that does not overwrite getIterator().
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class MyDatePeriod1 extends DatePeriod {
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}
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echo "\n";
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$period = new MyDatePeriod1('R2/2012-07-01T00:00:00Z/P7D');
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foreach ($period as $i => $date) {
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echo "$i: ", $date->format('Y-m-d'), "\n";
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}
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// Extension that does overwrite getIterator().
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class MyDatePeriod2 extends DatePeriod {
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public function getIterator(): Iterator {
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return new ArrayIterator([1, 2, 3]);
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}
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}
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echo "\n";
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$period = new MyDatePeriod2('R2/2012-07-01T00:00:00Z/P7D');
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foreach ($period as $i => $notDate) {
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echo "$i: $notDate\n";
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}
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?>
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--EXPECT--
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 2012-07-01
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1: 2012-07-08
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2: 2012-07-15
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0: 1
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1: 2
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2: 3
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