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------------------------------------------------------------------------------- DirectoryIterator implements SeekableIterator, which "should throw an OutOfBoundsException if the position is not seekable". As is, seek just returns and one must call valid(). This approach is different than most (all?) other SeekableIterator implementations and leads to developer confusion. See the bug report for a specific example.
53 lines
772 B
PHP
53 lines
772 B
PHP
--TEST--
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SPL: DirectoryIterator and seek
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--FILE--
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<?php
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$di = new DirectoryIterator(__DIR__."/..");
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$di->seek(2);
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$n = 0;
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while ($di->valid()) {
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$n++;
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$di->next();
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}
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echo "With seek(2) we get $n\n";
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$di->seek(0);
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$m = 0;
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while ($di->valid()) {
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$m++;
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$di->next();
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}
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echo "With seek(0) we get $m\n";
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$o = 0;
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$di->rewind();
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while ($di->valid()) {
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$o++;
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$di->next();
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}
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echo "Without seek we get $o\n";
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try {
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$p = 0;
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$di->seek($o+1);
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$p = 1;
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} catch (\OutOfBoundsException $ex) {
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echo $ex->getMessage() . PHP_EOL;
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}
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var_dump($n !== $m, $m === $o, $p === 0);
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?>
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===DONE===
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--EXPECTF--
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With seek(2) we get %d
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With seek(0) we get %d
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Without seek we get %d
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Seek position %d is out of range
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bool(true)
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bool(true)
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bool(true)
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===DONE===
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