php composer.phar require --prefer-dist jumper423/file-iterator
или
"jumper423/yfile-iterator": "*"
в файле composer.json.
$fileIterator = new \jumper423\FileIterator(__DIR__ . '/file');
$fileIterator->rewind();
$fileIterator->next();
$fileIterator->next();
$fileIterator->seek(3);
$fileIterator->next();
echo $fileIterator->current();
$fileIterator->next();
echo $fileIterator->current();
$fileIterator->seek(9);
$fileIterator->next();
$fileIterator->next();
if ($fileIterator->valid()) {
...
}
vendor/bin/phpunit