Created
July 22, 2010 10:21
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<?php | |
/** | |
* Iterates over a CSV file using the first | |
* row (column names) as the array keys for | |
* each subsequent entry returned | |
*/ | |
class AssociativeCsvFileIterator extends FilterIterator | |
{ | |
protected | |
/** | |
* @var array | |
*/ | |
$_keys = array(), | |
/** | |
* @var integer | |
*/ | |
$_count = 0; | |
/** | |
* @param string $file_name The file to read | |
* @param string $delimiter The field delimiter (one character only) | |
* @param string $enclosure The field enclosure character (one character only) | |
* @param string $escape The field escape character (one character only) | |
*/ | |
public function __construct($file_name, $delimiter = ',', $enclosure = '"', $escape = '\\'){ | |
$csv = new SplFileObject($file_name); | |
$csv->setFlags(SplFileObject::READ_CSV); | |
$csv->setCsvControl($delimiter, $enclosure, $escape); | |
$this->_keys = array_values($csv->current()); | |
$this->_count = count($this->_keys); | |
parent::__construct(new LimitIterator($csv, 1)); | |
} | |
/** | |
* @return array | |
*/ | |
public function current(){ | |
return array_combine( | |
$this->_keys, | |
parent::current() | |
); | |
} | |
/** | |
* @return boolean | |
*/ | |
public function accept(){ | |
return $this->_count === count(parent::current()); | |
} | |
} |
It doesn't implement the Countable interface, see http://www.php.net/~helly/php/ext/spl/classFilterIterator.html. Yep, http://php.net/manual/en/function.iterator-count.php is an option; good catch. :)
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Hi,
Thanks for this gist. But function count() seems to not work this object: it always return 1.
Could you explain me why ?
Thanks
EDIT : I've found iterator_count()...