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<?php
/**
* Foreach Runtime Methods count
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
**/
class Smarty_Internal_Runtime_Foreach
{
/**
* [util function] counts an array, arrayAccess/traversable or PDOStatement object
*
* @param mixed $value
*
* @return int the count for arrays and objects that implement countable, 1 for other objects that don't, and 0
* for empty elements
*/
public function count($value)
{
if (is_array($value) === true || $value instanceof Countable) {
return count($value);
} elseif ($value instanceof IteratorAggregate) {
// Note: getIterator() returns a Traversable, not an Iterator
// thus rewind() and valid() methods may not be present
return iterator_count($value->getIterator());
} elseif ($value instanceof Iterator) {
if ($value instanceof Generator) {
return 1;
}
return iterator_count($value);
} elseif ($value instanceof PDOStatement) {
return $value->rowCount();
} elseif ($value instanceof Traversable) {
return iterator_count($value);
} elseif ($value instanceof ArrayAccess) {
if ($value->offsetExists(0)) {
return 1;
}
} elseif (is_object($value)) {
return count($value);
}
return 0;
}
}
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