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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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