diff options
Diffstat (limited to 'classes/IsisFieldIterator.php')
-rw-r--r-- | classes/IsisFieldIterator.php | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/classes/IsisFieldIterator.php b/classes/IsisFieldIterator.php deleted file mode 100644 index 11ed979..0000000 --- a/classes/IsisFieldIterator.php +++ /dev/null @@ -1,79 +0,0 @@ -<?php - -/** - * Isis field iterator. Iterates over all field values for - * each result row. - */ -class IsisFieldIterator implements Iterator -{ - private $valueset; - private $row = 0; - private $rows = 0; - - /** - * Constructor. - * - * @param $class - * Instance of IsisConnector or child class. - * - * @param $field - * Field to iterate over. - */ - public function __construct($class, $field) { - $this->rows = $class->getRows($field); - $this->valueset = $class->getValues($field); - } - - /** - * Rewind the Iterator to the first element. - */ - function rewind() { - $this->row = 0; - $this->value = 0; - } - - /** - * Return the key of the current element. - */ - function key() { - return $this->row; - } - - /** - * Return the current element. - */ - function current() { - return $this->valueset[$this->row]['field']; - } - - /** - * Move forward to next element. - */ - function next() { - do { - ++$this->row; - } - while ($this->current_null() && $this->has_more_rows()); - } - - /** - * Check if there are more rows. - */ - function has_more_rows() { - return $this->row <= $this->rows; - } - - /** - * Check if the current value is null. - */ - function current_null() { - return $this->current() == NULL; - } - - /** - * Check if there is a current element after calls to rewind() or next(). - */ - function valid() { - return $this->has_more_rows() && !$this->current_null(); - } -} |