1 files changed, 0 insertions, 75 deletions
diff --git a/classes/IsisSubfieldIterator.php b/classes/IsisSubfieldIterator.php
deleted file mode 100644
index 36d3d06..0000000
--- a/classes/IsisSubfieldIterator.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-
-/**
- * Isis subfield iterator. Iterates over all subfields for
- * each result row.
- */
-class IsisSubfieldIterator implements Iterator
-{
-  private $keys;
-  private $fieldset;
-  private $row       = 0;
-  private $rows      = 0;
-  private $subfield  = 0;
-  private $subfields = 0;
-
-  /**
-   * Constructor.
-   *
-   * @param $class
-   *   Instance of IsisConnector or child class.
-   *
-   * @param $field
-   *   Field to iterate over.
-   */ 
-  public function __construct($class, $field) {
-    $this->class     = $class;
-    $this->field     = $field;
-    $this->rows      = $class->getRows($field);
-    $this->fieldset  = $class->getSubfieldList($field);
-    $this->keys      = array_keys($this->fieldset);
-    $this->subfields = count($this->keys);
-  }
-
-  /**
-   * Rewind the Iterator to the first element.
-   */
-  function rewind() {
-    $this->row      = 0;
-    $this->subfield = 0;
-  }
-
-  /**
-   * Return the key of the current element.
-   */
-  function key() {
-    return $this->row;
-  }
-
-  /**
-   * Return the current element.
-   */
-  function current() {
-    return $this->fieldset[$this->keys[$this->subfield]];
-  }
-
-  /**
-   * Move forward to next element.
-   */
-  function next() {
-    if ($this->subfield >= $this->subfields) {
-      $this->subfield = 0;
-      ++$this->row;
-    }
-    else {
-      ++$this->subfield;
-    }
-  }
-
-  /**
-   * Check if there is a current element after calls to rewind() or next().
-   */
-  function valid() {
-    return $this->row <= $this->rows;
-  }  
-}