<?php
// Part of a larger class called OArray:

	public function key_field($field)
	{
		$newobj = new OArray();
		foreach($this->getArrayCopy() as $item) {
			if(is_object($item)){
				$newobj[$item->$field] = $item;
			}
			else {
				$newobj[$item[$field]] = $item;
			}
		}
		return $newobj;
	}

?>