<?php

if (version_compare(PHP_VERSION, '5.4.0', '<')) {

	/**
	 * An abstract source to bulk load records from.
	 * Provides an iterator for retrieving records from.
	 *
	 * Useful for holiding source configuration state.
	 */
	abstract class BulkLoaderSource implements IteratorAggregate
	{

	}

} else {

	/**
	 * An abstract source to bulk load records from.
	 * Provides an iterator for retrieving records from.
	 *
	 * Useful for holiding source configuration state.
	 */
	abstract class BulkLoaderSource implements IteratorAggregate
	{

		/**
		 * Provide iterator for bulk loading from.
		 * Records are expected to be 1 dimensional key-value arrays.
		 * @return Iterator
		 */
		abstract public function getIterator();

	}

}

<?php

	/**
	 * An abstract source to bulk load records from.
	 * Provides an iterator for retrieving records from.
	 *
	 * Useful for holiding source configuration state.
	 */
	abstract class BulkLoaderSource implements IteratorAggregate
	{

	}


Fix issue with php version 5.3.3
Fix issue with php version 5.3.3