@Override
	public boolean containsAll(Collection<?> coll) {
	    // Note that this method is already implemented in AbstractCollection.
		// It has been duplicated so the method is also available in the primitive classes.
	    for (Object elem: coll) {
	        if (!contains(elem)) {
	            return false;
	        }
	    }
	    return true;
	}
Returns true if any of the elements of the specified collection is contained in the list.

@param coll collection with elements to be contained
@return     true if any element is contained, false otherwise
jphp-runtime/src/php/runtime/memory/support/IList.java