private String debugPrint(E[] values) {
		StringBuilder buf = new StringBuilder();
		buf.append("[ ");
		for (int i=0; i<values.length; i++) {
			if (i > 0) {
				buf.append(", ");
			}
			buf.append(values[i]);
		}
		buf.append(" ]");
		return buf.toString();
	}
Print array values into string.

@param values	array with values
@return			string representing array values
jphp-runtime/src/php/runtime/memory/support/GapList.java