mghayour

<?php
/**
 * Is RTL
 * Check if there RTL characters (Arabic, Persian, Hebrew)
 * this function works in fuzzy mode
 * 
 * @author	Khaled Attia <[email protected]> Mahdi Ghayour <[email protected]>
 * @param	String	$string
 * @return	float betwwen 0~1, (0 for ltr and 1 for rtl)
 * @example if( is_rtl($string) > 0.5 ) { // do sth }