<?php



class Tg_String  {

	

	private $_string = '';

	

	function __construct($str)

	{

		$this->_string = $str;

	}	

	

	function startsWith($needle,$case=true) {

	    if($case){return (strcmp(substr($this->_string, 0, strlen($needle)),$needle)===0);}

	    return (strcasecmp(substr($this->_string, 0, strlen($needle)),$needle)===0);

	}

	

	function endsWith($needle,$case=true) {

	    if($case){return (strcmp(substr($this->_string, strlen($this->_string) - strlen($needle)),$needle)===0);}

	    return (strcasecmp(substr($this->_string, strlen($this->_string) - strlen($needle)),$needle)===0);

	}



	public static function sanitizeUrl($z)

	{

		$z = strtolower($z);

	    $z = preg_replace('/[^a-z0-9 -]+/', '', $z);

	    $z = str_replace(' ', '-', $z);

	    return trim($z, '-');

	}



    /**

     * @static

     * @param $hexStr

     * @param bool $returnAsString

     * @param string $seperator

     * @return array|string

     */



    public static function hex2RGB($hexStr, $returnAsString = false, $seperator = ',') {

        $hexStr = preg_replace("/[^0-9A-Fa-f]/", '', $hexStr); // Gets a proper hex string

        $rgbArray = array();

        if (strlen($hexStr) == 6) { //If a proper hex code, convert using bitwise operation. No overhead... faster

            $colorVal = hexdec($hexStr);

            $rgbArray['red'] = 0xFF & ($colorVal >> 0x10);

            $rgbArray['green'] = 0xFF & ($colorVal >> 0x8);

            $rgbArray['blue'] = 0xFF & $colorVal;

        } elseif (strlen($hexStr) == 3) { //if shorthand notation, need some string manipulations

            $rgbArray['red'] = hexdec(str_repeat(substr($hexStr, 0, 1), 2));

            $rgbArray['green'] = hexdec(str_repeat(substr($hexStr, 1, 1), 2));

            $rgbArray['blue'] = hexdec(str_repeat(substr($hexStr, 2, 1), 2));

        } else {

            return false; //Invalid hex color code

        }

        return $returnAsString ? implode($seperator, $rgbArray) : $rgbArray; // returns the rgb string or the associative array

    }

}