public static function substrs($string, $length, $start = 0, $dot = false)
{
return WindString::substr($string, $start, $length, self::client()->clientCharser);
}
private static function _writeImage()
{
for ($i = 0; $i < self::$_codeLen; $i++) {
//$_text = Pw::substrs(self::$verifyCode, 1, $i, false);
$_text = WindString::substr(self::$verifyCode, $i, 1, 'utf-8', false);
self::_setRandSize();
self::_setRandAngle();
self::_setRandX();
self::_setRandY();
self::_setRandColor();
ImageTTFText(self::$_image, self::$_size, self::$_angle, self::$_codeX * $i + 10, self::$_codeY, self::$_color, self::$_font, $_text);
}
}
/**
* 字符串截取
*
* @param string $string
* @param int $length
* @param int $start
* @param bool $dot
*/
public static function substrs($string, $length, $start = 0, $dot = true) {
if (self::strlen($string) <= $length) return $string;
return WindString::substr($string, $start, $length, Wekit::V('charset'), $dot);
}
/**
* 字符串截取
*
* @param string $string
* @param int $length
* @param int $start
* @param bool $dot
*/
public static function substrs($string, $length, $start = 0, $dot = true)
{
return WindString::substr($string, $start, $length, Wekit::app()->charset, $dot);
}