$code[$i] = iconv_substr($this->zhSet,floor(mt_rand(0,mb_strlen($this->zhSet,'utf-8')-1)),1,'utf-8');
imagettftext($this->_image, $this->fontSize, mt_rand(-40, 40), $this->fontSize*($i+1)*1.5, $this->fontSize + mt_rand(10, 20), $this->_color, $this->fontttf, $code[$i]); 最佳答案
