采集图片水印添加

<?php
$curl = curl_init();
$url = 'http://nj.rent.house365.com/';
curl_setopt($curl , CURLOPT_URL , $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
$str = curl_exec($curl); //返回结果
$zz = '/<dd class="item">s+<div class="pic"><a  target="_blank" href=".*">'.
    '<img alt="(.*)" src="(.*)" width="140" height="110" /></a> </div>s+'.
    '/iUs';
preg_match_all($zz,$str,$match);

foreach ($match[2] as $key => $value) {
    file_put_contents('./img/'.$key.'.jpg', file_get_contents($value));
    /*打开图片*/
    //1、配置图片路径
    $src = './img/'.$key.'.jpg';
    //2、获取图片信息
    $info = getimagesize($src);
    //外传：计算文字大小
    $width = substr($info[3], 7,3);
    $height = substr($info[3],20,3 );
    $width > $height ? $size = $height : $size = $width;
    $size = $size/10;
    $wsize = $size*6;
    //3、获取图片类型
    $type = image_type_to_extension($info[2], false);
    //4、在内存中创建一个和我们图像类型一样的图像
    $func = "imagecreatefrom{$type}";
    //5、把图片复制到我们的内存中
    $image = $func($src);
    //var_dump($image);die;
    /* 操作图片 */
    //1、设置字体路径
    $font = "heiti.ttf";
    //2、填写水印内容
    $content = "面试通过";
    //3、设置字体颜色和透明度
    $color = imagecolorallocatealpha($image, 0, 0, 0, 50);
    //4、写入文字
    imagettftext($image, $size, 0, rand(0,$width-$wsize), rand($size,$height-$size), $color, $font, $content);
    /* 输出图片 */
    //2、保存图片
    imagejpeg($image,'./img/'.$key.'.jpg');}?>