doulubashang6936 2013-11-06 16:37
浏览 100
已采纳

PHP脚本无法正常安装GD库

Below is my resize.php script. I needed to install the GD Library and did so but I am still having trouble gettint the image to process like it used to my old server.HERE You can see with the error reporting on there is an empty image created and the following errors display:

Warning: getimagesize(http://stackoverflow.com/questions/19817599/../wp-content/themes/Explorable/panos/Pano__0000.jpg): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /home/go3de/public_html/wp-content/themes/Explorable/resize.php on line 16

Warning: Division by zero in /home/go3de/public_html/wp-content/themes/Explorable/resize.php on line 19

Warning: Division by zero in /home/go3de/public_html/wp-content/themes/Explorable/resize.php on line 30

What is going wrong? PLEASE HELP!

<?php session_start();header("Pragma: public");header("Cache-Control: max-age = 604800");
header("Expires: ".gmdate("D, d M Y H:i:s", time() + 604800)." GMT");

function thumbnail($image, $width, $height) {

    if($image[0] != "/") { // Decide where to look for the image if a full path is not given
        if(!isset($_SERVER["HTTP_REFERER"])) { // Try to find image if accessed directly from this script in a browser
            $image = $_SERVER["DOCUMENT_ROOT"].implode("/", (explode('/', $_SERVER["PHP_SELF"], -1)))."/".$image;
        } else {
            $image = implode("/", (explode('/', $_SERVER["HTTP_REFERER"], -1)))."/".$image;
        }
    } else {
        $image = $_SERVER["DOCUMENT_ROOT"].$image;
    }
    $image_properties = getimagesize($image);
    $image_width = $image_properties[0];
    $image_height = $image_properties[1];
    $image_ratio = $image_width / $image_height;
    $type = $image_properties["mime"];

    if(!$width && !$height) {
        $width = $image_width;
        $height = $image_height;
    }
    if(!$width) {
        $width = round($height * $image_ratio);
    }
    if(!$height) {
        $height = round($width / $image_ratio);
    }

    if($type == "image/jpeg") {
        header('Content-type: image/jpeg');
        $thumb = imagecreatefromjpeg($image);
    } elseif($type == "image/png") {
        header('Content-type: image/png');
        $thumb = imagecreatefrompng($image);
    } else {
        return false;
    }

    $temp_image = imagecreatetruecolor($width, $height);
    imagecopyresampled($temp_image, $thumb, 0, 0, 0, 0, $width, $height, $image_width, $image_height);
    $thumbnail = imagecreatetruecolor($width, $height);
    imagecopyresampled($thumbnail, $temp_image, 0, 0, 0, 0, $width, $height, $width, $height);

    if($type == "image/jpeg") {
        imagejpeg($thumbnail);
    } else {
        imagepng($thumbnail);
    }

    imagedestroy($temp_image);
    imagedestroy($thumbnail);

}

if(isset($_GET["h"])) { $h = $_GET["h"]; } else { $h = 0; }
if(isset($_GET["w"])) { $w = $_GET["w"]; } else { $w = 0; }

thumbnail($_GET["img"], $w, $h);

?>
  • 写回答

2条回答 默认 最新

  • douhuangjie4503 2013-11-07 19:39
    关注

    Figured it out! I had a space before the initial <?php opening tag which caused the error! AH! sorry for being a noob!

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
查看更多回答(1条)

报告相同问题?

悬赏问题

  • ¥15 metadata提取的PDF元数据,如何转换为一个Excel
  • ¥15 关于arduino编程toCharArray()函数的使用
  • ¥100 vc++混合CEF采用CLR方式编译报错
  • ¥15 coze 的插件输入飞书多维表格 app_token 后一直显示错误,如何解决?
  • ¥15 vite+vue3+plyr播放本地public文件夹下视频无法加载
  • ¥15 c#逐行读取txt文本,但是每一行里面数据之间空格数量不同
  • ¥50 如何openEuler 22.03上安装配置drbd
  • ¥20 ING91680C BLE5.3 芯片怎么实现串口收发数据
  • ¥15 无线连接树莓派,无法执行update,如何解决?(相关搜索:软件下载)
  • ¥15 Windows11, backspace, enter, space键失灵