如何将上传的图像始终转换为JPG格式? [英] How to convert uploaded images always into JPG format?
本文介绍了如何将上传的图像始终转换为JPG格式?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我只是上传了:
$ path ="uploads/";
$path = "uploads/";
$actual_image_name = time().$session_id.".".$ext;
$tmp = $_FILES['photoimg']['tmp_name'];
move_uploaded_file($tmp, $path.$actual_image_name);
如何为该功能添加imagejpeg?我希望始终以JPG格式保存图像.
How can i add for this function imagejpeg? I would like always save image with JPG format.
推荐答案
尝试一下:
<?php
$path = "uploads/";
$img = $_FILES['photoimg']['tmp_name'];
$dst = $path . $_FILES['photoimg']['name'];
if (($img_info = getimagesize($img)) === FALSE)
die("Image not found or not an image");
$width = $img_info[0];
$height = $img_info[1];
switch ($img_info[2]) {
case IMAGETYPE_GIF : $src = imagecreatefromgif($img); break;
case IMAGETYPE_JPEG : $src = imagecreatefromjpeg($img); break;
case IMAGETYPE_PNG : $src = imagecreatefrompng($img); break;
default : die("Unknown filetype");
}
$tmp = imagecreatetruecolor($width, $height);
imagecopyresampled($tmp, $src, 0, 0, 0, 0, $width, $height, $width, $height);
imagejpeg($tmp, $dst.".jpg");
?>
这篇关于如何将上传的图像始终转换为JPG格式?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文