我正在使用效果很好的上传脚本：
ini_set('memory_limit', '256M');
function uploadImage($files_name, $files_tmp_name, $files_error, $files_type, $uploaded_photos_array, $image_type, $replace_position='69') { //Checks if the file uploaded correctly, saves the folder name to the DB, and calls the resizeAndPlaceFile 3 times
global $address;
//If the directory doesn't exist, create it
if (!is_dir('../images/uploads/temp/'.$address)) {
mkdir('../images/uploads/temp/'.$address);
}
$myFile_original = $files_name; //Store the filename into a variable
//Change the filename so it is unique and doesn't contain any spaces and is all lowercase
$myFile = str_replace(' ', '_', $myFile_original); //change all spaces to underscores within a file name
$myFile = strtolower($myFile); //Make all characters lowercase
//$anyNum = rand(20,500789000); //Generate a random number between 20 and 500789000
//$newFileName = $anyNum.'_'.$myFile; //Combine the random number with the filename to create a unique filename
$newFileName = $myFile;
$info = pathinfo($newFileName); //Finds the extension of the filename
$directory_name = basename($newFileName,'.'.$info['extension']); //Removes the extension from the filename to use as the name of the directory
$folder = '../images/uploads/temp/'.$address.'/'.$directory_name.'/'; //Folder to upload to
//If the directory doesn't exist, create it
if (!is_dir($folder)) {
mkdir($folder);
}
//===Check if the File already exists========
if (file_exists($folder.'large.jpg')) {
echo $myFile_original." already exists.";
} //******If file already exists in your Folder, It will return zero and Will not take any action===
else { //======Otherwise File will be stored in your given directory and Will store its name in Database===
//copy($_FILES['fileField']['tmp_name'],$folder.$newFileName); //===Copy File Into your given Directory,copy(Source,Destination)
// Check if file was uploaded ok
if(!is_uploaded_file($files_tmp_name) || $files_error !== UPLOAD_ERR_OK) {
exit('There was a problem uploading the file. Please try again.');
} else {
/*
$sql = 'INSERT into tblfileupload SET
file_name = "'.$folder.'"';
$result = $conn->query($sql) or die($conn->error);
if($result > 0) { //====$res will be greater than 0 only when File is uploaded Successfully====:)
echo 'You have Successfully Uploaded File';
}
*/
if(!function_exists('resizeAndPlaceFile')){
function resizeAndPlaceFile($image_size, $files_tmp_name, $files_type, $folder) { //Resizes the uploaded file into different sizes
//echo '<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />The resizeAndPlaceFile function is being called!';
// Create image from file
switch(strtolower($files_type)) {
case 'image/jpeg':
$image = imagecreatefromjpeg($files_tmp_name);
break;
case 'image/png':
$image = imagecreatefrompng($files_tmp_name);
break;
case 'image/gif':
$image = imagecreatefromgif($files_tmp_name);
break;
default:
exit('Unsupported type: '.$files_type);
}
// Get current dimensions
$old_width = imagesx($image);
$old_height = imagesy($image);
// Target dimensions for large version
switch($image_size) {
case 'large':
$max_width = '600'; //Large Photo (Listing Page)
break;
case 'medium':
$max_width = '157'; //Medium Photo (Dashboard)
break;
case 'thumbnail':
$max_width = '79'; //Small Photo (Listing Page - Thumbnail)
break;
}
if($max_width > $old_width) {
$max_width = $old_width;
}
$max_height = ($old_height/$old_width)* $max_width;
// Get current dimensions
$old_width = imagesx($image);
$old_height = imagesy($image);
// Calculate the scaling we need to do to fit the image inside our frame
$scale = min($max_width/$old_width, $max_height/$old_height);
// Get the new dimensions
$new_width = ceil($scale*$old_width);
$new_height = ceil($scale*$old_height);
// Create new empty image
$new = imagecreatetruecolor($new_width, $new_height);
// Resize old image into new
imagecopyresampled($new, $image, 0, 0, 0, 0, $new_width, $new_height, $old_width, $old_height);
//Output the image to a file
imagejpeg($new, $folder.$image_size.'.jpg',100);
// Destroy resources
imagedestroy($image);
imagedestroy($new);
} //end function resizeAndPlaceFile
} //end if !function_exists['resizeAndPlaceFile']
resizeAndPlaceFile('large',$files_tmp_name, $files_type, $folder); //Large Photo (List Page)
resizeAndPlaceFile('medium',$files_tmp_name, $files_type, $folder); //Medium Photo (Dashboard)
resizeAndPlaceFile('thumbnail',$files_tmp_name, $files_type, $folder); //Small Photo (List Page - Thumbnail)
if($image_type == 'replace') { //If this is being run for a replace, then replace one of the values instead of adding it to the end of the array
$uploaded_photos_array[$replace_position] = $folder; //This replaces the value of the old image with the new image
} else if($image_type == 'initial') { //otherwise, add it to the end of the array
array_push($uploaded_photos_array,$folder);
}
return $uploaded_photos_array;
} //end else
} //end else
} //end function uploadImage
当我尝试上传任何超过2.1mb的文件时，它不会上传文件，也不会显示任何错误，所以我不知道为什么它不起作用。为什么我的上传表格不能使用php上传超过2.1mb的文件？
答案 0 :(得分：3)
检查并更改以下php.ini说明：
memory_limit = 32M
upload_max_filesize = 10M
post_max_size = 20M
答案 1 :(得分：1)
在php.ini中更新这些参数
upload_max_filesize
post_max_size
答案 2 :(得分：0)
您无法从php脚本更改最大文件上传大小。你应该在php.ini文件中更改为 upload_max_filesize = 30M post_max_size = 30M
有些主机不允许更改php.ini（在共享主机的情况下），你应该使用.htaccess并使用以下 php_value upload_max_filesize 30M