如何在 php 中创建文件夹并将图像保存在我的服务器上？

Question

Below I have left my code. It currently works in my development environment (localhost), but when I push the changes to my live server it seems like my php doesn't create the folder/file.

public static function saveImage($image, $name, $path = '')
{
    $img_data = explode(',', $image);
    $mime = explode(';', $img_data[0]);
    $data = $img_data[1];
    $extension = explode('/', $mime[0])[1];
    if(!file_exists('../public/media/img/' . $path)){
        mkdir('../public/media/img/' . $path, 0755);
        echo('Test1');
    }
    echo('test2');
    file_put_contents('../public/media/img/' . $path . $name . '.' . $extension, base64_decode($data));
    return 'media/img/' . $path . $name . '.' . $extension;
}

Locally it will hit echo('test1') the first time, then it will only hit echo('test2'). When its on the server it always hits the echo('test1')

Answer 1

By default mkdir is not create a path recursively. An example if on your server you dont have a ../public/media folder, mkdir returns false and dont create a path. To solve this pass a third parameter to mkdir as true:

mkdir('../public/media/img/' . $path, 0755, true);

Answer 2

Do yourself a favour and use absolute pathes...

You can use the constant __DIR__ to evaluate the folder in which the script actually resides. Relative pathes are calculated from the current working directory, which can be different than __DIR__