Convert image to base 64 string with Laravel

Question

I want to convert an image to base 64 with Laravel. I get the image from a form . I tried this in my controller:

public function newEvent(Request $request){
    $parametre =$request->all();

    if ($request->hasFile('image')) {
        if($request->file('image')->isValid()) {
            try {
                $file = $request->file('image');
                $image = base64_encode($file);
                echo $image;


            } catch (FileNotFoundException $e) {
                echo "catch";

            }
        }
    }

I get this only:

L3RtcC9waHBya0NqQlQ=

$request->file() doesn't return the actual file content but an instance of UploadedFile. You need to load the actual file to convert it. Try: $image = base64_encode(file_get_contents($request->file('image')->path())); — M. Eriksson
– M. Eriksson, Commented Sep 13, 2017 at 21:22
for the first i think this work base64_encode(file_get_contents($request->file('image'))); — Pondikpa Tchabao
– Pondikpa Tchabao, Commented Sep 13, 2017 at 21:39
now i want to decode and save but this dont work file(base64_decode($image))->move("images", $name); — Pondikpa Tchabao
– Pondikpa Tchabao, Commented Sep 13, 2017 at 21:40

M. Eriksson · Accepted Answer · 2017-09-13 21:41:13Z

46

Laravel's $request->file() doesn't return the actual file content. It returns an instance of the UploadedFile-class.

You need to load the actual file to be able to convert it:

$image = base64_encode(file_get_contents($request->file('image')->pat‌h()));

answered Sep 13, 2017 at 21:41

M. Eriksson

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2 Comments

Biax20 Over a year ago

what is the purpose of this one? I just want to know I am little bit confused why you need to convert it?

Healyhatman Over a year ago

@Biax20 they might want to store it in the database as a string, just as one example

C47 · Accepted Answer · 2018-10-10 23:28:14Z

27

It worked for me in the following way:

$image = base64_encode(file_get_contents($request->file('image')));

I eliminated this part ->pat‌h();

answered Oct 10, 2018 at 23:28

C47

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1 Comment

Sreekuttan Over a year ago

When I tried this, I got this error : "file_get_contents(): Filename cannot be empty".

Alimon Karim · Accepted Answer · 2023-01-08 05:47:10Z

3

Don't forget to append file type.

Example for pdf :

$file = "data:@file/pdf;base64,".base64_encode(file_get_contents($request->file('image')));

Example for image :

$file = "data:image/png;base64,".base64_encode(file_get_contents($request->file('image')));

answered Jan 8, 2023 at 5:47

Alimon Karim

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Comments

Nazmul Haque · Accepted Answer · 2023-07-06 07:36:30Z

0

//html code
<input type="file" name="EmployeeImage">

//laravel controller or PHP code
$file = $request->file('EmployeeImage');
$image = base64_encode(file_get_contents($file)); 

// display base64 image
echo '<img src="data:image/png;base64,' . $image . '" />'; exit();

answered Jul 6, 2023 at 7:36

Nazmul Haque

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