PHP : imagegrabscreen() not working on PHP 7.2.27

Question

I am using 7.2.27 PHP version with Laravel 7.

Below code working on my local same configuration,

$captured = imagegrabscreen();
imagepng($captured, "~path/" . time() . ".png");
imagedestroy($captured);

But this code not working on live server it's throwing exception like, Fatal error: Uncaught Error: Call to undefined function imagegrabscreen() in ~file-path:11 Stack trace: #0 {main} thrown in ~file-path on line 11

I don't know what is the exact issue.

I also checked below answer but I don't know what is php_gd2.dll, https://stackoverflow.com/a/8715544/6656706

Edit: I also tried on AWS ec2 with xampp but not working ! I also tried by installing php_gd2.dll.

Any help will be appreciated !

Thanks.

Did you installed php-gd library right way on the server? Did you checked phpinfo() for supporting this library? — Evgeny Ruban
– Evgeny Ruban, Commented Apr 19, 2020 at 9:54
Yes, the screenshot is performed server-side of course, not client-side. — Olivier
– Olivier, Commented Apr 19, 2020 at 10:01

Olivier · Accepted Answer · 2020-04-19 09:58:20Z

3

+50

If the server is on Linux, it can't work because imagegrabscreen() is only supported on Windows:

Note:

This function is only available on Windows.

Also note that the screenshot is performed on the server. It will not capture the user screen.

answered Apr 19, 2020 at 9:58

Olivier

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6 Comments

Jaydeep Mor Over a year ago

So what about if I create instance of Windows Server 2019 ?

Olivier Over a year ago

@JaydeepMor If you call the function on a Windows Server, it will capture the screen of that server (which is probably not what you want to do).

hanshenrik Over a year ago

exceptions exist ofc, i have a windows server where i call imagegrabscreen() regurarly.. because i have a MMORPG game client running there 24/7 playing a game when i don't have time :P

Jaydeep Mor Over a year ago

Okay so any alternative way for achieve this ? Actually I need to capture user screen (Windows only).

Olivier Over a year ago

@JaydeepMor A browser can't take a screenshot. Why do you need that anyway?

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