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I am trying to save a png image, and when I run the error script:
Fatal error: Uncaught Error: Call to undefined function imagecreatefrompng()
But from what I’ve seen, this function is native to PHP:
https://secure.php.net/manual/en/function.imagecreatefrompng.php
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This function is part of the library php-gd.
You need to install it on your machine to make use of it.
yum install php-gd # CentOS
apt-get install php7-gd # Ubuntu
I’m using windows at the moment, where do I see it?
Try editing the php.ini file and looking for something like ;extension=php_gd2 if it exists it removes the ; and restarts the apache
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With the help of lazyFox and bfavaretto I found the problem:
I took a look at my info.php that I created and put in the root folder:
<?php
phpinfo();
?>
And I consulted through the GD library and it really was disabled.
What I did was on Windows, on Linux I added below:
I got into my php.ini and edited the line containing the GD2 extension:
After this restart the server (Apache, Nginx, php -S)
On Linux just install the library with the dependency manager:
yum install php-gd # CentOS
apt-get install php7-gd # Ubuntu
After this restart the service (Apache, Nginx, php -S)
Then just to check, I entered again in info.php and really was enabled and worked my function:
the ones you put in? only that command already downloads the extension and configures php.ini in linux?
Yes, just re-start the apache service.
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This function is part of the GD library, it should not be installed. Check your php info.
– bfavaretto