扩展 gd 在您的系统-laravel 作曲家更新中丢失

我通过编写器(composer require barryvdh/laravel-dompdf)在 Laravel 项目中新安装了 Dompdf。

Problem 1
- dompdf/dompdf v0.7.0 requires ext-gd * -> the requested PHP extension gd is missing from your system.
- barryvdh/laravel-dompdf v0.7.0 requires dompdf/dompdf ^0.7 -> satisfiable by dompdf/dompdf[v0.7.0].
- Installation request for barryvdh/laravel-dompdf ^0.7.0 -> satisfiable by barryvdh/laravel-dompdf[v0.7.0].


To enable extensions, verify that they are enabled in those .ini files:
- /etc/php/5.6/cli/php.ini
- /etc/php/5.6/cli/conf.d/10-opcache.ini
- /etc/php/5.6/cli/conf.d/10-pdo.ini
- /etc/php/5.6/cli/conf.d/15-xml.ini
- /etc/php/5.6/cli/conf.d/20-calendar.ini
- /etc/php/5.6/cli/conf.d/20-ctype.ini
- /etc/php/5.6/cli/conf.d/20-dom.ini
- /etc/php/5.6/cli/conf.d/20-exif.ini
- /etc/php/5.6/cli/conf.d/20-fileinfo.ini
- /etc/php/5.6/cli/conf.d/20-ftp.ini
- /etc/php/5.6/cli/conf.d/20-gettext.ini
- /etc/php/5.6/cli/conf.d/20-iconv.ini
- /etc/php/5.6/cli/conf.d/20-json.ini
- /etc/php/5.6/cli/conf.d/20-mbstring.ini
- /etc/php/5.6/cli/conf.d/20-phar.ini
- /etc/php/5.6/cli/conf.d/20-posix.ini
- /etc/php/5.6/cli/conf.d/20-readline.ini
- /etc/php/5.6/cli/conf.d/20-shmop.ini
- /etc/php/5.6/cli/conf.d/20-simplexml.ini
- /etc/php/5.6/cli/conf.d/20-sockets.ini
- /etc/php/5.6/cli/conf.d/20-sysvmsg.ini
- /etc/php/5.6/cli/conf.d/20-sysvsem.ini
- /etc/php/5.6/cli/conf.d/20-sysvshm.ini
- /etc/php/5.6/cli/conf.d/20-tokenizer.ini
- /etc/php/5.6/cli/conf.d/20-wddx.ini
- /etc/php/5.6/cli/conf.d/20-xmlreader.ini
- /etc/php/5.6/cli/conf.d/20-xmlwriter.ini
- /etc/php/5.6/cli/conf.d/20-xsl.ini
You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

如何解决此错误

我已经使用以下注释安装了 GD。sudo apt-get install php5-gd和 Apache 服务器重新启动。我的 Laravel 版本是5.3，而 Ubuntu 版本是14.04

233965 次浏览
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It may not be enabled for php-cli, you can enable like this;

sudo phpenmod gd

UPDATE

I guess, you are using ppa:ondrej php package (5.6), which is confusing you with default ubuntu 14.04 php package (5.5.9).

To install php 5.6 gd library from ppa:ondrej, you should use:

sudo apt-get install php5.6-gd
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The solution is quite simple.

In your php.ini, just uncomment the line extension=php_gd2.dll (or .so extension for unix systems.)

Hope it helps.

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I have installed php7, I did the following to solve exactly the same error

sudo apt-get install php7.0-gd
sudo apt-get install php7.0-intl
sudo apt-get install php7.0-xsl
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Open your php.ini and uncomment this line:

;extension=php_gd2.dll

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If you are working in PHP version 5.* then you have to install 

sudo apt-get install php5-gd

And if you are working in PHP version 7.* then you have to install

sudo apt-get install php7.0-gd

Hope it will work...

And if you are working in PHP version 7.2 then you have to install

sudo apt-get install php7.2-gd... it worked for me
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For php 7.1

sudo apt-get install php7.1-gd

Cheers!

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Using Manjaro(Arch) Linux:

$ sudo pacman -S php-gd

In file /etc/php/php-ini, add the line:

extension=gd.so
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On CentOS 7, try running following command:

sudo yum install php72u-gd.x86_64
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if you are working in PHP version 7.2 then you have to install

sudo apt-get install php7.2-gd
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Before installing the missing dependency, you need to check which version of PHP is installed on your system.

php -v
PHP 7.2.10-0ubuntu0.18.04.1 (cli) (built: Sep 13 2018 13:45:02) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.2.10-0ubuntu0.18.04.1, Copyright (c) 1999-2018, by Zend Technologies

In this case it's php7.2. apt search php7.2 returns all the available PHP extensions.

apt search php7.2
Sorting... Done
Full Text Search... Done
libapache2-mod-php7.2/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
server-side, HTML-embedded scripting language (Apache 2 module)


libphp7.2-embed/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
HTML-embedded scripting language (Embedded SAPI library)


php-all-dev/bionic,bionic 1:60ubuntu1 all
package depending on all supported PHP development packages


php7.2/bionic-updates,bionic-updates,bionic-security,bionic-security 7.2.10-0ubuntu0.18.04.1 all
server-side, HTML-embedded scripting language (metapackage)


php7.2-bcmath/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Bcmath module for PHP


php7.2-bz2/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
bzip2 module for PHP


php7.2-cgi/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
server-side, HTML-embedded scripting language (CGI binary)


php7.2-cli/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
command-line interpreter for the PHP scripting language


php7.2-common/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
documentation, examples and common module for PHP


php7.2-curl/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed]
CURL module for PHP


php7.2-dba/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
DBA module for PHP


php7.2-dev/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Files for PHP7.2 module development


php7.2-enchant/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Enchant module for PHP


php7.2-fpm/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed]
server-side, HTML-embedded scripting language (FPM-CGI binary)


php7.2-gd/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed]
GD module for PHP


php7.2-gmp/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
GMP module for PHP


php7.2-imap/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
IMAP module for PHP


php7.2-interbase/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Interbase module for PHP


php7.2-intl/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Internationalisation module for PHP


php7.2-json/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
JSON module for PHP


php7.2-ldap/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
LDAP module for PHP


php7.2-mbstring/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
MBSTRING module for PHP


php7.2-mysql/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
MySQL module for PHP


php7.2-odbc/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
ODBC module for PHP


php7.2-opcache/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
Zend OpCache module for PHP


php7.2-pgsql/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
PostgreSQL module for PHP


php7.2-phpdbg/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
server-side, HTML-embedded scripting language (PHPDBG binary)


php7.2-pspell/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
pspell module for PHP


php7.2-readline/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed,automatic]
readline module for PHP


php7.2-recode/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
recode module for PHP


php7.2-snmp/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
SNMP module for PHP


php7.2-soap/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
SOAP module for PHP


php7.2-sqlite3/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed]
SQLite3 module for PHP


php7.2-sybase/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Sybase module for PHP


php7.2-tidy/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
tidy module for PHP


php7.2-xml/bionic-updates,bionic-security,now 7.2.10-0ubuntu0.18.04.1 amd64 [installed]
DOM, SimpleXML, WDDX, XML, and XSL module for PHP


php7.2-xmlrpc/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
XMLRPC-EPI module for PHP


php7.2-xsl/bionic-updates,bionic-updates,bionic-security,bionic-security 7.2.10-0ubuntu0.18.04.1 all
XSL module for PHP (dummy)


php7.2-zip/bionic-updates,bionic-security 7.2.10-0ubuntu0.18.04.1 amd64
Zip module for PHP

You can now proceed to installing the missing dependency by running:

sudo apt install php7.2-gd

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PHP 7.4.2 (cli) (built: Feb 5 2020 16:50:21) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies with Zend OPcache v7.4.2, Copyright (c), by Zend Technologies

For Php 7.4.2

  1. sudo apt-get install php7.4-gd
  2. sudo phpenmod gd
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For Windows : Uncomment this line in your php.ini file

;extension=php_gd2.dll

If the above step doesn't work uncomment the following line as well:

;extension=gd2
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This worked for me:

composer require "ext-gd:*" --ignore-platform-reqs
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On Local or Xampp in windows go to : C:\xampp\php\php.ini

uncomment extension=gd

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For php-8, just locate your php.ini file and uncomment the line extension=gd
Below is a picture guide for those using Xampp and Windows

Step 1: Open php.ini or locate it in your machine (C:/xampp/php/php.ini)

Open php.ini or locate it in your machine (C:/xampp/php/php.ini)

Step 2: Uncomment the line extension=gd by removing the semicolon

Uncomment the line extension=gd by removing the semicolon

Step 3: Save your file and restart your services

Save your file and restart your services

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sudo apt-get install php7.4-zip

Use your version of php. Like here I used 7.4

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As of Composer 2.0 on Arch, I use: --ignore-platform-req=ext-gd

Eg:

php composer install -n --ignore-platform-req=ext-gd

Eg: (to ignore multiple requirements)

php composer install -n --ignore-platform-req=ext-gd --ignore-platform-req=ext-ldap

Ignoring Composer requirements may be necessary because Composer may return false warnings on dependencies that are already properly installed and enabled, consider this Arch forum article:

I have installed php-gd and uncommeted extension=gd.so in /etc/php/php.ini as the wiki says

Thanks for this answer on a related Question, How to always use ignore-platform-reqs flag when running composer?

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I'm working on php 8.0.9, and I just uncomment this on php.ini in xampp/php/php.ini directory.

from

;extension=gd

to

extension=gd

and it's work normal again

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in docker I found a same problem, even after "rm /etc/apt/preferences.d/no-debian-php" then "apt update" "apt install php7.4-gd"

"php composer.phar update" error " ..... ext-gd ....." so my solution is direct using php7.4 "php7.4 composer.phar update"

and its work. I dont know why.

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It may help you

apt install php-xml

systemctl restart apache2

From reference here, you may learn in brief.

Thanks :)

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PHP VERSION - 7.3.21
WAMP SERVER


// use below command to fix ext-gd issue
// work for me
composer require "ext-gd:*" --ignore-platform-reqs phpoffice/phpspreadsheet
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CentOS

sudo yum install php-gd

Unbuntu

sudo apt install php-gd

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