PHP 致命错误:调用未定义的函数 json_decode() [英] PHP Fatal error: Call to undefined function json_decode()
问题描述
Apache 正在记录 PHP 致命错误:调用未定义的函数 json_decode().经过一番谷歌搜索，似乎这个问题是没有最新版本的 php 的结果.奇怪的是，运行 php --version 输出
Apache is logging PHP Fatal error: Call to undefined function json_decode(). After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
PHP 5.5.1-2+debphp.org~precise+2 (cli) (built: Aug 6 2013 10:49:43)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies
with Zend OPcache v7.0.2-dev, Copyright (c) 1999-2013, by Zend Technologies
with Xdebug v2.2.3, Copyright (c) 2002-2013, by Derick Rethans
清楚地表明我的 php 版本高于 5.1.
Clearly showing that my php version is greater than 5.1.
关于什么可能导致这种情况的任何想法，或找出解决办法的步骤?
Any ideas as to what could cause this, or the steps to take to find out?
脚本回显 phpversion 的结果是 5.5.1-2+debphp.org~precise
The result of a script echoing phpversion is 5.5.1-2+debphp.org~precise
phpinfo() 的结果也是 PHP Version 5.5.1-2+debphp.org~precise+2
此外，在 phpinfo() 中，它列出了模块 JSON 和模块作者(Omar Kilani、Scott MacVicar).
Furthermore, in the phpinfo(), it lists the module JSON and the module authors (Omar Kilani, Scott MacVicar).
推荐答案
使用 Ubuntu?
简答:
sudo apt-get install php7.2-json
(或 php7.1-json 或 php5-json 取决于您运行的 PHP 版本)
(or php7.1-json or php5-json depending on the PHP version you're running)
当然确保你重新启动Apache:
sudo service apache2 restart
或者如果您使用的是 PHP-FPM:
Or if you are using PHP-FPM:
sudo service php7.2-fpm restart
(或 php7.1-fpm 或 php5-fpm)
由于许可证冲突，Debian 从 PHP 5.5rc2 起删除了之前的 JSON 扩展.
Debian has removed the previous JSON extension as of PHP 5.5rc2 due to a license conflict.
JSON 许可 有一个条款规定:
本软件应用于善而不是恶.
The Software shall be used for Good, not Evil.
这会导致 自由软件基金会对自由软件的定义出现问题，该定义指出:
This causes a problem with Free Software Foundation's definition of free software which states:
出于任何目的运行程序的自由(自由度 0).
The freedom to run the program, for any purpose (freedom 0).
FSF 继续特别将 JSON 许可列为非自由.
是的，这看起来有点傻.尽管如此，Debian 已经删除了不兼容的 JSON 扩展，而是提供了一个 替换扩展，即功能等效.
Yes it seems a bit silly. Nevertheless Debian has removed the non-compliant JSON extension, and instead offered a replacement extension that is functionally equivalent.
需要明确的是:PHP 本身并没有删除 JSON，它的 仍在师父.这是发行版/包管理器问题.
To be clear: PHP itself has NOT removed JSON, it's still in master. This is a distro / package manager issue.
我们没有删除 json，我们永远不会发布没有内置 json 支持的 php 版本.5.5 中的任何更改都是由于您使用的发行版包装，我们无法控制.
We have not removed json and we will never release a version of php without json support built in. Any changes in 5.5 is due to whatever distro packaging you are using which we have no control over.
更多详情
http://iteration99.com/2013/php-json-licensing-and-php-5-5/
http://liorkaplan.wordpress.com/2013/06/01/bye-bye-non-free-php-json-extension/
https://bugs.php.net/bug.php?id=63520
http://philsturgeon.co.uk/blog/2013/08/fud-cracker-php-55-never-lost-json-support
这篇关于PHP 致命错误:调用未定义的函数 json_decode()的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
