PHP 致命错误：仅在 Eclipse 中调用未定义的函数 json_decode()

PHP Fatal error: Call to undefined function json_decode() ONLY in eclipse

提问by Spider

thanks for your viewing my question first! I have tried the similar post PHP Fatal error: Call to undefined function json_decode()and googled a lot, but I still cannot fix my problem.

感谢您首先查看我的问题！我已经尝试过类似的帖子PHP Fatal error: Call to undefined function json_decode()并在谷歌上搜索了很多，但我仍然无法解决我的问题。

Currently, the problem is only happening in the Ecplise. The php works well with json_decode() in Terminal.

目前，这个问题只发生在 Ecplise 中。php 与终端中的 json_decode() 配合良好。

Following are the details:

以下是详细信息：

When I tried to run the code in Eclipse,

当我尝试在 Eclipse 中运行代码时，

<?php
$arr = array('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5);
echo json_encode($arr);
?>

I got the error: " PHP Fatal error: Call to undefined function json_encode()".

我收到错误消息：“PHP 致命错误：调用未定义的函数 json_encode()”。

However, when I run the code file in terminal, it works perfectly. So I guess it could be caused by the PHP interpreter in Eclipse. Then I found I have both usr/bin/php and user/bin/php5, I tried both, but none of them is working in the eclipse:

但是，当我在终端中运行代码文件时，它运行良好。所以我猜这可能是由 Eclipse 中的 PHP 解释器引起的。然后我发现我有 usr/bin/php 和 user/bin/php5，我都试过了，但它们都没有在 eclipse 中工作：

My System:Ubuntu 14.04 Eclipse version:Version: Mars.2 Release (4.5.2)

我的系统：Ubuntu 14.04 Eclipse 版本：版本：Mars.2 Release (4.5.2)

whereis php:

php在哪里：

php: /usr/bin/php /usr/bin/X11/php /usr/share/php /usr/share/man/man1/php.1.gz

php --version:

php --version:

PHP 5.5.9-1ubuntu4.16 (cli) (built: Apr 20 2016 14:31:27) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
    with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies

Tried to install php5-json: sudo apt-get install php5-json

尝试安装 php5-json： sudo apt-get install php5-json

Reading package lists... Done
Building dependency tree       
Reading state information... Done
php5-json is already the newest version.
The following packages were automatically installed and are no longer required:
  libjna-java libntdb1 libopts25 ntp python-ntdb python-support
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

Ran phpinfo() in Ecplise:

在 Ecplise 中运行 phpinfo()：

 phpinfo()
PHP Version => 5.5.9-1ubuntu4.16

System => Linux Fighting 4.2.0-35-generic #40~14.04.1-Ubuntu SMP Fri Mar 18 16:37:35 UTC 2016 x86_64
Build Date => Apr 20 2016 14:28:36
Server API => Command Line Interface
Virtual Directory Support => disabled
Configuration File (php.ini) Path => /etc/php5/cli
Loaded Configuration File => /tmp/php-ini/session3358273589804064308.tmp/php.ini
Scan this dir for additional .ini files => (none)
Additional .ini files parsed => (none)
PHP API => 20121113
PHP Extension => 20121212
Zend Extension => 220121212
Zend Extension Build => API220121212,NTS
PHP Extension Build => API20121212,NTS
Debug Build => no
Thread Safety => disabled
Zend Signal Handling => disabled
Zend Memory Manager => enabled
Zend Multibyte Support => provided by mbstring
IPv6 Support => enabled
DTrace Support => enabled

Registered PHP Streams => https, ftps, compress.zlib, compress.bzip2, php, file, glob, data, http, ftp, phar, zip
Registered Stream Socket Transports => tcp, udp, unix, udg, ssl, sslv3, tls
Registered Stream Filters => zlib.*, bzip2.*, convert.iconv.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk

This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies


 _______________________________________________________________________


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ctype

ctype functions => enabled

date

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"Olson" Timezone Database Version => 0.system
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dba

DBA support => enabled
Supported handlers => cdb cdb_make db4 inifile flatfile 

Directive => Local Value => Master Value
dba.default_handler => flatfile => flatfile

dom

DOM/XML => enabled
DOM/XML API Version => 20031129
libxml Version => 2.9.1
HTML Support => enabled
XPath Support => enabled
XPointer Support => enabled
Schema Support => enabled
RelaxNG Support => enabled

ereg

Regex Library => Bundled library enabled

exif

EXIF Support => enabled
EXIF Version => 1.4 $Id$
Supported EXIF Version => 0220
Supported filetypes => JPEG,TIFF

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fileinfo

fileinfo support => enabled
version => 1.0.5-dev

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Revision => $Id: 4d3899e089e6e45b157975ceef2ac7deb6e9d762 $

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ftp

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gettext

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hash

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iconv

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iconv implementation => glibc
iconv library version => 2.19

Directive => Local Value => Master Value
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libxml

libXML support => active
libXML Compiled Version => 2.9.1
libXML Loaded Version => 20901
libXML streams => enabled

mbstring

Multibyte Support => enabled
Multibyte string engine => libmbfl
HTTP input encoding translation => disabled
libmbfl version => 1.3.2

mbstring extension makes use of "streamable kanji code filter and converter", which is distributed under the GNU Lesser General Public License version 2.1.

Multibyte (japanese) regex support => enabled
Multibyte regex (oniguruma) backtrack check => On
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Directive => Local Value => Master Value
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mhash

MHASH support => Enabled
MHASH API Version => Emulated Support

openssl

OpenSSL support => enabled
OpenSSL Library Version => OpenSSL 1.0.1f 6 Jan 2014
OpenSSL Header Version => OpenSSL 1.0.1f 6 Jan 2014

pcntl

pcntl support => enabled

pcre

PCRE (Perl Compatible Regular Expressions) Support => enabled
PCRE Library Version => 8.31 2012-07-06

Directive => Local Value => Master Value
pcre.backtrack_limit => 1000000 => 1000000
pcre.recursion_limit => 100000 => 100000

Phar

Phar: PHP Archive support => enabled
Phar EXT version => 2.0.2
Phar API version => 1.1.1
SVN revision => $Id: a5488937a80433d434af6753d3db8517feaf91df $
Phar-based phar archives => enabled
Tar-based phar archives => enabled
ZIP-based phar archives => enabled
gzip compression => enabled
bzip2 compression => enabled
OpenSSL support => enabled


Phar based on pear/PHP_Archive, original concept by Davey Shafik.
Phar fully realized by Gregory Beaver and Marcus Boerger.
Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle.
Directive => Local Value => Master Value
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posix

Revision => $Id: 1dfa9997ed76804e53c91e0ce862f3707617b6ed $

Reflection

Reflection => enabled
Version => $Id: 31d836a7ac92a37b5c580836d91ad4736fe2f376 $

session

Session Support => enabled
Registered save handlers => files user 
Registered serializer handlers => php_serialize php php_binary wddx 

Directive => Local Value => Master Value
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session.upload_progress.name => PHP_SESSION_UPLOAD_PROGRESS => PHP_SESSION_UPLOAD_PROGRESS
session.upload_progress.prefix => upload_progress_ => upload_progress_
session.use_cookies => On => On
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session.use_strict_mode => Off => Off
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shmop

shmop support => enabled

SimpleXML

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Revision => $Id: 363ea1fc44b0b7775e2ec3ce8456530fec6d1660 $
Schema support => enabled

soap

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Soap Server => enabled

Directive => Local Value => Master Value
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soap.wsdl_cache_dir => /tmp => /tmp
soap.wsdl_cache_enabled => 1 => 1
soap.wsdl_cache_limit => 5 => 5
soap.wsdl_cache_ttl => 86400 => 86400

sockets

Sockets Support => enabled

SPL

SPL support => enabled
Interfaces => Countable, OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject
Classes => AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException

standard

Dynamic Library Support => enabled
Path to sendmail => /usr/sbin/sendmail -t -i 

Directive => Local Value => Master Value
assert.active => 1 => 1
assert.bail => 0 => 0
assert.callback => no value => no value
assert.quiet_eval => 0 => 0
assert.warning => 1 => 1
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default_socket_timeout => 60 => 60
from => no value => no value
url_rewriter.tags => a=href,area=href,frame=src,input=src,form=fakeentry => a=href,area=href,frame=src,input=src,form=fakeentry
user_agent => no value => no value

sysvmsg

sysvmsg support => enabled
Revision => $Id: adf1d2d6be849c46eed3c3ee6f1cbebd1448d6e5 $

tokenizer

Tokenizer Support => enabled

wddx

WDDX Support => enabled
WDDX Session Serializer => enabled

xml

XML Support => active
XML Namespace Support => active
libxml2 Version => 2.9.1

xmlreader

XMLReader => enabled

xmlwriter

XMLWriter => enabled

zip

Zip => enabled
Extension Version => $Id: 05dd1ecc211075107543b0ef8cee488dd229fccf $
Zip version => 1.11.0
Libzip version => 0.10.1

zlib

ZLib Support => enabled
Stream Wrapper => compress.zlib://
Stream Filter => zlib.inflate, zlib.deflate
Compiled Version => 1.2.8
Linked Version => 1.2.8

Directive => Local Value => Master Value
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Additional Modules

Module Name
sysvsem
sysvshm

Environment

Variable => Value
LD_LIBRARY_PATH => /usr/lib

PHP Variables

Variable => Value
_SERVER["LD_LIBRARY_PATH"] => /usr/lib
_SERVER["PHP_SELF"] => /home/spider/workspace/AWS/t.php
_SERVER["SCRIPT_NAME"] => /home/spider/workspace/AWS/t.php
_SERVER["SCRIPT_FILENAME"] => /home/spider/workspace/AWS/t.php
_SERVER["PATH_TRANSLATED"] => /home/spider/workspace/AWS/t.php
_SERVER["DOCUMENT_ROOT"] => 
_SERVER["REQUEST_TIME_FLOAT"] => 1461663272.596
_SERVER["REQUEST_TIME"] => 1461663272
_SERVER["argv"] => Array
(
    [0] => /home/spider/workspace/AWS/t.php
)

_SERVER["argc"] => 1

PHP License
This program is free software; you can redistribute it and/or modify
it under the terms of the PHP License as published by the PHP Group
and included in the distribution in the file:  LICENSE

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

If you did not receive a copy of the PHP license, or have any
questions about PHP licensing, please contact [email protected].

Looking forward to your reply and thanks for your time so much!!!

期待您的回复，非常感谢您的时间！！！

Sincerely

真挚地

采纳答案by Spider

Finally, I found the problem is I have installed two PHP somehow. So after I uninstall one of them by "sudo apt-get remove php5-json" and find the another executable PHP file in Eclipse, then problem is solved!

最后，我发现问题是我以某种方式安装了两个 PHP。所以在我通过“sudo apt-get remove php5-json”卸载其中一个并在Eclipse中找到另一个可执行的PHP文件后，问题就解决了！

In conclusion, I think the best way to fix this kind of problem is to reinstall it! Thanks for the help from Marcin Orlowski. Good luck, guy!

总之，我认为解决此类问题的最佳方法是重新安装它！感谢 Marcin Orlowski 的帮助。祝你好运，伙计！

回答by Marcin Orlowski

You need to check config files loaded by PHP, because the fact extension is intalled does not automatically mean it cannot be disabled. So inspect:

您需要检查 PHP 加载的配置文件，因为事实扩展被安装并不意味着它不能被禁用。所以检查：

Loaded Configuration File => /etc/php5/cli/php.ini
Scan this dir for additional .ini files => /etc/php5/cli/conf.d
Additional .ini files parsed => /etc/php5/cli/conf.d/05-opcache.ini,
/etc/php5/cli/conf.d/10-pdo.ini,
/etc/php5/cli/conf.d/20-json.ini,
/etc/php5/cli/conf.d/20-readline.ini

especially this one:

特别是这个：

/etc/php5/cli/conf.d/20-json.ini

and uncomment the zend_extension=...line in case it is commented out (or not present)

并取消注释该zend_extension=...行，以防它被注释掉（或不存在）

EDIT

编辑

I just realised that what you included in your question as php state info may not come from the same PHP your Eclipse is using. To ensure we are not looking at something different, run this script via eclipse

我刚刚意识到您在问题中作为 php 状态信息包含的内容可能与您的 Eclipse 使用的 PHP 不同。为确保我们没有看到不同的东西，请通过 eclipse运行此脚本

<?php
phpinfo();

and see what you got JSON related there (if there's JSON extension listed). Also check what php.iniis listed.

并查看您在那里获得的 JSON 相关内容（如果列出了 JSON 扩展名）。还要检查php.ini列出的内容。

回答by Limag

Check "Window->Preferences->Installed PHPs" checkbox "Use system default php.ini configuration" must be enabled. And I had to setup "apt install php-json" on my Ubuntu.

选中“Window->Preferences->Installed PHPs”复选框“Use system default php.ini configuration”必须被启用。我必须在我的 Ubuntu 上设置“apt install php-json”。