Unable to load dynamic library '/usr/lib64/php/modules/json.so'

[root@slave modules]# php -m
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/json.so' - /usr/lib64/php/modules/json.so: undefined symbol: ZVAL_DELREF in Unknown on line 0

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/json.so' - /usr/lib64/php/modules/json.so: undefined symbol: ZVAL_DELREF in Unknown on line 0




[root@slave php-json-ext-1.2.1]# vi JSON_parser.c 
/* JSON_parser.c */


/* 2005-12-30 */


/*
Copyright (c) 2005 JSON.org
………………

#include "JSON_parser.h"
#include <stdio.h>


#define true  1
#define false 0


/*
    Characters are mapped into these 32 symbol classes. This allows for    significant reductions in the size of the state transition table.
*/


/* error */#define S_ERR -1
#define ZVAL_DELREF Z_DELREF_P      加入这一行
/* space */
#define S_SPA 0


/* other whitespace */
#define S_WSP 1


/* {  */
#define S_LBE 2
"JSON_parser.c" 757L, 21504C written
[root@slave php-json-ext-1.2.1]# phpize 
Configuring for:
PHP Api Version:         20090626
Zend Module Api No:      20090626
Zend Extension Api No:   220090626

[root@slave php-json-ext-1.2.1]# ./configure 
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for cc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ISO C89... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking whether cc understands -c and -o together... yes
checking for system library directory... lib
………………………………
checking whether to build shared libraries... yes
checking whether to build static libraries... no
configure: creating ./config.status
config.status: creating config.h
config.status: executing libtool commands
[root@slave php-json-ext-1.2.1]# make 
/bin/sh /tmp/php-json-ext-1.2.1/libtool --mode=compile cc  -I. -I/tmp/php-json-ext-1.2.1 -DPHP_ATOM_INC -I/tmp/php-json-ext-1.2.1/include -I/tmp/php-json-ext-1.2.1/main -I/tmp/php-json-ext-1.2.1 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib  -DHAVE_CONFIG_H  -g -O2   -c /tmp/php-json-ext-1.2.1/utf8_to_utf16.c -o utf8_to_utf16.lo 
libtool: compile:  cc -I. -I/tmp/php-json-ext-1.2.1 -DPHP_ATOM_INC -I/tmp/php-json-ext-1.2.1/include -I/tmp/php-json-ext-1.2.1/main -I/tmp/php-json-ext-1.2.1 -………………………………
   - add LIBDIR to the `LD_RUN_PATH' environment variable
     during linking
   - use the `-Wl,-rpath -Wl,LIBDIR' linker flag
   - have your system administrator add LIBDIR to `/etc/ld.so.conf'


See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------


Build complete.
Don't forget to run 'make test'.


[root@slave php-json-ext-1.2.1]# make install 
Installing shared extensions:     /usr/lib64/php/modules/
[root@slave php-json-ext-1.2.1]# /etc/init.d/httpd restart
Stopping httpd:                                           [  OK  ]
Starting httpd:                                           [  OK  ]

echo "extensio=json.so" >> /etc/php.ini
[root@slave php-json-ext-1.2.1]# php -m
PHP Warning:  Module 'json' already loaded in Unknown on line 0
[PHP Modules]
bz2
calendar
Core
ctype
curl
date
ereg
exif
fileinfo
filter
ftp
gettext
gmp
hash
iconv
json
libxml
memcache
mysql
mysqli
openssl
pcntl
pcre
PDO
pdo_mysql
pdo_sqlite
Phar
readline
Reflection
session
shmop
SimpleXML
sockets
SPL
sqlite3
standard
tokenizer
xml
zip
zlib



/etc/init.d/httpd restart即可

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