エクステンションの組み込み状況を確認する：仕事で使える魔法のLAMP（31）

$ /opt/php-5.3.8/bin/php -a
Interactive shell
 
php >

php > phpinfo();
phpinfo()
PHP Version => 5.3.8
 
System => Linux www3026ub.sakura.ne.jp 2.6.18-274.3.1.el5 #1 SMP Tue Sep 6 20:13:52 EDT 2011 x86_64
Build Date => Nov 10 2011 08:36:29
Configure Command =>  './configure'  '--prefix=/opt/php-5.3.8' '--with-apxs2=/opt/apache-httpd-2.2.21/bin/apxs' '--enable-mbstring' '--enable-intl' '--with-icu-dir=/usr' '--with-gettext=/usr' '--with-pcre-regex=/usr' '--with-pcre-dir=/usr' '--with-readline=/usr' '--with-libxml-dir=/usr/bin/xml2-config' '--enable-soap' '--enable-wddx' '--with-xmlrpc' '--with-xsl=/usr' '--with-mysql=mysqlnd' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-zlib=/usr' '--with-zlib-dir=/usr'
Server API => Command Line Interface
Virtual Directory Support => disabled
Configuration File (php.ini) Path => /opt/php-5.3.8/lib
Loaded Configuration File => (none)
Scan this dir for additional .ini files => (none)
Additional .ini files parsed => (none)
PHP API => 20090626
PHP Extension => 20090626
Zend Extension => 220090626
Zend Extension Build => API220090626,NTS
PHP Extension Build => API20090626,NTS
Debug Build => no
Thread Safety => disabled
（以下略）

$ /opt/php-5.3.8/bin/php -r 'phpinfo();' | less

$ echo '<?php phpinfo(); ?>' | /opt/php-5.3.8/bin/php | less

$ /opt/php-5.3.8/bin/php -i | less

Core
 
PHP Version => 5.3.8
 
Directive => Local Value => Master Value
allow_call_time_pass_reference => On => On
allow_url_fopen => On => On
allow_url_include => Off => Off
always_populate_raw_post_data => Off => Off
arg_separator.input => & => &
arg_separator.output => & => &
asp_tags => Off => Off
auto_append_file => no value => no value
auto_globals_jit => On => On
auto_prepend_file => no value => no value
browscap => no value => no value
default_charset => no value => no value
default_mimetype => text/html => text/html
define_syslog_variables => Off => Off
disable_classes => no value => no value
（以下略）

mbstring
 
Multibyte Support => enabled
Multibyte string engine => libmbfl
HTTP input encoding translation => disabled
 
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
Multibyte regex (oniguruma) version => 4.7.1
 
Directive => Local Value => Master Value
mbstring.detect_order => no value => no value
mbstring.encoding_translation => Off => Off
mbstring.func_overload => 0 => 0
mbstring.http_input => pass => pass
mbstring.http_output => pass => pass
mbstring.http_output_conv_mimetypes => ^(text/|application/xhtml\+xml) => ^(text/|application/xhtml\+xml)
mbstring.internal_encoding => no value => no value
（以下略）

mysql
 
MySQL Support => enabled
Active Persistent Links => 0
Active Links => 0
Client API version => mysqlnd 5.0.8-dev - 20102224 - $Revision: 310735 $
 
Directive => Local Value => Master Value
mysql.allow_local_infile => On => On
mysql.allow_persistent => On => On
mysql.connect_timeout => 60 => 60
mysql.default_host => no value => no value
mysql.default_password => no value => no value
mysql.default_port => no value => no value
mysql.default_socket => no value => no value
mysql.default_user => no value => no value
mysql.max_links => Unlimited => Unlimited
mysql.max_persistent => Unlimited => Unlimited
mysql.trace_mode => Off => Off

PDO
 
PDO support => enabled
PDO drivers => mysql, sqlite, sqlite2
 
pdo_mysql
 
PDO Driver for MySQL => enabled
Client API version => mysqlnd 5.0.8-dev - 20102224 - $Revision: 310735 $
 
Directive => Local Value => Master Value
pdo_mysql.default_socket => /tmp/mysql.sock => /tmp/mysql.sock
 
pdo_sqlite
 
PDO Driver for SQLite 3.x => enabled
SQLite Library => 3.7.7.1

php > print_r(get_loaded_extensions());
Array
(
    [0] => Core
    [1] => date
    [2] => ereg
    [3] => libxml
    [4] => pcre
    [5] => sqlite3
    [6] => zlib
    [7] => ctype
    [8] => dom
（以下略）