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 1.php -v 查看版本号

[root@rs-2 lib]# php -v
PHP 5.5.11 (cli) (built: Apr 29 2014 12:35:52)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
2.php -h 查看帮助
3.php -m 查看安装的模块
[root@rs-2 lib]# php -m
[PHP Modules]
4.php -i 查看php信息(查看php.ini非常方便)
[root@rs-2 lib]# php -i | grep php.ini
Configuration File (php.ini) Path => /usr/local/lib
Loaded Configuration File => /usr/local/lib/php.ini
5.php --ini 显示配置文件名字
[root@rs-2 ~]# php --ini
Configuration File (php.ini) Path: /usr/local/lib
Loaded Configuration File: /usr/local/lib/php.ini
Scan for additional .ini files in: (none)
Additional .ini files parsed: (none)
6.php -f 执行php文件
[root@rs-2 phpTest]# php -f helloworld.php
更多使用技巧请看php -h
[root@rs-2 ~]# php -h
Usage: php [options] [-f] [--] [args...]
php [options] -r [--] [args...]
php [options] [-B ] -R [-E ] [--] [args...]
php [options] [-B ] -F [-E ] [--] [args...]
php [options] -S : [-t docroot]
php [options] -- [args...]
php [options] -a
-a Run interactively
-c | Look for php.ini file in this directory
-n No php.ini file will be used
-d foo[=bar] Define INI entry foo with value 'bar'
-e Generate extended information for debugger/profiler
-f Parse and execute .
-h This help
-i PHP information
-l Syntax check only (lint)
-m Show compiled in modules
-r Run PHP without using script tags
-B Run PHP before processing input lines
-R Run PHP for every input line
-F Parse and execute for every input line
-E Run PHP after processing all input lines
-H Hide any passed arguments from external tools.
-S : Run with built-in web server.
-t Specify document root for built-in web server.
-s Output HTML syntax highlighted source.
-v Version number
-w Output source with stripped comments and whitespace.
-z Load Zend extension .
args... Arguments passed to script. Use -- args when first argument
starts with - or script is read from stdin
--ini Show configuration file names
--rf Show information about function .
--rc Show information about class .
--re Show information about extension .
--rz Show information about Zend extension .
--ri Show configuration for extension .



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