php 下令参数

Jun 13, 2016 pm 01:22 PM
gt php script

php 命令参数
http://www.php.net/manual/zh/features.commandline.php

-f --file 解析并运行 -f 选项给定的文件名。该参数为可选参数,可以省略,仅指明需要运行的文件名即可。



以下是 PHP 二进制文件(即 php.exe 程序)提供的命令行模式的选项参数,您随时可以通过 PHP -h 命令来查询这些参数。


Usage: php [options] [-f] [args...]

php [options] -r DE>[args...] DE>

php [options] [-- args...]

-s Display colour syntax highlighted source.

-w Display source with stripped comments and whitespace.

-f Parse .

-v Version number

-c | Look for php.ini file in this directory

-a Run interactively

-d foo[=bar] Define INI entry foo with value 'bar'

-e Generate extended information for debugger/profiler

-z Load Zend extension .

-l Syntax check only (lint)

-m Show compiled in modules

-i PHP information

-r DE>Run PHP DE>without using script tags DE>DE>

-h This help


args... Arguments passed to script. Use -- args when first argument

starts with - or script is read from stdin


CLI SAPI 模块有以下三种不同的方法来获取您要运行的 PHP 代码:


1.


让 PHP 运行指定文件。


php my_script.php


php -f my_script.php


以上两种方法(使用或不使用 -f 参数)都能够运行给定的 my_script.php 文件。您可以选择任何文件来运行,您指定的 PHP 脚本并非必须要以 .php 为扩展名,它们可以有任意的文件名和扩展名。

2.


在命令行直接运行 PHP 代码。


php -r 'print_r(get_defined_constants());'


在使用这种方法时,请您注意外壳变量的替代及引号的使用。


注: 请仔细阅读以上范例,在运行代码时没有开始和结束的标记符!加上 -r 参数后,这些标记符是不需要的,加上它们会导致语法错误。


3.


通过标准输入(stdin)提供需要运行的 PHP 代码。


以上用法给我们提供了非常强大的功能,使得我们可以如下范例所示,动态地生成 PHP 代码并通过命令行运行这些代码:


$ some_application | some_filter | php | sort -u >final_output.txt


以上三种运行代码的方法不能同时使用。

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