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The manual page and help for the php linux command. THE PHP is a widely used general purpose scripting language that is particularly suited to web development and can be embedded in HTML. This is the command line interface that allows you to do the following: Interpret and run php files with the -f option followed by the file name. The -r option is used to execute PHP code directly, just as with the eval() function used in .php files.
Man page output
man php
php(1) Scripting Language php(1)
NAME
php - PHP Command Line Interface 'CLI'
php-cgi - PHP Common Gateway Interface 'CGI' command
SYNOPSIS
php [options] [ -f ] file [[--] args...]
php [options] -r code [[--] args...]
php [options] [-B begin_code] -R code [-E end_code] [[--] args...]
php [options] [-B begin_code] -F file [-E end_code] [[--] args...]
php [options] -- [ args...]
php [options] -a
php [options] -S addr:port [-t docroot]
DESCRIPTION
PHP is a widely-used general-purpose scripting language that is especially
suited for Web development and can be embedded into HTML. This is the command
line interface that enables you to do the following:
You can parse and execute files by using parameter -f followed by the name of
the file to be executed.
Using parameter -r you can directly execute PHP code simply as you would do
inside a .php file when using the eval() function.
It is also possible to process the standard input line by line using either the
parameter -R or -F. In this mode each separate input line causes the code speci‐
fied by -R or the file specified by -F to be executed. You can access the input
line by $argn. While processing the input lines $argi contains the number of the
actual line being processed. Further more the parameters -B and -E can be used
to execute code (see -r) before and after all input lines have been processed
respectively. Notice that the input is read from STDIN and therefore reading
from STDIN explicitly changes the next input line or skips input lines.
PHP also contains an built-in web server for application development purpose. By
using the -S option where addr:port point to a local address and port PHP will
listen to HTTP requests on that address and port and serve files from the cur‐
rent working directory or the docroot passed by the -t option.
If none of -r -f -B -R -F -E or -S is present but a single parameter is given
then this parameter is taken as the filename to parse and execute (same as with
-f). If no parameter is present then the standard input is read and executed.
OPTIONS
--interactive
-a Run PHP interactively. This lets you enter snippets of PHP code
that directly get executed. When readline support is enabled you
can edit the lines and also have history support.
--bindpath address:port|port
-b address:port|port
Bind Path for external FASTCGI Server mode (CGI only).
--no-chdir
-C Do not chdir to the script's directory (CGI only).
--no-header
-q Quiet-mode. Suppress HTTP header output (CGI only).
--timing count
-T count Measure execution time of script repeated count times (CGI only).
--php-ini path|file
-c path|file Look for php.ini file in the directory path or use the specified
file
--no-php-ini
-n No php.ini file will be used
--define foo[=bar]
-d foo[=bar] Define INI entry foo with value bar
-e Generate extended information for debugger/profiler
--file file
-f file Parse and execute file
--help
-h This help
--hide-args
-H Hide script name (file) and parameters (args...) from external
tools. For example you may want to use this when a php script is
started as a daemon and the command line contains sensitive data
such as passwords.
--info
-i PHP information and configuration
--syntax-check
-l Syntax check only (lint)
--modules
-m Show compiled in modules
--run code
-r code Run PHP code without using script tags '<?..?>'
--process-begin code
-B begin_code Run PHP begin_code before processing input lines
--process-code code
-R code Run PHP code for every input line
--process-file file
-F file Parse and execute file for every input line
--process-end code
-E end_code Run PHP end_code after processing all input lines
--syntax-highlight
-s Output HTML syntax highlighted source
--server addr:port
-S addr:port Start built-in web server on the given local address and port
--docroot docroot
-t docroot Specify the document root to be used by the built-in web server
--version
-v Version number
--strip
-w Output source with stripped comments and whitespace
--zend-extension file
-z file Load Zend extension file
args... Arguments passed to script. Use '--' args when first argument
starts with '-' or script is read from stdin
--rfunction name
--rf name Shows information about function name
--rclass name
--rc name Shows information about class name
--rextension name
--re name Shows information about extension name
--rzendextension
name
--rz name Shows information about Zend extension name
--rextinfo name
--ri name Shows configuration for extension name
--ini Show configuration file names
FILES
/etc/php/@PHP_MAJOR_VERSION@.@PHP_MINOR_VERSION@/cli/php.ini
The configuration file for the CLI version of PHP.
+.B /etc/php/@PHP_MAJOR_VERSION@.@PHP_MINOR_VERSION@/cgi/php.ini
+The configuration file for the CGI version of PHP. +.TP +.B
/etc/php/@PHP_MAJOR_VERSION@.@PHP_MINOR_VERSION@/apache2/php.ini
+The configuration file for the version of PHP that apache2 uses.
EXAMPLES
php -r 'echo "Hello World\n";'
This command simply writes the text "Hello World" to standard out.
php -r 'print_r(gd_info());'
This shows the configuration of your gd extension. You can use this to eas‐
ily check which image formats you can use. If you have any dynamic modules
you may want to use the same ini file that php uses when executed from your
webserver. There are more extensions which have such a function. For dba
use:
php -r 'print_r(dba_handlers(1));'
php -R 'echo strip_tags($argn)."\n";'
This PHP command strips off the HTML tags line by line and outputs the
result. To see how it works you can first look at the following PHP command
´php -d html_errors=1 -i´ which uses PHP to output HTML formatted configu‐
ration information. If you then combine those two ´php ...|php ...´ you'll
see what happens.
php -E 'echo "Lines: $argi\n";'
Using this PHP command you can count the lines being input.
php -R '@$l+=count(file($argn));' -E 'echo "Lines:$l\n";'
In this example PHP expects each input line being a file. It counts all
lines of the files specified by each input line and shows the summarized
result. You may combine this with tools like find and change the php
scriptlet.
php -R 'echo "$argn\n"; fgets(STDIN);'
Since you have access to STDIN from within -B -R -F and -E you can skip
certain input lines with your code. But note that in such cases $argi only
counts the lines being processed by php itself. Having read this you will
guess what the above program does: skipping every second input line.
TIPS
You can use a shebang line to automatically invoke php from scripts. Only the
CLI version of PHP will ignore such a first line as shown below:
#!/bin/php
<?php
// your script
?>
SEE ALSO
For a more or less complete description of PHP look here:
http://www.php.net/manual/
BUGS
You can view the list of known bugs or report any new bug you found at:
http://bugs.php.net
AUTHORS
The PHP Group: Thies C. Arntzen, Stig Bakken, Andi Gutmans, Rasmus Lerdorf, Sam
Ruby, Sascha Schumann, Zeev Suraski, Jim Winstead, Andrei Zmievski.
Additional work for the CLI sapi was done by Edin Kadribasic, Marcus Boerger and
Johannes Schlueter.
A List of active developers can be found here:
http://www.php.net/credits.php
And last but not least PHP was developed with the help of a huge amount of con‐
tributors all around the world.
VERSION INFORMATION
This manpage describes php, version 7.3.11-1+0~20191026.48+debian9~1.gbpf71ca0.
COPYRIGHT
Copyright © 1997-2018 The PHP Group
This source file is subject to version 3.01 of the PHP license, that is bundled
with this package in the file LICENSE, and is available through the world-wide-
web at the following url:
http://www.php.net/license/3_01.txt
If you did not receive a copy of the PHP license and are unable to obtain it
through the world-wide-web, please send a note to license@php.net so we can mail
you a copy immediately.
The PHP Group 2018 php(1)
Help output
php --help
Usage: php [options] [-f] <file> [--] [args...]
php [options] -r <code> [--] [args...]
php [options] [-B <begin_code>] -R <code> [-E <end_code>] [--] [args...]
php [options] [-B <begin_code>] -F <file> [-E <end_code>] [--] [args...]
php [options] -S <addr>:<port> [-t docroot] [router]
php [options] -- [args...]
php [options] -a
-a Run interactively
-c <path>|<file> Look for php.ini file in this directory
-n No configuration (ini) files will be used
-d foo[=bar] Define INI entry foo with value 'bar'
-e Generate extended information for debugger/profiler
-f <file> Parse and execute <file>.
-h This help
-i PHP information
-l Syntax check only (lint)
-m Show compiled in modules
-r <code> Run PHP <code> without using script tags <?..?>
-B <begin_code> Run PHP <begin_code> before processing input lines
-R <code> Run PHP <code> for every input line
-F <file> Parse and execute <file> for every input line
-E <end_code> Run PHP <end_code> after processing all input lines
-H Hide any passed arguments from external tools.
-S <addr>:<port> Run with built-in web server.
-t <docroot> Specify document root <docroot> for built-in web server.
-s Output HTML syntax highlighted source.
-v Version number
-w Output source with stripped comments and whitespace.
-z <file> Load Zend extension <file>.
args... Arguments passed to script. Use -- args when first argument
starts with - or script is read from stdin
--ini Show configuration file names
--rf <name> Show information about function <name>.
--rc <name> Show information about class <name>.
--re <name> Show information about extension <name>.
--rz <name> Show information about Zend extension <name>.
--ri <name> Show configuration for extension <name>.
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