cli-with-php.md

➲ CLI With PHP:

PHP offers to execute script through command line.

☴ Overview:

1. Executing PHP Script in Command Line
2. Accepting Command Line Arguments
3. Common PHP CLI Options

✦ Executing PHP Script in Command Line:

To execute PHP script in command line, use php scriptname.php in command line.

php test.php

✦ Accepting Command Line Arguments:

To PHP accepts command line arguments and deliver through the variable argv.

php test.php arg1 arg2 arg3

foreach ($argv as $arg) {
    echo $arg . "\n";
}

✦ Common PHP CLI Options:

• Basic Options:

  • -a: Interactive mode. Reads and executes code interactively.
  • -c <path>: Specifies the path to the php.ini file.
  • -d <foo=bar>: Defines an INI entry.
  • -e: Generates extended information for debuggers/profilers.
  • -f <file>: Specifies the file to execute.
  • -h: Displays help information.
  • -i: Prints information about the PHP configuration.
  • -l: Performs a syntax check only for the script.
  • -m: Lists loaded modules.
  • -n: Disables the use of php.ini.
  • -r <code>: Executes a single line of PHP code.
  • -s: Outputs a syntax-highlighted source code.
  • -v: Prints the PHP version.

• Additional Options:

  • -B <begin_code>: Executes code before processing input lines.
  • -E <end_code>: Executes code after processing all input lines.
  • -F <file>: Parses and executes a file for each input line.
  • -R <code>: Executes code for every input line.
  • -S addr:port: Runs a built-in web server for current directory.
  • -t <docroot>: Specifies the document root for the built-in web server.

Example:

• Checking the PHP version:

  php -v

• Running PHP interactively:

  php -a

• Syntax checking a script:

  php -l my_script.php

• Checking PHP configuration:

  php -i

• Starting a built-in web server:

  php -S localhost:8000

• Running PHP code directly:

  php -r "echo 'Welcome';"

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