What is the usage of argv in php

In PHP, "$argv" is used to store parameters pointing to strings. It is an array of parameters passed to the script. Each element points to a parameter. The first parameter is always the file name of the current script; " $argv" is defined in the "$_SERVER" global array and is only available when "register_argc_argv" is turned on.

The operating environment of this article: Windows 10 system, PHP version 7.1, Dell G3 computer.

What is the usage of argv in php

$argv - parameter array passed to the script

String array, used to store an array of pointers pointing to your string parameters , each element points to a parameter

Description

An array containing the parameters passed to the current script when run from the command line.

Note:

The first parameter is always the file name of the current script, so $argv[0] is the script file name.

This variable is only available when register_argc_argv is turned on.

$argv—This is defined in the $_SERVER global array (when the script is run in command line mode, the argv variable is passed to the program as C-style command line arguments).

The example is as follows:

<?php
var_dump($argv);
?>

When using this command to execute: php script.php arg1 arg2 arg3

The output of the above routine is similar In:

array(4) {
  [0]=>
  string(10) "script.php"
  [1]=>
  string(4) "arg1"
  [2]=>
  string(4) "arg2"
  [3]=>
  string(4) "arg3"
}

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