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The number of arguments passed to script
Predefined Variables
PHP Manual

$argc

(PHP 4, PHP 5)

$argc — The number of arguments passed to script

Description

Contains the number of arguments passed to the current script when running from the command line.

Note: The script's filename is always passed as an argument to the script, therefore the minimum value of $argc is 1.

Note: This variable is not available when register_argc_argv is disabled.

Examples

Example #1 $argc example

<?php
var_dump($argc);
?>

When executing the example with: php script.php arg1 arg2 arg3

The above example will output something similar to:

 int(4)

Predefined Variables
PHP Manual