WP_CLI::get_value_from_arg_or_stdin │ public static │ WP-CLI 1.0

Read value from a positional argument or from STDIN.

Method of the class: WP_CLI{}

No Hooks.

Returns

String.

Usage

$result = WP_CLI::get_value_from_arg_or_stdin( $args, $index );

$args(array) (required)

The list of positional arguments.

$index(int) (required)

At which position to check for the value.

WP_CLI::get_value_from_arg_or_stdin() WP CLI::get value from arg or stdin code ^{WP-CLI 2.13.0-alpha}

public static function get_value_from_arg_or_stdin( $args, $index ) {
	if ( isset( $args[ $index ] ) ) {
		$raw_value = $args[ $index ];
	} else {
		// We don't use file_get_contents() here because it doesn't handle
		// Ctrl-D properly, when typing in the value interactively.
		$raw_value = '';
		$line      = fgets( STDIN );

		while ( false !== $line ) {
			$raw_value .= $line;
			$line       = fgets( STDIN );
		}
	}

	return $raw_value;
}