rgempty()

• Description
• Usage
• Parameters
• Examples
• Checking for an empty array.
• Source Code

Description

Checks if an array or key within an array is empty.

Usage

rgempty( $name, $array );

Parameters

• $name string

  The array or key to be checked.

• $array array

  If checking if a key within an array is empty, this parameter contains your array. Default is $_POST.

Examples

Checking for an empty array.

// This would return _true_.
$name = array();
rgempty( $name );

// This would return _false_.
$name = array( 'something' );
rgempty( $name );

// This would return _true_ as the key assigned to _$name_ doesn't exist.
$name = 'empty_key';
$array = array(
   'key1' => 'value1',
   'key2' => 'value2',
   'empty_key' => ''
);
rgempty( $name, $array );

Source Code

This function is located in gravityforms.php