get_sub_field

Get_sub_field().

Description

get_sub_field( (string) $field_name ); 

This function is used inside a has_sub_field while loop to return a sub field value

Parameters (1)

0. $field_name (string)
The field name.

Usage

  1. if ( !function_exists( 'get_sub_field' ) ) { 
  2.     require_once ABSPATH . PLUGINDIR . 'advanced-custom-fields/core/api.php'; 
  3. } 
  4.   
  5. // The field name. 
  6. $field_name = ''; 
  7.   
  8. // NOTICE! Understand what this does before running. 
  9. $result = get_sub_field($field_name); 
  10.     

Defined (1)

The function is defined in the following location(s).

/core/api.php  
  1. function get_sub_field( $field_name ) { 
  2.      
  3.     // no field? 
  4.     if( empty($GLOBALS['acf_field']) ) 
  5.     { 
  6.         return false; 
  7.     } 
  8.      
  9.      
  10.     // vars 
  11.     $row = end( $GLOBALS['acf_field'] ); 
  12.      
  13.      
  14.     // return value 
  15.     if( isset($row['value'][ $row['i'] ][ $field_name ]) ) 
  16.     { 
  17.         return $row['value'][ $row['i'] ][ $field_name ]; 
  18.     } 
  19.      
  20.      
  21.     // return false 
  22.     return false; 
  23. }