caldera_forms_field_util_math_functions

Filter the allowed math functions.

Description

apply_filters( 'caldera_forms_field_util_math_functions', (array) $math_functions, (array) $form ); 

Useful for removing functions

Add functions with extreme caution, must be name of a function in PHP global scope and a method of JavaScript Math object.

Parameters (2)

0. $math_functions (array)
The math functions.
1. $form (array)
Form Config

Usage

To run the hook, copy the example below.
  1. $math_functions = apply_filters( 'caldera_forms_field_util_math_functions', $math_functions, $form ); 
  2.  
  3. if ( !empty( $math_functions ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the caldera_forms_field_util_math_functions callback 
  2. function filter_caldera_forms_field_util_math_functions( $math_functions, $form ) { 
  3. // make filter magic happen here... 
  4. return $math_functions
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'caldera_forms_field_util_math_functions', 'filter_caldera_forms_field_util_math_functions', 10, 2 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'caldera_forms_field_util_math_functions', 'filter_caldera_forms_field_util_math_functions', 10, 2 ); 

Defined (1)

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

/classes/field/util.php  
  1. return apply_filters( 'caldera_forms_field_util_math_functions', $math_functions, $form );