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EDITING: Calcs.php

<?php if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Class NF_MergeTags_Calcs
 */
class NF_MergeTags_Calcs extends NF_Abstracts_MergeTags
{
    protected $id = 'calcs';

protected $_default_group = FALSE;

public function __construct()
    {
        parent::__construct();
        $this->title = esc_html__( 'Calculations', 'ninja-forms' );
        add_filter( 'ninja_forms_calc_setting',  array( $this, 'replace' ) );
    }

public function __call($name, $arguments)
    {
        return $this->merge_tags[ $name ][ 'calc_value' ];
    }

public function set_merge_tags( $key, $value, $round = 2 , $dec = '.', $sep = ',')
    {
        $callback = ( is_numeric( $key ) ) ? 'calc_' . $key : $key;

try {
            $locale = new stdClass();
            $locale->number_format = array(
                'thousands_sep' => $sep,
                'decimal_point' => $dec
            );
            $handler = new NF_Handlers_LocaleNumberFormatting($locale);
            $eq = $handler->locale_decode_equation($value);
            $calculated_value = Ninja_Forms()->eos()->solve( $eq );
        } catch( Exception $e ){
            $calculated_value = FALSE;
        }

$this->merge_tags[ $callback ] = array(
            'id' => $key,
            'tag' => "{calc:$key}",
            'callback' => $callback,
            'calc_value' => number_format( $calculated_value, $round, '.', '' )
        );

$callback .= '2';

$this->merge_tags[ $callback ] = array(
            'id' => $key,
            'tag' => "{calc:$key:2}",
            'callback' => $callback,
            'calc_value' => number_format( $calculated_value, 2, '.', '' )
        );
    }
    
    public function get_calc_value( $key )
    {
        $return = null;

if(isset($this->merge_tags[ $key ][ 'calc_value' ])){
            $return = $this->merge_tags[ $key ][ 'calc_value' ];
        }
        
        return $return; 
    }
    
    // @TODO: $round is no longer necessary in this context.
    public function get_formatted_calc_value( $key, $round = 2, $dec = '.', $sep = ',')
    {
        $locale = new stdClass();
        $locale->number_format = array(
            'thousands_sep' => $sep,
            'decimal_point' => $dec
        );
        $handler = new NF_Handlers_LocaleNumberFormatting($locale);
        return $handler->locale_encode_number( $this->merge_tags[ $key ][ 'calc_value' ] );
    }

} // END CLASS NF_MergeTags_Calcs

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 Calcs.php	PHP	2.4 KB	2026-04-28 11:54	EDIT
📄 Deprecated.php	PHP	3.6 KB	2026-04-28 11:54	EDIT
📄 Fields.php	PHP	26.3 KB	2026-04-28 11:54	EDIT
📄 Form.php	PHP	2.4 KB	2026-04-28 11:54	EDIT
📄 Other.php	PHP	5 KB	2026-04-28 11:54	EDIT
📄 System.php	PHP	690 B	2026-04-28 11:54	EDIT
📄 WP.php	PHP	6.2 KB	2026-04-28 11:54	EDIT