final class NF_Conversion_Calculations implements NF_Conversion { private $operations = array( 'add' => '+', 'subtract' => '-', 'multiply' => '*', 'divide' => '/' ); private $form = array(); private $tax_rate; public function __construct( $form_data ) { $this->form = $form_data; } public function run() { // Extract Calculations from Fields foreach( $this->form[ 'fields' ] as $key => $field ){ if( 'tax' == $field[ 'type' ] ){ $this->set_tax( $field[ 'default_value' ] ); continue; } if( 'calc' != $field[ 'type' ] ) continue; $calculation = array( 'order' => $key, 'name' => $field[ 'key' ], 'eq' => '', 'dec' => $field[ 'calc_places' ] ); switch( $field[ 'calc_method' ] ){ case 'eq': $calculation[ 'eq' ] = $field[ 'calc_eq' ]; break; case 'fields': $calculation[ 'eq' ] = trim( array_reduce( $field[ 'calc' ], array( $this, 'reduce_operations' ), '' ) ); break; case 'auto': $calculation[ 'eq' ] = trim( array_reduce( $this->form[ 'fields' ], array( $this, 'reduce_auto_total' ), '' ) ); break; } // Remove any leading `+`. $calculation[ 'eq' ] = ltrim( $calculation[ 'eq' ], '+' ); // Handle opinionated "Total" calc and tax field. if( 'total' == $field[ 'calc_name' ] && isset( $this->tax_rate ) ){ $calculation[ 'eq' ] = "( {$calculation[ 'eq' ]} ) * {$this->tax_rate}"; } $this->form[ 'settings' ][ 'calculations' ][] = $calculation; } // Replace Field IDs with Merge Tags if( isset( $this->form[ 'settings' ][ 'calculations' ] ) ) { foreach ($this->form['fields'] as $field) { if( ! isset( $field[ 'id' ] ) ) continue; $search = 'field_' . $field['id']; $replace = $this->merge_tag( $field ); foreach ($this->form['settings']['calculations'] as $key => $calculation) { $this->form['settings']['calculations'][ $key ]['eq'] = str_replace($search, $replace, $calculation['eq']); } } } // Convert Calc Fields to HTML Fields for displaying Calculations foreach( $this->form[ 'fields' ] as $key => $field ){ if( 'tax' == $field[ 'type' ] ){ $this->form[ 'fields' ][ $key ][ 'type' ] = 'html'; $this->form[ 'fields' ][ $key ][ 'default' ] = "{$field[ 'label' ]}
{$field[ 'default_value' ]}"; continue; } if( 'calc' != $field[ 'type' ] ) continue; $this->form[ 'fields' ][ $key ][ 'type' ] = 'html'; if( 'html' == $field[ 'calc_display_type' ] ){ // TODO: HTML Output fields seem to loose the label. $search = '[ninja_forms_calc]'; $replace = $this->merge_tag( $field ); $subject = $field[ 'calc_display_html' ]; $this->form[ 'fields' ][ $key ][ 'default' ] = str_replace( $search, $replace, $subject ); } else { $this->form[ 'fields' ][ $key ][ 'default' ] = '' . $field[ 'label' ] . '
' . $this->merge_tag( $field ); } } return $this->form; } private function reduce_operations( $eq, $calc ) { $operation = $calc[ 'op' ]; return ' ' . $eq . $this->operations[ $operation ] . ' field_' . $calc[ 'field' ] . ' '; } private function reduce_auto_total( $eq, $field ) { if( ! isset( $field[ 'calc_auto_include' ] ) || 1 != $field[ 'calc_auto_include' ] ) return $eq; return $eq . '+ {field:' . $field[ 'key' ] . ':calc} '; } private function merge_tag( $field ) { $tag = $field[ 'key' ]; if( 'calc' == $field[ 'type' ] ){ return '{calc:' . $tag . '}'; } else { return '{field:' . $tag . ':calc}'; } } /** * Sets a float formatted tax rate. * @param string|int|float $tax * * @return float|int */ private function set_tax( $tax ) { // ex 15% -> 1.15 return $this->tax_rate = ( floatval( $tax ) + 100 ) / 100; } } add_filter( 'ninja_forms_after_upgrade_settings', 'ninja_forms_conversion_calculations' ); function ninja_forms_conversion_calculations( $form_data ){ $conversion = new NF_Conversion_Calculations( $form_data ); return $conversion->run(); } Nothing found for Product Pumpkin Coconut %e2%80%a6Okie Gluten Free

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