WPForms: new smart tag - current date and time, also Unix timestamp

wpforms-new-smarttag-current-time.php

<?php

// Register the smart tag.
add_filter( 'wpforms_smart_tags', static function( $tags ) {

	// Key is the tag, value is the tag name.
	$tags['current_time'] = 'Current Date/Time';

	return $tags;
} );

// Replace its value on form render on front-end.
add_filter( 'wpforms_process_smart_tags', static function( $field_val, $form_data ) {

	return str_replace( '{current_time}', date_i18n( 'Y-m-d H:i:s' ), $field_val );
}, 10, 2 );

// Register the smart tag.
add_filter( 'wpforms_smart_tags', static function( $tags ) {

	// Key is the tag, value is the tag name.
	$tags['current_unix_time'] = 'Current Unix Time';

	return $tags;
} );

// Replace its value on form render on front-end.
add_filter( 'wpforms_process_smart_tags', static function( $field_val, $form_data ) {

	return str_replace( '{current_unix_time}', wp_date( 'U' ), $field_val );
}, 10, 2 );