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wp-content/plugins/gravityforms/includes/theme-layers/api/json/rules/class-gf-theme-layer-rule.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Gravity_Forms\Gravity_Forms\Theme_Layers\API\JSON\Rules;
+
+class GF_Theme_Layer_Rule {
+
+	private $setting;
+	private $operator;
+	private $value;
+
+	public function __construct( $args ) {
+		if ( ! isset( $args['setting'] ) || ! isset( $args['operator'] ) || ! isset( $args['value'] ) ) {
+			throw new \InvalidArgumentException( 'Rules must have settings, operators, and values.' );
+		}
+
+		$setting_parts  = explode( '.', $args['setting'] );
+		$this->setting  = array( 'type' => $setting_parts[0], 'name' => $setting_parts[1] );
+		$this->operator = $args['operator'];
+		$this->value    = $args['value'];
+	}
+
+	public function validate( $settings ) {
+		$type = $this->setting['type'];
+		$name = $this->setting['name'];
+
+		if ( ! isset( $settings[ $type ][ $name ] ) ) {
+			return false;
+		}
+
+		$value = $settings[ $type ][ $name ];
+
+		switch ( $this->operator ) {
+			case '=':
+				return $value == $this->value;
+			case '>':
+				return $value > $this->value;
+			case '>=':
+				return $value >= $this->value;
+			case '<':
+				return $value < $this->value;
+			case '<=':
+				return $value <= $this->value;
+			case '!=':
+				return $value != $this->value;
+			default:
+				return false;
+		}
+	}
+
+}