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wp-content/plugins/elementor/includes/conditions.php

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+<?php
+namespace Elementor;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+/**
+ * Elementor conditions.
+ *
+ * Elementor conditions handler class introduce the compare conditions and the
+ * check conditions methods.
+ *
+ * @since 1.0.0
+ */
+class Conditions {
+
+	/**
+	 * Compare conditions.
+	 *
+	 * Whether the two values comply the comparison operator.
+	 *
+	 * @since 1.0.0
+	 * @access public
+	 * @static
+	 *
+	 * @param mixed  $left_value  First value to compare.
+	 * @param mixed  $right_value Second value to compare.
+	 * @param string $operator    Comparison operator.
+	 *
+	 * @return bool Whether the two values complies the comparison operator.
+	 */
+	public static function compare( $left_value, $right_value, $operator ) {
+		switch ( $operator ) {
+			case '==':
+				return $left_value == $right_value;
+			case '!=':
+				return $left_value != $right_value;
+			case '!==':
+				return $left_value !== $right_value;
+			case 'in':
+				return in_array( $left_value, $right_value, true );
+			case '!in':
+				return ! in_array( $left_value, $right_value, true );
+			case 'contains':
+				return in_array( $right_value, $left_value, true );
+			case '!contains':
+				return ! in_array( $right_value, $left_value, true );
+			case '<':
+				return $left_value < $right_value;
+			case '<=':
+				return $left_value <= $right_value;
+			case '>':
+				return $left_value > $right_value;
+			case '>=':
+				return $left_value >= $right_value;
+			default:
+				return $left_value === $right_value;
+		}
+	}
+
+	/**
+	 * Check conditions.
+	 *
+	 * Whether the comparison conditions comply.
+	 *
+	 * @since 1.0.0
+	 * @access public
+	 * @static
+	 *
+	 * @param array $conditions The conditions to check.
+	 * @param array $comparison The comparison parameter.
+	 *
+	 * @return bool Whether the comparison conditions comply.
+	 */
+	public static function check( array $conditions, array $comparison ) {
+		$is_or_condition = isset( $conditions['relation'] ) && 'or' === $conditions['relation'];
+
+		$condition_succeed = ! $is_or_condition;
+
+		foreach ( $conditions['terms'] as $term ) {
+			if ( ! empty( $term['terms'] ) ) {
+				$comparison_result = self::check( $term, $comparison );
+			} else {
+				preg_match( '/(\w+)(?:\[(\w+)])?/', $term['name'], $parsed_name );
+
+				$value = $comparison[ $parsed_name[1] ];
+
+				if ( ! empty( $parsed_name[2] ) ) {
+					$value = $value[ $parsed_name[2] ];
+				}
+
+				$operator = null;
+
+				if ( ! empty( $term['operator'] ) ) {
+					$operator = $term['operator'];
+				}
+
+				$comparison_result = self::compare( $value, $term['value'], $operator );
+			}
+
+			if ( $is_or_condition ) {
+				if ( $comparison_result ) {
+					return true;
+				}
+			} elseif ( ! $comparison_result ) {
+				return false;
+			}
+		}
+
+		return $condition_succeed;
+	}
+}