plugin install

wp/wp-content/plugins/gravityforms/includes/query/class-gf-query-json-literal.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * The Gravity Forms Query JSON Literal class.
+ */
+class GF_Query_JSON_Literal extends GF_Query_Literal{
+	/**
+	 * @var int|string|float The value.
+	 */
+	private $_value;
+
+	/**
+	 * A literal value.
+	 *
+	 * @param string $value
+	 */
+	public function __construct( $value ) {
+		if ( is_string( $value ) ) {
+			$this->_value = $value;
+		}
+	}
+
+	/**
+	 * Get SQL for this.
+	 *
+	 * @param GF_Query $query The query.
+	 * @param string $delimiter The delimiter for arrays.
+	 *
+	 * @return string The SQL.
+	 */
+	public function sql( $query, $delimiter = '' ) {
+		global $wpdb;
+
+		if ( is_string( $this->value ) ) {
+			$value = trim( json_encode( $this->value ), '"' );
+			$value = str_replace( '\\', '\\\\', $value );
+
+			return $wpdb->prepare( '%s', $value );
+		}
+
+		return '';
+	}
+
+	/**
+	 * Proxy read-only values.
+	 */
+	public function __get( $key ) {
+		switch ( $key ) :
+			case 'value':
+				return $this->_value;
+		endswitch;
+	}
+
+	public function __isset( $key ) {
+		return in_array( $key, array( 'value' ) );
+	}
+}