Ticket #47320: 47320.diff

src/wp-admin/includes/class-wp-site-health.php

@@ -1086 +1086 @@
         }
 
         /**
+         * Test if there's an active PHP session that can affect loopback requests.
+         *
+         * @since 5.5.0
+         *
+         * @return array The test results.
+         */
+        public function get_test_php_sessions() {
+                $result = array(
+                        'label'       => __( 'No PHP sessions detected' ),
+                        'status'      => 'good',
+                        'badge'       => array(
+                                'label' => __( 'Performance' ),
+                                'color' => 'blue',
+                        ),
+                        'description' => sprintf(
+                                '<p>%s</p>',
+                                sprintf(
+                                        /* translators: 1: session_start(), 2: session_write_close() */
+                                        __( 'PHP sessions created by a %1$s function call interfere with REST API and loopback requests. An active session should be closed by %2$s before making any HTTP requests.' ),
+                                        '<code>session_start()</code>',
+                                        '<code>session_write_close()</code>'
+                                )
+                        ),
+                        'test'        => 'php_sessions',
+                );
+
+                if ( PHP_SESSION_ACTIVE === session_status() ) {
+                        $result['status'] = 'critical';
+
+                        $result['label'] = __( 'An active PHP session detected' );
+
+                        $result['description'] = sprintf(
+                                '<p>%s</p>',
+                                sprintf(
+                                        /* translators: 1: session_start(), 2: session_write_close() */
+                                        __( 'A PHP session was created by a %1$s function call. This interferes with REST API and loopback requests. The session should be closed by %2$s before making any HTTP requests.' ),
+                                        '<code>session_start()</code>',
+                                        '<code>session_write_close()</code>'
+                                )
+                        );
+                }
+
+                return $result;
+        }
+
+        /**
          * Test if the SQL server is up to date.
          *
          * @since 5.2.0
@@ -1944 +1990 @@
                                         'label' => __( 'PHP Default Timezone' ),
                                         'test'  => 'php_default_timezone',
                                 ),
+                                'php_sessions'         => array(
+                                        'label' => __( 'PHP Sessions' ),
+                                        'test'  => 'php_sessions',
+                                ),
                                 'sql_server'           => array(
                                         'label' => __( 'Database Server version' ),
                                         'test'  => 'sql_server',