abort if stream_socket_client() is not present

rhubarbgroup · Nov 22, 2023 · 7751bd6 · 7751bd6
1 parent 25d5b1d
commit 7751bd6
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- Support rare PHP installations without `sockets` extension
+
 ## 2.5.0
 
 - Require WordPress 4.6 or newer

diff --git a/includes/class-predis.php b/includes/class-predis.php
@@ -26,6 +26,10 @@ class Predis {
      * @return void
      */
     public function connect( $read_timeout = null ) {
+        if ( ! function_exists( 'stream_socket_client' ) ) {
+            return;
+        }
+
         // Load bundled Predis library.
         if ( ! class_exists( '\Predis\Client' ) ) {
             require_once WP_REDIS_PLUGIN_PATH . '/dependencies/predis/predis/autoload.php';
@@ -151,6 +155,10 @@ public function flush( $throw_exception = false ) {
             }
         }
 
+        if ( is_null( $this->redis ) ) {
+            return false;
+        }
+
         if ( defined( 'WP_REDIS_CLUSTER' ) ) {
             try {
                 foreach ( $this->redis->_masters() as $master ) {