Improve your php felixfbecker/language-server index speed

src_Indexer.php

From 8977c95db6b98caa9a69d067026e4fc869a6ff7d Mon Sep 17 00:00:00 2001
From: Xiaohui Lam <xiaohui.lam@e.hexdata.cn>
Date: Sun, 18 Mar 2018 00:16:22 +0800
Subject: [PATCH] make dependencies not released be able to cache

---
 src/Indexer.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Indexer.php b/src/Indexer.php
index a556d4d..553524c 100644
--- a/src/Indexer.php
+++ b/src/Indexer.php
@@ -151,8 +151,13 @@ class Indexer
                     // Check if package name matches and version is absolute
                     // Dynamic constraints are not cached, because they can change every time
                     $packageVersion = ltrim($package->version, 'v');
-                    if ($package->name === $packageName && strpos($packageVersion, 'dev') === false) {
+                    if ($package->name === $packageName) {
                         $packageKey = $packageName . ':' . $packageVersion;
+                        if (strpos($packageVersion, 'dev') !== false) {
+                            $packageKey = $packageName . ':' . (isset($package->source) && isset($package->source->reference) ? 
+                                $package->source->reference : (isset($package->dist) && isset($package->dist->reference) ? 
+                                    $package->source->reference : $packageVersion));
+                        }
                         $cacheKey = self::CACHE_VERSION . ':' . $packageKey;
                         // Check cache
                         $index = yield $this->cache->get($cacheKey);
-- 
2.10.2

load in one second

cd ~/.vscode/extensions/felixfbecker.php-intellisense-*
cd vendor/felixfbecker/language-server
wget https://gist.github.com/xiaohuilam/b94f39d14e969c3a6a553051f4a1da81/raw/b6af901b97203525fac9ce1cc77093450b18c4d7/src_Indexer.php
patch -p1 < src_Indexer.php
rm -rf src_Indexer.php