Feature: Reset PHP OPcache

Author: MarcoRemy

recipe/common.php

@@ -12,6 +12,7 @@
 require __DIR__ . '/deploy/lock.php';
 require __DIR__ . '/deploy/push.php';
 require __DIR__ . '/deploy/release.php';
+require __DIR__ . '/deploy/reset_opcache.php';
 require __DIR__ . '/deploy/rollback.php';
 require __DIR__ . '/deploy/setup.php';
 require __DIR__ . '/deploy/shared.php';

recipe/deploy/reset_opcache.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Deployer;
+
+set('reset_opcache_nonce', bin2hex(random_bytes(8)));
+set('reset_opcache_document_root', '{{release_or_current_path}}');
+set('reset_opcache_app_url', 'https://{{hostname}}');
+
+desc('Place PHP OPcache Reset Script');
+task('deploy:reset_opcache:prepare', function () {
+    $phpScript = <<<PHP
+    <?php
+    if (function_exists("clearstatcache")) {
+        clearstatcache(true); // Clear realpath cache
+    }
+    if (function_exists("opcache_reset")) {
+        opcache_reset(); // Clear opcache
+    }
+    @unlink(__FILE__);
+    echo "success";
+    PHP;
+
+    run('echo "$PHP_OPCACHE_RESET_SCRIPT" > {{reset_opcache_document_root}}/reset_opcache-{{reset_opcache_nonce}}.php', env: ['PHP_OPCACHE_RESET_SCRIPT' => $phpScript]);
+});
+
+desc('Execute PHP OPcache Reset');
+task('deploy:reset_opcache:execute', function () {
+    $result = fetch("{{reset_opcache_app_url}}/reset_opcache-{{reset_opcache_nonce}}.php");
+    if ($result !== 'success') {
+        throw error('Reset PHP OPcache failed!');
+    }
+});
+
+desc('Reset PHP OPcache');
+task('deploy:reset_opcache', [
+    'deploy:reset_opcache:prepare',
+    'deploy:reset_opcache:execute',
+]);