Display the current opcache.revalidate_freq setting under PHP details (#452)

* add opcache.revalidate_freq access to backend

Signed-off-by: Josh Richards <josh.t.richards@gmail.com>

* add opcache.revalidate_freq access to the frontend

Signed-off-by: Josh Richards <josh.t.richards@gmail.com>

---------

Signed-off-by: Josh Richards <josh.t.richards@gmail.com>

Author: joshtrichards

lib/PhpStatistics.php

@@ -45,6 +45,10 @@ public function getPhpStatistics(): array {
 			'memory_limit' => $this->phpIni->getBytes('memory_limit'),
 			'max_execution_time' => $this->phpIni->getNumeric('max_execution_time'),
 			'upload_max_filesize' => $this->phpIni->getBytes('upload_max_filesize'),
+			'opcache_revalidate_freq' => $this->phpIni->getNumeric('opcache.revalidate_freq'),
+			// NOTE: If access to add'l OPcache *config* parameters is desired consider
+			//   implementing a getOPcacheConfig() wrapper for PHP's opcache_get_configuration()
+			//   like we do for PHP's opcache_get_status() already below
 			'opcache' => $this->getOPcacheStatus(),
 			'apcu' => $this->getAPCuStatus(),
 			'extensions' => $this->getLoadedPhpExtensions(),

templates/settings-admin.php

@@ -356,6 +356,10 @@ function FormatMegabytes(int $byte): string {
 						<p>
 							<?php p($l->t('Upload max size:')); ?>
 							<em id="phpUploadMaxSize"><?php p($_['php']['upload_max_filesize']); ?></em>
+						</p>                                               
+						<p>
+							<?php p($l->t('OPcache Revalidate Frequency:')); ?>
+							<em id="phpOpcacheRevalidateFreq"><?php p($_['php']['opcache_revalidate_freq']); ?></em>
 						</p>
 						<p>
 							<?php p($l->t('Extensions:')); ?>