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[stable30] feat(settings): simplify OPcache checks #53818

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[stable30] feat(settings): simplify OPcache checks #53818

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26 changes: 12 additions & 14 deletions apps/settings/lib/SetupChecks/PhpOpcacheSetup.php
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@
} elseif ($this->iniGetWrapper->getBool('opcache.file_cache_only')) {
$recommendations[] = $this->l10n->t('The shared memory based OPcache is disabled. For better performance, it is recommended to apply "opcache.file_cache_only=0" to your PHP configuration and use the file cache as second level cache only.');
} else {
// Check whether opcache_get_status has been explicitly disabled an in case skip usage based checks
// Check whether opcache_get_status has been explicitly disabled and in case skip usage based checks
$disabledFunctions = $this->iniGetWrapper->getString('disable_functions');
if (isset($disabledFunctions) && str_contains($disabledFunctions, 'opcache_get_status')) {
return [$level, $recommendations];
Expand All @@ -70,21 +70,19 @@
$level = 'error';
}

// Recommend to raise value, if more than 90% of max value is reached
if (
empty($status['opcache_statistics']['max_cached_keys']) ||
($status['opcache_statistics']['num_cached_keys'] / $status['opcache_statistics']['max_cached_keys'] > 0.9)
) {
$recommendations[] = $this->l10n->t('The maximum number of OPcache keys is nearly exceeded. To assure that all scripts can be kept in the cache, it is recommended to apply "opcache.max_accelerated_files" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.max_accelerated_files') ?: 'currently')]);
}

if (
empty($status['memory_usage']['free_memory']) ||
($status['memory_usage']['used_memory'] / $status['memory_usage']['free_memory'] > 9)
) {
$recommendations[] = $this->l10n->t('The OPcache buffer is nearly full. To assure that all scripts can be hold in cache, it is recommended to apply "opcache.memory_consumption" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?: 'currently')]);
// Check whether OPcache is full, which can be either the overall OPcache size or limit of cached keys reached.
// If the limit of cached keys has been reached, num_cached_keys equals max_cached_keys. The recommendation contains this value instead of opcache.max_accelerated_files, since the effective limit is a next higher prime number: https://www.php.net/manual/en/opcache.configuration.php#ini.opcache.max-accelerated-files
// Else, the remaining $status['memory_usage']['free_memory'] was too low to store another script. Aside of used_memory, this can be also due to wasted_memory, remaining cache keys from scripts changed on disk.
// Wasted memory is cleared only via opcache_reset(), or if $status['memory_usage']['current_wasted_percentage'] reached opcache.max_wasted_percentage, which triggers an engine restart and hence OPcache reset. Due to this complexity, we check for $status['cache_full'] only.
if ($status['cache_full'] === true) {
if ($status['opcache_statistics']['num_cached_keys'] === $status['opcache_statistics']['max_cached_keys']) {
$recommendations[] = $this->l10n->t('The maximum number of OPcache keys is nearly exceeded. To assure that all scripts can be kept in the cache, it is recommended to apply "opcache.max_accelerated_files" to your PHP configuration with a value higher than "%s".', [($status['opcache_statistics']['max_cached_keys'] ?: 'currently')]);
} else {
$recommendations[] = $this->l10n->t('The OPcache buffer is nearly full. To assure that all scripts can be hold in cache, it is recommended to apply "opcache.memory_consumption" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?: 'currently')]);

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Code scanning / Psalm

RiskyTruthyFalsyComparison Note

Operand of type float|int|null contains types float|int, which can be falsy and truthy. This can cause possibly unexpected behavior. Use strict comparison instead.
}
}

// Interned strings buffer: recommend to raise size if more than 90% is used
$interned_strings_buffer = $this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') ?? 0;
$memory_consumption = $this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?? 0;
if (
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