Fix PHPStan issues

Signed-off-by: simonhammes <simonhammes@users.noreply.github.com>

Author: simonhammes

phpstan/include-by-php-version.php

@@ -4,10 +4,6 @@
 
 $includes = [];
 
-if (PHP_VERSION_ID >= 70400) {
-    $includes[] = __DIR__ . '/php-74.neon';
-}
-
 if (PHP_VERSION_ID >= 80000) {
     $includes[] = __DIR__ . '/php-80.neon';
 }

phpstan/php-74.neon

@@ -438,7 +438,7 @@ private function buildPermutationTree(array $labelValues): \Generator /** @phpst
         if (count($labelValues) > 0) {
             $lastIndex = array_key_last($labelValues);
             $currentValue = array_pop($labelValues);
-            if ($currentValue != null) {
+            if ($currentValue !== null) {
                 foreach ($this->buildPermutationTree($labelValues) as $prefix) {
                     foreach ($currentValue as $value) {
                         yield $prefix + [$lastIndex => $value];

src/Prometheus/Storage/APCng.php

@@ -597,7 +597,7 @@ protected function createTables(): void
 
         $this->database->query($sql);
 
-        $hash_size = $driver == 'sqlite' ? 32 : 64;
+        $hash_size = $driver === 'sqlite' ? 32 : 64;
 
         switch ($driver) {
             case 'pgsql':
@@ -627,7 +627,7 @@ protected function createTables(): void
 
         $this->database->query($sql);
 
-        $timestamp_type = $driver == 'sqlite' ? 'timestamp' : 'int';
+        $timestamp_type = $driver === 'sqlite' ? 'timestamp' : 'int';
         $sqlIndex = null;
 
         switch ($driver) {

src/Prometheus/Storage/PDO.php

@@ -429,7 +429,7 @@ private function collectHistograms(): array
             $allLabelValues = [];
             foreach (array_keys($raw) as $k) {
                 $d = json_decode($k, true);
-                if ($d['b'] == 'sum') {
+                if ($d['b'] === 'sum') {
                     continue;
                 }
                 $allLabelValues[] = $d['labelValues'];

src/Prometheus/Storage/Redis.php

@@ -428,7 +428,7 @@ private function collectHistograms(): array
             $allLabelValues = [];
             foreach (array_keys($raw) as $k) {
                 $d = json_decode($k, true);
-                if ($d['b'] == 'sum') {
+                if ($d['b'] === 'sum') {
                     continue;
                 }
                 $allLabelValues[] = $d['labelValues'];
@@ -534,9 +534,6 @@ private function collectSummaries(): array
             $samples = [];
             foreach ($values as $valueKey) {
                 $rawValue = explode(":", $valueKey);
-                if ($rawValue === false) {
-                    continue;
-                }
                 $encodedLabelValues = $rawValue[2];
                 $decodedLabelValues = $this->decodeLabelValues($encodedLabelValues);