Fixed PHPStan errors

composer.json

@@ -13,12 +13,12 @@
     ],
     "require": {
         "php": "^7.2|^8.0",
-        "webmozart/assert": "^1.7.0"
+        "webmozart/assert": "^1.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^0.12",
+        "phpstan/phpstan": "^1.0",
         "phpunit/phpunit": "^7.0|^8.0|^9.0",
-        "phpstan/phpstan-webmozart-assert": "^0.12.7",
+        "phpstan/phpstan-webmozart-assert": "^1.0",
         "phpstan/extension-installer": "^1.0"
     },
     "autoload": {
@@ -35,7 +35,7 @@
         "mtdowling/cron-expression": "^1.0"
     },
     "scripts": {
-        "phpstan": "./vendor/bin/phpstan analyse -l max src tests",
+        "phpstan": "./vendor/bin/phpstan analyze",
         "test": "phpunit"
     }
 }

phpstan.neon

@@ -1,2 +1,15 @@
 parameters:
     checkMissingIterableValueType: false
+
+    ignoreErrors:
+        - '#Call to an undefined method DateTimeInterface::add\(\)#'
+        - '#Call to an undefined method DateTimeInterface::modify\(\)#'
+        - '#Call to an undefined method DateTimeInterface::setDate\(\)#'
+        - '#Call to an undefined method DateTimeInterface::setTime\(\)#'
+        - '#Call to an undefined method DateTimeInterface::setTimezone\(\)#'
+        - '#Call to an undefined method DateTimeInterface::sub\(\)#'
+
+    level: max
+
+    paths:
+        - src/

src/Cron/AbstractField.php

@@ -146,8 +146,9 @@ public function isInIncrementsOfRanges(int $dateValue, string $value): bool
 
         // Generate the requested small range
         $rangeChunks = explode('-', $range, 2);
-        $rangeStart = $rangeChunks[0];
+        $rangeStart = (int) $rangeChunks[0];
         $rangeEnd = $rangeChunks[1] ?? $rangeStart;
+        $rangeEnd = (int) $rangeEnd;
 
         if ($rangeStart < $this->rangeStart || $rangeStart > $this->rangeEnd || $rangeStart > $rangeEnd) {
             throw new \OutOfRangeException('Invalid range start requested');

src/Cron/CronExpression.php

@@ -456,6 +456,9 @@ protected function getRunDate($currentTime = null, int $nth = 0, bool $invert =
         $currentDate->setTimezone(new DateTimeZone($timeZone));
         // Workaround for setTime causing an offset change: https://bugs.php.net/bug.php?id=81074
         $currentDate = DateTime::createFromFormat("!Y-m-d H:iO", $currentDate->format("Y-m-d H:iP"), $currentDate->getTimezone());
+        if ($currentDate === false) {
+            throw new \RuntimeException('Unable to create date from format');
+        }
         $currentDate->setTimezone(new DateTimeZone($timeZone));
 
         $nextRun = clone $currentDate;

src/Cron/DayOfMonthField.php

@@ -96,15 +96,18 @@ public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bo
         // Check to see if this is the nearest weekday to a particular value
         if (strpos($value, 'W')) {
             // Parse the target day
-            /** @phpstan-ignore-next-line */
             $targetDay = (int) substr($value, 0, strpos($value, 'W'));
             // Find out if the current day is the nearest day of the week
-            /** @phpstan-ignore-next-line */
-            return $date->format('j') === self::getNearestWeekday(
+            $nearest = self::getNearestWeekday(
                 (int) $date->format('Y'),
                 (int) $date->format('m'),
                 $targetDay
-            )->format('j');
+            );
+            if ($nearest) {
+                return $date->format('j') === $nearest->format('j');
+            }
+
+            throw new \RuntimeException('Unable to return nearest weekday');
         }
 
         return $this->isSatisfied((int) $date->format('d'), $value);

src/Cron/DayOfWeekField.php

@@ -69,7 +69,6 @@ public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bo
 
         // Find out if this is the last specific weekday of the month
         if (strpos($value, 'L')) {
-            /** @phpstan-ignore-next-line */
             $weekday = $this->convertLiterals(substr($value, 0, strpos($value, 'L')));
             $weekday %= 7;
 

src/Cron/HoursField.php

@@ -50,7 +50,7 @@ public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bo
 
         // Are we on the edge of a transition
         $lastTransition = $this->getPastTransition($date);
-        if (($lastTransition !== null) && ($lastTransition["ts"] > ($date->format('U') - 3600))) {
+        if (($lastTransition !== null) && ($lastTransition["ts"] > ((int) $date->format('U') - 3600))) {
             $dtLastOffset = clone $date;
             $this->timezoneSafeModify($dtLastOffset, "-1 hour");
             $lastOffset = $dtLastOffset->getOffset();