Rector: PHP 8.0: apply ClassPropertyAssignToConstructorPromotionRector

src/Clock/FixedClock.php

@@ -13,14 +13,11 @@
  */
 final class FixedClock implements Clock
 {
-    private Instant $instant;
-
     /**
      * @param Instant $instant The time to set the clock at.
      */
-    public function __construct(Instant $instant)
+    public function __construct(private Instant $instant)
     {
-        $this->instant = $instant;
     }
 
     public function getTime(): Instant

src/Clock/OffsetClock.php

@@ -13,24 +13,14 @@
  */
 final class OffsetClock implements Clock
 {
-    /**
-     * The reference clock.
-     */
-    private readonly Clock $referenceClock;
-
-    /**
-     * The offset to apply to the clock.
-     */
-    private readonly Duration $offset;
-
     /**
      * @param Clock    $referenceClock The reference clock.
      * @param Duration $offset         The offset to apply to the clock.
      */
-    public function __construct(Clock $referenceClock, Duration $offset)
-    {
-        $this->referenceClock = $referenceClock;
-        $this->offset = $offset;
+    public function __construct(
+        private readonly Clock $referenceClock,
+        private readonly Duration $offset
+    ) {
     }
 
     public function getTime(): Instant

src/Clock/ScaleClock.php

@@ -13,21 +13,11 @@
  */
 final class ScaleClock implements Clock
 {
-    /**
-     * The reference clock.
-     */
-    private readonly Clock $referenceClock;
-
     /**
      * The start time.
      */
     private readonly Instant $startTime;
 
-    /**
-     * The time scale.
-     */
-    private readonly int $timeScale;
-
     /**
      * - a scale > 1 makes the time move at an accelerated pace;
      * - a scale == 1 makes the time move at the normal pace;
@@ -37,11 +27,11 @@ final class ScaleClock implements Clock
      * @param Clock $referenceClock The reference clock.
      * @param int   $timeScale      The time scale.
      */
-    public function __construct(Clock $referenceClock, int $timeScale)
-    {
-        $this->referenceClock = $referenceClock;
-        $this->startTime = $referenceClock->getTime();
-        $this->timeScale = $timeScale;
+    public function __construct(
+        private readonly Clock $referenceClock,
+        private readonly int $timeScale
+    ) {
+        $this->startTime = $this->referenceClock->getTime();
     }
 
     public function getTime(): Instant

src/Duration.php

@@ -26,28 +26,17 @@
  */
 final class Duration implements JsonSerializable, Stringable
 {
-    /**
-     * The duration in seconds.
-     */
-    private readonly int $seconds;
-
-    /**
-     * The nanoseconds adjustment to the duration, in the range 0 to 999,999,999.
-     *
-     * A duration of -1 nanoseconds is stored as -1 seconds plus 999,999,999 nanoseconds.
-     */
-    private readonly int $nanos;
-
     /**
      * Private constructor. Use one of the factory methods to obtain a Duration.
      *
      * @param int $seconds The duration in seconds.
-     * @param int $nanos   The nanoseconds adjustment, validated in the range 0 to 999,999,999.
+     * @param int $nanos   The nanoseconds adjustment to the duration, validated in the range 0 to 999,999,999.
+     *                     A duration of -1 nanoseconds is stored as -1 seconds plus 999,999,999 nanoseconds.
      */
-    private function __construct(int $seconds, int $nanos = 0)
-    {
-        $this->seconds = $seconds;
-        $this->nanos = $nanos;
+    private function __construct(
+        private readonly int $seconds,
+        private readonly int $nanos = 0
+    ) {
     }
 
     /**

src/Instant.php

@@ -25,26 +25,16 @@
  */
 final class Instant implements JsonSerializable, Stringable
 {
-    /**
-     * The number of seconds since the epoch of 1970-01-01T00:00:00Z.
-     */
-    private readonly int $epochSecond;
-
-    /**
-     * The nanoseconds adjustment to the epoch second, in the range 0 to 999,999,999.
-     */
-    private readonly int $nano;
-
     /**
      * Private constructor. Use of() to obtain an Instant.
      *
-     * @param int $epochSecond The epoch second.
-     * @param int $nano        The nanosecond adjustment, validated in the range 0 to 999,999,999.
+     * @param int $epochSecond The number of seconds since the epoch of 1970-01-01T00:00:00Z.
+     * @param int $nano        The nanosecond adjustment to the epoch second, validated in the range 0 to 999,999,999.
      */
-    private function __construct(int $epochSecond, int $nano)
-    {
-        $this->epochSecond = $epochSecond;
-        $this->nano = $nano;
+    private function __construct(
+        private readonly int $epochSecond,
+        private readonly int $nano
+    ) {
     }
 
     /**

src/Interval.php

@@ -16,23 +16,13 @@
 final class Interval implements JsonSerializable, Stringable
 {
     /**
-     * The start instant, inclusive.
+     * @param Instant $start The start instant, inclusive.
+     * @param Instant $end   The end instant, exclusive, validated as not before the start instant.
      */
-    private readonly Instant $start;
-
-    /**
-     * The end instant, exclusive.
-     */
-    private readonly Instant $end;
-
-    /**
-     * @param Instant $startInclusive The start instant, inclusive.
-     * @param Instant $endExclusive   The end instant, exclusive, validated as not before the start instant.
-     */
-    private function __construct(Instant $startInclusive, Instant $endExclusive)
-    {
-        $this->start = $startInclusive;
-        $this->end = $endExclusive;
+    private function __construct(
+        private readonly Instant $start,
+        private readonly Instant $end
+    ) {
     }
 
     /**

src/LocalDate.php

@@ -48,33 +48,18 @@ final class LocalDate implements JsonSerializable, Stringable
      */
     public const DAYS_PER_CYCLE = 146097;
 
-    /**
-     * The year.
-     */
-    private readonly int $year;
-
-    /**
-     * The month-of-year.
-     */
-    private readonly int $month;
-
-    /**
-     * The day-of-month.
-     */
-    private readonly int $day;
-
     /**
      * Private constructor. Use of() to obtain an instance.
      *
      * @param int $year  The year, validated from MIN_YEAR to MAX_YEAR.
      * @param int $month The month-of-year, validated from 1 to 12.
      * @param int $day   The day-of-month, validated from 1 to 31, valid for the year-month.
      */
-    private function __construct(int $year, int $month, int $day)
-    {
-        $this->year = $year;
-        $this->month = $month;
-        $this->day = $day;
+    private function __construct(
+        private readonly int $year,
+        private readonly int $month,
+        private readonly int $day
+    ) {
     }
 
     /**

src/LocalDateRange.php

@@ -26,24 +26,14 @@
  */
 final class LocalDateRange implements IteratorAggregate, Countable, JsonSerializable, Stringable
 {
-    /**
-     * The start date, inclusive.
-     */
-    private readonly LocalDate $start;
-
-    /**
-     * The end date, inclusive.
-     */
-    private readonly LocalDate $end;
-
     /**
      * @param LocalDate $start The start date, inclusive.
      * @param LocalDate $end   The end date, inclusive, validated as not before the start date.
      */
-    private function __construct(LocalDate $start, LocalDate $end)
-    {
-        $this->start = $start;
-        $this->end = $end;
+    private function __construct(
+        private readonly LocalDate $start,
+        private readonly LocalDate $end
+    ) {
     }
 
     /**

src/LocalDateTime.php

@@ -24,14 +24,10 @@
  */
 final class LocalDateTime implements JsonSerializable, Stringable
 {
-    private readonly LocalDate $date;
-
-    private readonly LocalTime $time;
-
-    public function __construct(LocalDate $date, LocalTime $time)
-    {
-        $this->date = $date;
-        $this->time = $time;
+    public function __construct(
+        private readonly LocalDate $date,
+        private readonly LocalTime $time
+    ) {
     }
 
     /**

src/LocalTime.php

@@ -43,26 +43,6 @@ final class LocalTime implements JsonSerializable, Stringable
     public const NANOS_PER_MILLI = 1_000_000;
     public const MILLIS_PER_SECOND = 1000;
 
-    /**
-     * The hour, in the range 0 to 23.
-     */
-    private readonly int $hour;
-
-    /**
-     * The minute, in the range 0 to 59.
-     */
-    private readonly int $minute;
-
-    /**
-     * The second, in the range 0 to 59.
-     */
-    private readonly int $second;
-
-    /**
-     * The nanosecond, in the range 0 to 999,999,999.
-     */
-    private readonly int $nano;
-
     /**
      * Private constructor. Use of() to obtain an instance.
      *
@@ -71,12 +51,12 @@ final class LocalTime implements JsonSerializable, Stringable
      * @param int $second The second-of-minute, validated in the range 0 to 59.
      * @param int $nano   The nano-of-second, validated in the range 0 to 999,999,999.
      */
-    private function __construct(int $hour, int $minute, int $second, int $nano)
-    {
-        $this->hour = $hour;
-        $this->minute = $minute;
-        $this->second = $second;
-        $this->nano = $nano;
+    private function __construct(
+        private readonly int $hour,
+        private readonly int $minute,
+        private readonly int $second,
+        private readonly int $nano
+    ) {
     }
 
     /**

src/MonthDay.php

@@ -16,26 +16,16 @@
  */
 final class MonthDay implements JsonSerializable, Stringable
 {
-    /**
-     * The month-of-year, from 1 to 12.
-     */
-    private readonly int $month;
-
-    /**
-     * The day-of-month, from 1 to 31.
-     */
-    private readonly int $day;
-
     /**
      * Private constructor. Use of() to obtain an instance.
      *
-     * @param int $month The month-of-year, validated.
-     * @param int $day   The day-of-month, validated.
+     * @param int $month The month-of-year, validated in the range of 1 to 12.
+     * @param int $day   The day-of-month, validated in the range of 1 to 31, valid for this month.
      */
-    private function __construct(int $month, int $day)
-    {
-        $this->month = $month;
-        $this->day = $day;
+    private function __construct(
+        private readonly int $month,
+        private readonly int $day
+    ) {
     }
 
     /**

src/Parser/PatternParser.php

@@ -12,21 +12,14 @@
  */
 final class PatternParser implements DateTimeParser
 {
-    private readonly string $pattern;
-
-    /**
-     * @var string[]
-     */
-    private readonly array $fields;
-
     /**
      * @param string   $pattern The regular expression pattern.
      * @param string[] $fields  The fields constants to match.
      */
-    public function __construct(string $pattern, array $fields)
-    {
-        $this->pattern = $pattern;
-        $this->fields = $fields;
+    public function __construct(
+        private readonly string $pattern,
+        private readonly array $fields
+    ) {
     }
 
     public function getPattern(): string