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vendor/nesbot/carbon/src/Carbon/Traits/Converter.php

@@ -16,6 +16,7 @@ use Carbon\CarbonImmutable;
 use Carbon\CarbonInterface;
 use Carbon\CarbonInterval;
 use Carbon\CarbonPeriod;
+use Carbon\CarbonPeriodImmutable;
 use Carbon\Exceptions\UnitException;
 use Closure;
 use DateTime;
@@ -34,39 +35,7 @@ use ReturnTypeWillChange;
  */
 trait Converter
 {
-    /**
-     * Format to use for __toString method when type juggling occurs.
-     *
-     * @var string|Closure|null
-     */
-    protected static $toStringFormat;
-
-    /**
-     * Reset the format used to the default when type juggling a Carbon instance to a string
-     *
-     * @return void
-     */
-    public static function resetToStringFormat()
-    {
-        static::setToStringFormat(null);
-    }
-
-    /**
-     * @deprecated To avoid conflict between different third-party libraries, static setters should not be used.
-     *             You should rather let Carbon object being casted to string with DEFAULT_TO_STRING_FORMAT, and
-     *             use other method or custom format passed to format() method if you need to dump an other string
-     *             format.
-     *
-     * Set the default format used when type juggling a Carbon instance to a string
-     *
-     * @param string|Closure|null $format
-     *
-     * @return void
-     */
-    public static function setToStringFormat($format)
-    {
-        static::$toStringFormat = $format;
-    }
+    use ToStringFormat;
 
     /**
      * Returns the formatted date string on success or FALSE on failure.
@@ -110,7 +79,7 @@ trait Converter
      *
      * @example
      * ```
-     * echo Carbon::now(); // Carbon instances can be casted to string
+     * echo Carbon::now(); // Carbon instances can be cast to string
      * ```
      *
      * @return string
@@ -158,6 +127,21 @@ trait Converter
         return $this->rawFormat('M j, Y');
     }
 
+    /**
+     * Format the instance with the day, and a readable date
+     *
+     * @example
+     * ```
+     * echo Carbon::now()->toFormattedDayDateString();
+     * ```
+     *
+     * @return string
+     */
+    public function toFormattedDayDateString(): string
+    {
+        return $this->rawFormat('D, M j, Y');
+    }
+
     /**
      * Format the instance as time
      *
@@ -622,16 +606,18 @@ trait Converter
             $interval = CarbonInterval::make("$interval ".static::pluralUnit($unit));
         }
 
-        $period = (new CarbonPeriod())->setDateClass(static::class)->setStartDate($this);
+        $period = ($this->isMutable() ? new CarbonPeriod() : new CarbonPeriodImmutable())
+            ->setDateClass(static::class)
+            ->setStartDate($this);
 
         if ($interval) {
-            $period->setDateInterval($interval);
+            $period = $period->setDateInterval($interval);
         }
 
-        if (\is_int($end) || \is_string($end) && ctype_digit($end)) {
-            $period->setRecurrences($end);
+        if (\is_int($end) || (\is_string($end) && ctype_digit($end))) {
+            $period = $period->setRecurrences($end);
         } elseif ($end) {
-            $period->setEndDate($end);
+            $period = $period->setEndDate($end);
         }
 
         return $period;