replace 'array_key_exists' with 'Arr::exists'

- and replace == to ===, != to !== in according places

Author: johguentner

src/Entities/Properties/Formula.php

@@ -4,6 +4,7 @@
 
 use DateTime;
 use FiveamCode\LaravelNotionApi\Entities\PropertyItems\RichDate;
+use Illuminate\Support\Arr;
 
 /**
  * Class Formula
@@ -20,12 +21,12 @@ protected function fillFromRaw(): void
     {
         parent::fillFromRaw();
 
-        if (array_key_exists('type', $this->rawContent)) {
+        if (Arr::exists($this->rawContent, 'type')) {
             $this->formulaType = $this->rawContent['type'];
 
-            if ($this->formulaType == 'string' || $this->formulaType == 'number' || $this->formulaType == 'boolean') {
+            if ($this->formulaType === 'string' || $this->formulaType === 'number' || $this->formulaType === 'boolean') {
                 $this->content = $this->rawContent[$this->formulaType];
-            } else if ($this->formulaType == 'date') {
+            } else if ($this->formulaType === 'date') {
                 $this->content = new RichDate();
                 if (isset($this->rawContent[$this->formulaType]['start'])) $this->content->setStart(new DateTime($this->rawContent[$this->formulaType]['start']));
                 if (isset($this->rawContent[$this->formulaType]['end'])) $this->content->setEnd(new DateTime($this->rawContent[$this->formulaType]['end']));

src/Entities/Properties/LastEditedTime.php

@@ -20,7 +20,7 @@ protected function fillFromRaw(): void
         parent::fillFromRaw();
 
         try {
-            if ($this->rawContent != null) {
+            if ($this->rawContent !== null) {
                 $this->content = new DateTime($this->rawContent);
             }
         } catch (Exception $e) {

src/Entities/Properties/MultiSelect.php

@@ -5,6 +5,7 @@
 use FiveamCode\LaravelNotionApi\Entities\Contracts\Modifiable;
 use FiveamCode\LaravelNotionApi\Entities\PropertyItems\SelectItem;
 use FiveamCode\LaravelNotionApi\Exceptions\HandlingException;
+use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;
 
 /**
@@ -56,7 +57,7 @@ protected function fillFromRaw(): void
 
         $itemCollection = new Collection();
 
-        if(array_key_exists('options', $this->rawContent)){
+        if(Arr::exists($this->rawContent, 'options')){
             $this->options = new Collection();
             foreach ($this->rawContent['options'] as $key => $item) {
                 $this->options->add(new SelectItem($item));

src/Entities/Properties/Rollup.php

@@ -5,6 +5,7 @@
 use DateTime;
 use FiveamCode\LaravelNotionApi\Entities\PropertyItems\RichDate;
 use FiveamCode\LaravelNotionApi\Exceptions\HandlingException;
+use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;
 
 /**
@@ -22,7 +23,7 @@ protected function fillFromRaw(): void
     {
         parent::fillFromRaw();
 
-        if(array_key_exists('type', $this->rawContent))
+        if(Arr::exists($this->rawContent, 'type'))
         {
             $this->rollupType = $this->rawContent['type'];