diff --git a/src/Php/Context/FunctionContext.php b/src/Php/Context/FunctionContext.php
index 66ac809b..7be2630a 100644
--- a/src/Php/Context/FunctionContext.php
+++ b/src/Php/Context/FunctionContext.php
@@ -96,7 +96,7 @@ class FunctionContext
 
     public function leaveScope(): void
     {
-        unset($this->scopeLayouts[$this->scopeLevel]);
         $this->scopeLevel--;
+        unset($this->scopeLayouts[$this->scopeLevel]);
     }
 }
diff --git a/src/Php/Parser/TypeConversionTrait.php b/src/Php/Parser/TypeConversionTrait.php
index 0dcd897b..cec3d0b8 100644
--- a/src/Php/Parser/TypeConversionTrait.php
+++ b/src/Php/Parser/TypeConversionTrait.php
@@ -76,7 +76,7 @@ trait TypeConversionTrait
             return 'php::toBigInt(' . $this->trimBrackets($expr) . ')';
         }
         if ($fromType === self::TYPE_FLOAT) {
-            $this->fatalError(null, 'Cannot convert float to BigInt, use string or int instead');
+            $this->error('Cannot convert float to BigInt, use string or int instead');
         }
         if ($fromType === self::TYPE_STR) {
             return 'php::toBigInt(php::toString(' . $this->trimBrackets($expr) . '))';
diff --git a/src/Php/Parser/TypeDetectionTrait.php b/src/Php/Parser/TypeDetectionTrait.php
index 84d917e3..8005dc41 100644
--- a/src/Php/Parser/TypeDetectionTrait.php
+++ b/src/Php/Parser/TypeDetectionTrait.php
@@ -138,7 +138,7 @@ trait TypeDetectionTrait
 
     protected function isArrayVar($var): bool
     {
-        return $this->isVarExpr($var) and $this->hasVar($var->name) and $this->getVarType($var->name) == self::TYPE_ARRAY;
+        return $this->isVarExpr($var) and $this->hasVar($var->name) and $this->getVarType($var->name) === self::TYPE_ARRAY;
     }
 
 }