diff --git a/src/Propel/Generator/Model/PropelTypes.php b/src/Propel/Generator/Model/PropelTypes.php
index c7c96b2f5..276232a0e 100644
--- a/src/Propel/Generator/Model/PropelTypes.php
+++ b/src/Propel/Generator/Model/PropelTypes.php
@@ -555,7 +555,7 @@ public static function isTemporalType(string $type): bool
             self::TIMESTAMP,
             self::BU_DATE,
             self::BU_TIMESTAMP,
-        ]);
+        ], true);
     }
 
     /**
@@ -579,7 +579,7 @@ public static function isTextType(string $mappingType): bool
             self::BU_DATE,
             self::BU_TIMESTAMP,
             self::JSON,
-        ]);
+        ], true);
     }
 
     /**
@@ -601,7 +601,7 @@ public static function isNumericType(string $mappingType): bool
             self::NUMERIC,
             self::DECIMAL,
             self::REAL,
-        ]);
+        ], true);
     }
 
     /**
@@ -613,7 +613,7 @@ public static function isNumericType(string $mappingType): bool
      */
     public static function isBooleanType(string $mappingType): bool
     {
-        return in_array($mappingType, [self::BOOLEAN, self::BOOLEAN_EMU]);
+        return in_array($mappingType, [self::BOOLEAN, self::BOOLEAN_EMU], true);
     }
 
     /**
@@ -625,7 +625,7 @@ public static function isBooleanType(string $mappingType): bool
      */
     public static function isLobType(string $mappingType): bool
     {
-        return in_array($mappingType, [self::VARBINARY, self::LONGVARBINARY, self::BLOB, self::OBJECT, self::GEOMETRY]);
+        return in_array($mappingType, [self::VARBINARY, self::LONGVARBINARY, self::BLOB, self::OBJECT, self::GEOMETRY], true);
     }
 
     /**
@@ -639,7 +639,7 @@ public static function isUuidType(string $type): bool
     {
         return in_array($type, [
             self::UUID,
-        ]);
+        ], true);
     }
 
     /**
@@ -651,7 +651,7 @@ public static function isUuidType(string $type): bool
      */
     public static function isPhpPrimitiveType(string $phpType): bool
     {
-        return in_array($phpType, ['boolean', 'int', 'double', 'float', 'string']);
+        return in_array($phpType, ['boolean', 'int', 'double', 'float', 'string'], true);
     }
 
     /**
@@ -663,7 +663,7 @@ public static function isPhpPrimitiveType(string $phpType): bool
      */
     public static function isPhpPrimitiveNumericType(string $phpType): bool
     {
-        return in_array($phpType, ['boolean', 'int', 'double', 'float']);
+        return in_array($phpType, ['boolean', 'int', 'double', 'float'], true);
     }
 
     /**
@@ -675,7 +675,7 @@ public static function isPhpPrimitiveNumericType(string $phpType): bool
      */
     public static function isPhpObjectType(string $phpType): bool
     {
-        return !self::isPhpPrimitiveType($phpType) && !in_array($phpType, ['resource', 'array']);
+        return !self::isPhpPrimitiveType($phpType) && !in_array($phpType, ['resource', 'array'], true);
     }
 
     /**
diff --git a/src/Propel/Generator/Platform/PgsqlPlatform.php b/src/Propel/Generator/Platform/PgsqlPlatform.php
index 546151f39..fe1300664 100755
--- a/src/Propel/Generator/Platform/PgsqlPlatform.php
+++ b/src/Propel/Generator/Platform/PgsqlPlatform.php
@@ -583,7 +583,7 @@ public function supportsSchemas(): bool
      */
     public function hasSize(string $sqlType): bool
     {
-        return !in_array($sqlType, ['BYTEA', 'TEXT', 'DOUBLE PRECISION']);
+        return !in_array(strtoupper($sqlType), ['BYTEA', 'TEXT', 'DOUBLE PRECISION'], true);
     }
 
     /**
@@ -737,7 +737,7 @@ public function isUuid(string $type): bool
     {
         $strings = ['UUID'];
 
-        return in_array(strtoupper($type), $strings);
+        return in_array(strtoupper($type), $strings, true);
     }
 
     /**
@@ -749,7 +749,7 @@ public function isString(string $type): bool
     {
         $strings = ['VARCHAR'];
 
-        return in_array(strtoupper($type), $strings);
+        return in_array(strtoupper($type), $strings, true);
     }
 
     /**
@@ -761,7 +761,7 @@ public function isNumber(string $type): bool
     {
         $numbers = ['INTEGER', 'INT4', 'INT2', 'NUMBER', 'NUMERIC', 'SMALLINT', 'BIGINT', 'DECIMAL', 'REAL', 'DOUBLE PRECISION', 'SERIAL', 'BIGSERIAL'];
 
-        return in_array(strtoupper($type), $numbers);
+        return in_array(strtoupper($type), $numbers, true);
     }
 
     /**