Remove unnecessary empty usages

Author: ostrolucky

Constraints/ImageValidator.php

@@ -52,7 +52,7 @@ public function validate(mixed $value, Constraint $constraint): void
 
         $size = @getimagesize($value);
 
-        if (empty($size) || (0 === $size[0]) || (0 === $size[1])) {
+        if (!$size || (0 === $size[0]) || (0 === $size[1])) {
             $this->context->buildViolation($constraint->sizeNotDetectedMessage)
                 ->setCode(Image::SIZE_NOT_DETECTED_ERROR)
                 ->addViolation();

Constraints/NotBlankValidator.php

@@ -35,7 +35,7 @@ public function validate(mixed $value, Constraint $constraint): void
             $value = ($constraint->normalizer)($value);
         }
 
-        if (false === $value || (empty($value) && '0' != $value)) {
+        if (false === $value || (!$value && '0' != $value)) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ value }}', $this->formatValue($value))
                 ->setCode(NotBlank::IS_BLANK_ERROR)

Constraints/Regex.php

@@ -91,9 +91,7 @@ public function getHtmlPattern(): ?string
     {
         // If htmlPattern is specified, use it
         if (null !== $this->htmlPattern) {
-            return empty($this->htmlPattern)
-                ? null
-                : $this->htmlPattern;
+            return $this->htmlPattern ?: null;
         }
 
         // Quit if delimiters not at very beginning/end (e.g. when options are passed)