|
public isValid ( $value, |
||
| $constraint | ||
public function isValid($value, Constraint $constraint)
{
$isValid = parent::isValid($value, $constraint);
if (!$isValid) {
return false;
}
if (null === $value || '' === $value) {
return true;
}
if (null === $constraint->minWidth && null === $constraint->maxWidth && null === $constraint->minHeight && null === $constraint->maxHeight) {
return true;
}
$size = @getimagesize($value);
if (empty($size) || $size[0] === 0 || $size[1] === 0) {
$this->setMessage($constraint->sizeNotDetectedMessage);
return false;
}
$width = $size[0];
$height = $size[1];
if ($constraint->minWidth) {
if (!ctype_digit((string) $constraint->minWidth)) {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum width', $constraint->minWidth));
}
if ($width < $constraint->minWidth) {
$this->setMessage($constraint->minWidthMessage, array('{{ width }}' => $width, '{{ min_width }}' => $constraint->minWidth));
return false;
}
}
if ($constraint->maxWidth) {
if (!ctype_digit((string) $constraint->maxWidth)) {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum width', $constraint->maxWidth));
}
if ($width > $constraint->maxWidth) {
$this->setMessage($constraint->maxWidthMessage, array('{{ width }}' => $width, '{{ max_width }}' => $constraint->maxWidth));
return false;
}
}
if ($constraint->minHeight) {
if (!ctype_digit((string) $constraint->minHeight)) {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum height', $constraint->minHeight));
}
if ($height < $constraint->minHeight) {
$this->setMessage($constraint->minHeightMessage, array('{{ height }}' => $height, '{{ min_height }}' => $constraint->minHeight));
return false;
}
}
if ($constraint->maxHeight) {
if (!ctype_digit((string) $constraint->maxHeight)) {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum height', $constraint->maxHeight));
}
if ($height > $constraint->maxHeight) {
$this->setMessage($constraint->maxHeightMessage, array('{{ height }}' => $height, '{{ max_height }}' => $constraint->maxHeight));
return false;
}
}
return true;
}
