ImageValidator

Use ImageValidator for a single PHP upload such as a profile or cover image.

Create a rule

Rule::image(string $field): ImageValidator

Methods

Method	Description
`maxFileSizeMB(int $megabytes)`	Set the maximum upload size.
`validate(mixed $value)`	Validate the uploaded file.
`optional()`	Allow no upload.
`isJpegImage(string $contents)`	Check JPEG signatures.
`isPngImage(string $contents)`	Check PNG signatures.
`isGifImage(string $contents)`	Check GIF signatures.
`isBmpImage(string $contents)`	Check BMP signatures.
`isTiffImage(string $contents)`	Check TIFF signatures.
`isAvifImage(string $contents)`	Check AVIF signatures.

Example

use Fynix\Rule;

$validator = Rule::image('profileImage')
    ->maxFileSizeMB(5);

$error = $validator->validateField($_FILES['profileImage'] ?? null);

Fynix checks the upload error, temporary path, size, extension, and actual image content. The default size limit is 5 MB.