wp-includes/php-ai-client/src/Files/ValueObjects/MimeType.php:166Checks if this MIME type is a specific type.
$mimeTypestringbool public function isType(string $mimeType): bool { return str_starts_with($this->value, strtolower($mimeType) . '/'); }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Files/ValueObjects/MimeType.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.