Answers for "php get decode base64 image and display"

php image to base64

$path = 'myfolder/myimage.png';
$type = pathinfo($path, PATHINFO_EXTENSION);
$data = file_get_contents($path);
$base64 = 'data:image/' . $type . ';base64,' . base64_encode($data);

php detect base64 encoding

function is_base64_encoded($data)
{
    if (preg_match('%^[a-zA-Z0-9/+]*={0,2}$%', $data)) {
       return TRUE;
    } else {
       return FALSE;
    }
};

is_base64_encoded("iash21iawhdj98UH3"); // true
is_base64_encoded("#iu3498r"); // false
is_base64_encoded("asiudfh9w=8uihf"); // false
is_base64_encoded("a398UIhnj43f/1!+sadfh3w84hduihhjw=="); // false