- base64_decode: documentation ( source)
- explode: documentation ( source)
<?php
$rawdata = 'data:image/png;base64,AAAFBfj42Pj4';
list($type, $data) = explode(';', $rawdata);
list(, $data) = explode(',', $data);
$data = base64_decode($data);
echo $data;
echo '<br>';
list(, $data) = explode('base64,',$rawdata);
echo $data;