php Base64到图像

Posted 2021-05-04

<?php
function base64ToImage($base64_string) {

	preg_match("/^data:image\/(.*);base64/i", $base64_string, $extension);

	$file_extension = $extension[1];

	if($file_extension == 'svg+xml'){ $file_extension = 'svg'; }

	$file_name      = md5($base64_string.date('Y-m-d H:i:s'));
	$file_fullname  = $file_name.'.'.$file_extension;

	$output_file = './uploads/'.$file_fullname;

    $file = fopen($output_file, "wb");

    $data = explode(',', $base64_string);

    fwrite($file, base64_decode($data[1]));
    fclose($file);

    return $file_fullname;
}