php method to hide the real address of the picture: use base64 encoding to hide the real address of the picture, the code is [$file = file_get_contents($file['tmp_name']);$data = base64_encode($file);] .
php method to hide the real address of the picture:
PHP can use base64 encoding to hide the real address of the picture. After hiding, the image address in this format will be displayed data:QUFodHRwOi8vd3d3LmJhaWR1. Websites such as Xiang Moubao currently use this method, and it can improve the loading speed. The specific PHP code can be as follows:
<?php
header('Content-type: text/html; charset=utf-8');
if (strtolower($_SERVER['REQUEST_METHOD']) == 'post') {
if (!isset($_FILES['file'])) exit('请上传图片');
$file = $_FILES['file'];
$dataType = array('png', 'jpg', 'jpeg', 'gif');
$ext = strtolower(substr(strrchr($file['name'], '.'), 1));
if (!isset($file['tmp_name']) || $file['error'] > 0) exit('上传失败');
if (!in_array($ext, $dataType)) exit('图片格式错误');
$file = file_get_contents($file['tmp_name']);
$data = base64_encode($file);
echo 'data:image/'.$ext.';base64,'.$data;
} else {
?>
<html>
<head><title>图片base64编码</title></head>
<body>
<form method="post">
<input type="file">
<input type="submit" value="提交">
</form>
</body>
</html>
<?php
}
?>Related free learning recommendations: php programming (video)
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