代码示例:(标识:demo_php_file_fgetc)
<!DOCTYPE html>
<html>
<body>

<?php
$myfile = fopen("webdictionary.txt", "r") or die("Unable to open file!");
// 输出单字符直到 end-of-file
while(!feof($myfile)) {
   echo fgetc($myfile);
}
fclose($myfile);
?>

</body>
</html>
运行结果: