PHP5中文手册·Return information about a file -- 追寻梦想＞编程乐园＞PHP 编程

说明

string finfo_file ( resource $finfo , string $file_name [, int $options [, resource $context ]] )

finfo

string file ( string $file_name [, int $options [, resource $context ]] )

This function is used to get information about a file.

参数

finfo: Fileinfo resource returned by finfo_open().
file_name: Name of a file to be checked.
options: One or disjunction of more Fileinfo constants.
context: For a description of contexts, refer to Streams.

返回值

Returns a textual description of the contents of the filename argument, or FALSE if an error occurred.

范例

Example#1 A finfo_file() example


<?php
$finfo = finfo_open(FILEINFO_MIME); // return mime type ala mimetype extension
foreach (glob("*") as $filename) {
    echo finfo_file($finfo, $filename) . "\n";
}
finfo_close($finfo);
?>

上例的输出类似于：

text/html
image/gif
application/vnd.ms-excel

参见

finfo_buffer()


	PHP5中文手册 finfo_close finfo_open Fileinfo PHP Manual finfo_file (PECL fileinfo:0.1-1.0.4) finfo_file — Return information about a file 说明 string finfo_file ( resource `$finfo` , string `$file_name` [, int `$options` [, resource `$context` ]] ) finfo string file ( string `$file_name` [, int `$options` [, resource `$context` ]] ) This function is used to get information about a file. 参数 `finfo` Fileinfo resource returned by finfo_open(). `file_name` Name of a file to be checked. `options` One or disjunction of more Fileinfo constants. `context` For a description of contexts, refer to Streams. 返回值 Returns a textual description of the contents of the `filename` argument, or `FALSE` if an error occurred. 范例 Example#1 A finfo_file() example `<?php $finfo = finfo_open(FILEINFO_MIME); // return mime type ala mimetype extension foreach (glob("*") as $filename) { echo finfo_file($finfo, $filename) . "\n"; } finfo_close($finfo); ?>` 上例的输出类似于： text/html image/gif application/vnd.ms-excel 参见 finfo_buffer() finfo_close finfo_open Fileinfo PHP Manual