array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.imap-headerinfo.php', 1 => 'imap_headerinfo', 2 => 'Read the header of the message', ), 'up' => array ( 0 => 'ref.imap.php', 1 => 'IMAP 函数', ), 'prev' => array ( 0 => 'function.imap-header.php', 1 => 'imap_header', ), 'next' => array ( 0 => 'function.imap-headers.php', 1 => 'imap_headers', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/imap/functions/imap-headerinfo.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

imap_headerinfo

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_headerinfoRead the header of the message

说明

imap_headerinfo(
    IMAP\Connection $imap,
    int $message_num,
    int $from_length = 0,
    int $subject_length = 0
): stdClass|false

Gets information about the given message number by reading its headers.

参数

imap

IMAP\Connection 实例。

message_num

The message number

from_length

Number of characters for the fetchfrom property. Must be greater than or equal to zero.

subject_length

Number of characters for the fetchsubject property Must be greater than or equal to zero.

defaulthost

返回值

Returns false on error or, if successful, the information in an object with following properties:

更新日志

版本 说明
8.1.0 现在 imap 参数接受 IMAP\Connection 实例,之前接受有效的 imap resource
8.0.0 The unused defaulthost parameter has been removed.

参见