(PHP 4, PHP 5, PHP 7, PHP 8)
imap_fetchstructure — Read the structure of a particular message
$imap
, int $message_num
, int $flags = 0
) : stdClass|falseFetches all the structured information for a given message.
imap由 imap_open() 返回的 IMAP 流。
message_numThe message number
flags
This optional parameter only has a single option,
FT_UID, which tells the function to treat the
message_num argument as a
UID.
Returns an object with properties listed in the table below, 或者在失败时返回 false.
| type | Primary body type |
| encoding | Body transfer encoding |
| ifsubtype | true if there is a subtype string |
| subtype | MIME subtype |
| ifdescription | true if there is a description string |
| description | Content description string |
| ifid | true if there is an identification string |
| id | Identification string |
| lines | Number of lines |
| bytes | Number of bytes |
| ifdisposition | true if there is a disposition string |
| disposition | Disposition string |
| ifdparameters | true if the dparameters array exists |
| dparameters | An array of objects where each object has an
"attribute" and a "value"
property corresponding to the parameters on the
Content-disposition MIME
header. |
| ifparameters | true if the parameters array exists |
| parameters | An array of objects where each object has an
"attribute" and a "value"
property. |
| parts | An array of objects identical in structure to the top-level object, each of which corresponds to a MIME body part. |
| Value | Type | Constant |
|---|---|---|
| 0 | text | TYPETEXT |
| 1 | multipart | TYPEMULTIPART |
| 2 | message | TYPEMESSAGE |
| 3 | application | TYPEAPPLICATION |
| 4 | audio | TYPEAUDIO |
| 5 | image | TYPEIMAGE |
| 6 | video | TYPEVIDEO |
| 7 | model | TYPEMODEL |
| 8 | other | TYPEOTHER |
| Value | Type | Constant |
|---|---|---|
| 0 | 7bit | ENC7BIT |
| 1 | 8bit | ENC8BIT |
| 2 | Binary | ENCBINARY |
| 3 | Base64 | ENCBASE64 |
| 4 | Quoted-Printable | ENCQUOTEDPRINTABLE |
| 5 | other | ENCOTHER |