(PHP 4, PHP 5)
imap_fetchstructure — Read the structure of a particular message
Fetches all the structured information for a given message.
由 imap_open() 返回的 IMAP 流。
The message number
This optional parameter only has a single option, FT_UID, which tells the function to treat the msg_number argument as a UID.
Returns an object includes the envelope, internal date, size, flags and body structure along with a similar object for each mime attachment. The structure of the returned objects is as follows:
| 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. |
| 0 | text |
| 1 | multipart |
| 2 | message |
| 3 | application |
| 4 | audio |
| 5 | image |
| 6 | video |
| 7 | other |
| 0 | 7BIT |
| 1 | 8BIT |
| 2 | BINARY |
| 3 | BASE64 |
| 4 | QUOTED-PRINTABLE |
| 5 | OTHER |