How to fetch the values from stdClass in PHP?

Question

I am working on my php to search for the values from the stdClass array. I have a hard time with fetching the values from the array because it will not fetch the values and store in the $body_attachment array when I tried to use ifdisposition and disposition == 'inline' to search for the values I want.

When I tried this:

if (($structure->parts[$i]->ifdisposition) && ($structure->parts[$i]->disposition == 'inline')) {

    foreach($structure->parts[$i]->parameters as $object) {
        if(strtolower($object->attribute) == 'name') {
           $body_attachments[$body_number]['is_attachment'] = true;
           $body_attachments[$body_number]['name'] = $object->value;
        }
    }
    $body_number++;
}

It will output like this:

stdClass Object 
( 
    [type] => 1 
    [encoding] => 0 
    [ifsubtype] => 1 
    [subtype] => RELATED 
    [ifdescription] => 0 
[ifid] => 0 
    [ifdisposition] => 0 
[ifdparameters] => 0 
    [ifparameters] => 1 

                [1] => stdClass Object 
                ( 
                    [type] => 5 
                    [encoding] => 3 
                    [ifsubtype] => 1 
                    [subtype] => PNG 
                    [ifdescription] => 0 
                    [ifid] => 1 
                    [id] => 
                    [bytes] => 29154 
                    [ifdisposition] => 1 
                    [disposition] => inline 
                    [ifdparameters] => 1 
                    [dparameters] => Array 
                                   ( 
                                     [0] => stdClass Object 
                                     ( 
                                        [attribute] => filename 
                                        [value] => what-is-bootstrap.png 
                                      ) 
                                  ) 
                    [ifparameters] => 1 
                    [parameters] => Array 
                                  ( 
                                       [0] => stdClass Object 
                                       ( 
                                            [attribute] => name 
                                            [value] => what-is-bootstrap.png 
                                       ) 
                                   ) 
                ) 
             ) 
) 



stdClass Object 
    ( 
        [type] => 1 
        [encoding] => 0 
        [ifsubtype] => 1 
        [subtype] => RELATED 
        [ifdescription] => 0 
        [ifid] => 0 
        [ifdisposition] => 0 
        [ifdparameters] => 0 
        [ifparameters] => 1 
        [parameters] => Array 
                      ( 
                        [0] => stdClass Object 
                        ( 
                            [attribute] => boundary 
                            [value] => 000000000000098145058c769850 
                        ) 
                      ) 
        [parts] => Array 
                 ( 
                    [0] => stdClass Object 
                    ( 
                        [type] => 1 
                        [encoding] => 0 
                        [ifsubtype] => 1 
                        [subtype] => ALTERNATIVE 
                        [ifdescription] => 0 
                        [ifid] => 0 
                        [ifdisposition] => 0 
                        [ifdparameters] => 0 
                        [ifparameters] => 1 
                        [parameters] => Array 
                                      ( 
                                        [0] => stdClass Object 
                                        ( 
                                            [attribute] => boundary 
                                            [value] => 000000000000098144058c76984f 
                                        ) 
                                      ) 
                        [parts] => Array 
                                 ( 
                                    [0] => stdClass Object 
                                    ( 
                                        [type] => 0 
                                        [encoding] => 0 
                                        [ifsubtype] => 1 
                                        [subtype] => PLAIN 
                                        [ifdescription] => 0 
                                        [ifid] => 0 
                                        [lines] => 11 
                                        [bytes] => 425 
                                        [ifdisposition] => 0 
                                        [ifdparameters] => 0 
                                        [ifparameters] => 1 
                                        [parameters] => Array 
                                              ( 
                                                [0] => stdClass Object 
                                                ( 
                                                    [attribute] => charset 
                                                    [value] => UTF-8 
                                                ) 
                                              ) 
                                    ) 
                                    [1] => stdClass Object 
                                    ( 
                                        [type] => 0 
                                        [encoding] => 4 
                                        [ifsubtype] => 1 
                                        [subtype] => HTML 
                                        [ifdescription] => 0 
                                        [ifid] => 0 
                                        [lines] => 50 
                                        [bytes] => 3875 
                                        [ifdisposition] => 0 
                                        [ifdparameters] => 0 
                                        [ifparameters] => 1 
                                        [parameters] => Array 
                                              ( 
                                                   [0] => stdClass Object 
                                                   ( 
                                                        [attribute] => charset 
                                                        [value] => UTF-8 
                                                    ) 
                                               ) 
                                    ) 
                                 ) 
                    ) 
                    [1] => stdClass Object 
                         ( 
                            [type] => 5 
                            [encoding] => 3 
                            [ifsubtype] => 1 
                            [subtype] => PNG 
                            [ifdescription] => 0 
                            [ifid] => 1 
                            [id] => 
                            [bytes] => 29154 
                            [ifdisposition] => 1 
                            [disposition] => inline 
                            [ifdparameters] => 1 
                            [dparameters] => Array 
                                           ( 
                                               [0] => stdClass Object 
                                               ( 
                                                   [attribute] => filename 
                                                   [value] => what-is-bootstrap.png 
                                               ) 
                                            ) 
                            [ifparameters] => 1 
                            [parameters] => Array 
                                  ( 
                                    [0] => stdClass Object 
                                    ( 
                                        [attribute] => name 
                                        [value] => what-is-bootstrap.png 
                                    ) 
                                  ) 
                         ) 
                 ) 
    ) 
    Array 
    ( 
        [0] => stdClass Object 
            ( 
                [attribute] => boundary 
                [value] => 000000000000098145058c769850 
            ) 
    ) 

stdClass Object 
( 
    [type] => 5 
    [encoding] => 3 
    [ifsubtype] => 1 
    [subtype] => PNG 
    [ifdescription] => 0 
    [ifid] => 1 
    [id] => 
    [bytes] => 49090 
    [ifdisposition] => 1 
    [disposition] => attachment 
    [ifdparameters] => 1 
    [dparameters] => Array 
                   ( 
                        [0] => stdClass Object 
                        ( 
                            [attribute] => filename 
                            [value] => how-ajax-work.png 
                        ) 
                   ) 
    [ifparameters] => 1 
    [parameters] => Array 
                  ( 
                     [0] => stdClass Object 
                     ( 
                        [attribute] => name 
                        [value] => how-ajax-work.png 
                      ) 
                   ) 
)

It should be:

[1] => stdClass Object 
( 
    [type] => 5 
    [encoding] => 3 
    [ifsubtype] => 1 
    [subtype] => PNG 
    [ifdescription] => 0 
    [ifid] => 1 
    [id] => 
    [bytes] => 29154 
    [ifdisposition] => 1 
    [disposition] => inline 
    [ifdparameters] => 1 
    [dparameters] => Array 
                   ( 
                       [0] => stdClass Object 
                       ( 
                            [attribute] => filename 
                            [value] => what-is-bootstrap.png 
                       ) 
                   ) 
    [ifparameters] => 1 
    [parameters] => Array 
                  ( 
                      [0] => stdClass Object 
                      ( 
                          [attribute] => name 
                          [value] => what-is-bootstrap.png 
                      ) 
                  ) 
 )

However I have tried this:

$body_attachments[$body_number] = array();

if (($structure->parts[$i]->disposition === 'inline')) {
    ...etc
}

And also I have tried this:

if (($structure->parts[$i]->ifdisposition) && ($structure->parts[$i]->disposition == 'inline')) {
 ...etc
}

It will not make any difference. It will not output the values from the stdClass where it have a value called inline.

Here is the full code:

<?php

require_once "Mail.php";
require_once('Mail/IMAPv2.php');

$username = 'username';
$password = 'password';
$mailserver = '{imap.example.com:993/imap/ssl/novalidate-cert}INBOX';
$mailbox = imap_open($mailserver, $username, $password) or die("Can't connect: " . imap_last_error());
$key = "mykey";
$email_number = openssl_decrypt(hex2bin($_GET['id']),'AES-128-CBC', $key);

$structure = imap_fetchstructure($mailbox, $email_number);
$body_attachments = array();
$body_number = 0;

for($i = 0; $i < count($structure->parts); $i++) {

    if (($structure->parts[$i]->ifdisposition) && ($structure->parts[$i]->disposition === 'inline')) {

        foreach($structure->parts[$i]->parameters as $object) {
            if(strtolower($object->attribute) == 'name') {
                $body_attachments[$body_number]['is_attachment'] = true;
                $body_attachments[$body_number]['name'] = $object->value;
             }
         }
     }
     $body_number++;
 }
 ?>

What I am trying to do is I want to search for the value inline from the stdClass array, then I want to fetch the value what-is-bootstrap.png to store it in the $body_attachment array.

Can you please show me an example how I can fetch the value from the stdClass array when I want to search for inline' to fetch the value of what-is-bootstrap.png to store in the $body_attachment array?

Thank you.

EDIT: Here is the var_dump output results:

array(2) { 
    [0]=> object(stdClass)#4 (11) { 
    ["type"]=> int(1) 
    ["encoding"]=> int(0) 
    ["ifsubtype"]=> int(1) 
    ["subtype"]=> string(7) "RELATED" 
    ["ifdescription"]=> int(0) 
    ["ifid"]=> int(0) 
    ["ifdisposition"]=> int(0) 
    ["ifdparameters"]=> int(0) 
    ["ifparameters"]=> int(1) 
    ["parameters"]=> array(1) { 
                            [0]=> object(stdClass)#5 (2) { 
                                ["attribute"]=> string(8) "boundary" 
                                ["value"]=> string(28) "0000000000004ee19c05879c2d0a" 
                            } } 
    ["parts"]=> array(2) { 
                            [0]=> object(stdClass)#6 (11) { 
                            ["type"]=> int(1) 
                            ["encoding"]=> int(0) 
                            ["ifsubtype"]=> int(1) 
                            ["subtype"]=> string(11) "ALTERNATIVE" 
                            ["ifdescription"]=> int(0) 
                            ["ifid"]=> int(0) 
                            ["ifdisposition"]=> int(0) 
                            ["ifdparameters"]=> int(0) 
                            ["ifparameters"]=> int(1) 
                            ["parameters"]=> array(1) { 
                                                   [0]=> object(stdClass)#7 (2) { 
                                                   ["attribute"]=> string(8) "boundary" 
                                                   ["value"]=> string(28) "0000000000004ee19b05879c2d09" 
                                                } } 
                            ["parts"]=> array(2) { 
                                                [0]=> object(stdClass)#8 (12) { 
                                                ["type"]=> int(0) 
                                                ["encoding"]=> int(0) 
                                                ["ifsubtype"]=> int(1) 
                                                ["subtype"]=> string(5) "PLAIN" 
                                                ["ifdescription"]=> int(0) 
                                                ["ifid"]=> int(0) 
                                                ["lines"]=> int(11) 
                                                ["bytes"]=> int(425) 
                                                ["ifdisposition"]=> int(0) 
                                                ["ifdparameters"]=> int(0) 
                                                ["ifparameters"]=> int(1) 
                                                ["parameters"]=> array(1) { 
                                                                        [0]=> object(stdClass)#9 (2) { 
                                                                        ["attribute"]=> string(7) "charset" 
                                                                        ["value"]=> string(5) "UTF-8" 
                                                                    } } 
                                            } 
                                                [1]=> object(stdClass)#10 (12) { 
                                                ["type"]=> int(0) 
                                                ["encoding"]=> int(4) 
                                                ["ifsubtype"]=> int(1) 
                                                ["subtype"]=> string(4) "HTML" 
                                                ["ifdescription"]=> int(0) 
                                                ["ifid"]=> int(0) 
                                                ["lines"]=> int(48) 
                                                ["bytes"]=> int(3734) 
                                                ["ifdisposition"]=> int(0) 
                                                ["ifdparameters"]=> int(0) 
                                                ["ifparameters"]=> int(1) 
                                                ["parameters"]=> array(1) { 
                                                                        [0]=> object(stdClass)#11 (2) { 
                                                                        ["attribute"]=> string(7) "charset" 
                                                                        ["value"]=> string(5) "UTF-8" 
                                                                    } } 
                                                } 
                                            } 
                             } [1]=> object(stdClass)#12 (14) { 
                                                          ["type"]=> int(5) 
                                                          ["encoding"]=> int(3) 
                                                          ["ifsubtype"]=> int(1) 
                                                          ["subtype"]=> string(3) "PNG" 
                                                          ["ifdescription"]=> int(0) 
                                                          ["ifid"]=> int(1) 
                                                          ["id"]=> string(14) "" 
                                                          ["bytes"]=> int(29154) 
                                                          ["ifdisposition"]=> int(1) 
                                                          ["disposition"]=> string(6) "inline" 
                                                          ["ifdparameters"]=> int(1) 
                                                          ["dparameters"]=> array(1) { 
                                                                                    [0]=> object(stdClass)#13 (2) { 
                                                                                    ["attribute"]=> string(8) "filename" 
                                                                                    ["value"]=> string(21) "what-is-bootstrap.png" 
                                                                                } } 
                                                          ["ifparameters"]=> int(1) 
                                                          ["parameters"]=> array(1) { 
                                                                                [0]=> object(stdClass)#14 (2) { 
                                                                                ["attribute"]=> string(4) "name" 
                                                                                ["value"]=> string(21) "what-is-bootstrap.png" 
                                                                            } } 
                                                        } 
                        }
    } [1]=> object(stdClass)#15 (14) { 
                                ["type"]=> int(5) 
                                ["encoding"]=> int(3) 
                                ["ifsubtype"]=> int(1) 
                                ["subtype"]=> string(3) "PNG" 
                                ["ifdescription"]=> int(0) 
                                ["ifid"]=> int(1) ["id"]=> string(13) "" 
                                ["bytes"]=> int(49090) 
                                ["ifdisposition"]=> int(1) 
                                ["disposition"]=> string(10) "attachment" 
                                ["ifdparameters"]=> int(1) 
                                ["dparameters"]=> array(1) { 
                                                        [0]=> object(stdClass)#16 (2) { 
                                                        ["attribute"]=> string(8) "filename" 
                                                        ["value"]=> string(17) "how-ajax-work.png" 
                                                    } } 
                                ["ifparameters"]=> int(1) 
                                ["parameters"]=> array(1) { 
                                                        [0]=> object(stdClass)#17 (2) { 
                                                        ["attribute"]=> string(4) "name" 
                                                        ["value"]=> string(17) "how-ajax-work.png" 
                                                    } } 
                            } 
} 

array(2) { 
    [0]=> object(stdClass)#4 (11) { 
    ["type"]=> int(1) 
    ["encoding"]=> int(0) 
    ["ifsubtype"]=> int(1) 
    ["subtype"]=> string(7) "RELATED" 
    ["ifdescription"]=> int(0) 
    ["ifid"]=> int(0) 
    ["ifdisposition"]=> int(0) 
    ["ifdparameters"]=> int(0) 
    ["ifparameters"]=> int(1) 
    ["parameters"]=> array(1) { 
                            [0]=> object(stdClass)#5 (2) { 
                            ["attribute"]=> string(8) "boundary" 
                            ["value"]=> string(28) "0000000000004ee19c05879c2d0a" 
                        } } 
    ["parts"]=> array(2) { 
                        [0]=> object(stdClass)#6 (11) { 
                        ["type"]=> int(1) 
                        ["encoding"]=> int(0) 
                        ["ifsubtype"]=> int(1) 
                        ["subtype"]=> string(11) "ALTERNATIVE" 
                        ["ifdescription"]=> int(0) 
                        ["ifid"]=> int(0) 
                        ["ifdisposition"]=> int(0) 
                        ["ifdparameters"]=> int(0) 
                        ["ifparameters"]=> int(1) 
                        ["parameters"]=> array(1) { 
                                                [0]=> object(stdClass)#7 (2) { 
                                                ["attribute"]=> string(8) "boundary" 
                                                ["value"]=> string(28) "0000000000004ee19b05879c2d09" 
                                            } } 
                        ["parts"]=> array(2) { 
                                            [0]=> object(stdClass)#8 (12) { 
                                            ["type"]=> int(0) 
                                            ["encoding"]=> int(0) 
                                            ["ifsubtype"]=> int(1) 
                                            ["subtype"]=> string(5) "PLAIN" 
                                            ["ifdescription"]=> int(0) 
                                            ["ifid"]=> int(0) 
                                            ["lines"]=> int(11) 
                                            ["bytes"]=> int(425) 
                                            ["ifdisposition"]=> int(0) 
                                            ["ifdparameters"]=> int(0) 
                                            ["ifparameters"]=> int(1) 
                                            ["parameters"]=> array(1) { 
                                                                    [0]=> object(stdClass)#9 (2) { 
                                                                    ["attribute"]=> string(7) "charset" 
                                                                    ["value"]=> string(5) "UTF-8" 
                                                                } } 
                                        } 
                                            [1]=> object(stdClass)#10 (12) { 
                                            ["type"]=> int(0) 
                                            ["encoding"]=> int(4) 
                                            ["ifsubtype"]=> int(1) 
                                            ["subtype"]=> string(4) "HTML" 
                                            ["ifdescription"]=> int(0) 
                                            ["ifid"]=> int(0) 
                                            ["lines"]=> int(48) 
                                            ["bytes"]=> int(3734) 
                                            ["ifdisposition"]=> int(0) 
                                            ["ifdparameters"]=> int(0) 
                                            ["ifparameters"]=> int(1) 
                                            ["parameters"]=> array(1) { 
                                                                    [0]=> object(stdClass)#11 (2) { 
                                                                    ["attribute"]=> string(7) "charset" 
                                                                    ["value"]=> string(5) "UTF-8" 
                                                                } } 
                                            } 
                                        } 
                        } 
                        [1]=> object(stdClass)#12 (14) { 
                        ["type"]=> int(5) 
                        ["encoding"]=> int(3) 
                        ["ifsubtype"]=> int(1) 
                        ["subtype"]=> string(3) "PNG" 
                        ["ifdescription"]=> int(0) 
                        ["ifid"]=> int(1) 
                        ["id"]=> string(14) "" 
                        ["bytes"]=> int(29154) 
                        ["ifdisposition"]=> int(1) 
                        ["disposition"]=> string(6) "inline" 
                        ["ifdparameters"]=> int(1) 
                        ["dparameters"]=> array(1) { 
                                                [0]=> object(stdClass)#13 (2) { 
                                                ["attribute"]=> string(8) "filename" 
                                                ["value"]=> string(21) "what-is-bootstrap.png" 
                                            } } 
                        ["ifparameters"]=> int(1) 
                        ["parameters"]=> array(1) { 
                                                [0]=> object(stdClass)#14 (2) { 
                                                ["attribute"]=> string(4) "name" 
                                                ["value"]=> string(21) "what-is-bootstrap.png" 
                                            } } 
                        } 
                    } 
    } 
    [1]=> object(stdClass)#15 (14) { 
    ["type"]=> int(5) 
    ["encoding"]=> int(3) 
    ["ifsubtype"]=> int(1) 
    ["subtype"]=> string(3) "PNG" 
    ["ifdescription"]=> int(0) 
    ["ifid"]=> int(1) 
    ["id"]=> string(13) "" 
    ["bytes"]=> int(49090) 
    ["ifdisposition"]=> int(1) 
    ["disposition"]=> string(10) "attachment" 
    ["ifdparameters"]=> int(1) 
    ["dparameters"]=> array(1) { 
                            [0]=> object(stdClass)#16 (2) { 
                            ["attribute"]=> string(8) "filename" 
                            ["value"]=> string(17) "how-ajax-work.png" 
                        } } 
    ["ifparameters"]=> int(1) 
    ["parameters"]=> array(1) { 
                            [0]=> object(stdClass)#17 (2) { 
                            ["attribute"]=> string(4) "name" 
                            ["value"]=> string(17) "how-ajax-work.png" 
                        } } 
    } 
}

Your first output that you mentioned belongs to what variable? And do you need the rest of values in $body_attachments or just the "inline" one? — HTMHell
– HTMHell, Commented Jul 5, 2019 at 22:21
@HTMHell Well thats belong to the variable $structure->parts[$i]. I want to store the value what-is-bootstrap.png in body_attachments in the same line as inline value. Make sense? — user11616198
– user11616198, Commented Jul 5, 2019 at 22:30
And to what if your code doesn't get to? the === 'inline' or the == 'name'? — HTMHell
– HTMHell, Commented Jul 5, 2019 at 22:42
@HTMHell It wont store the value what-is-bootstrap.png in the $body_attachments array. — user11616198
– user11616198, Commented Jul 5, 2019 at 22:43
@chris oojer, sorry for my mistake, array_values is not suited for this, I will post my answer using json_decode, true) instead — bdalina
– bdalina, Commented Jul 7, 2019 at 3:32

bdalina · Accepted Answer · 2019-07-07 03:49:30Z

Using json_decode(json_encode(), true) to simplify stdclass object to an associative array, because it is sometimes complicated to work with multiple mixed object and array in a single variable.

I just took a piece of the code at this part of condition and loop statement to make an example

if (($structure->parts[$i]->ifdisposition) && (strtolower($structure->parts[$i]->disposition) === 'inline')) 
{

Here is the only part I converted using json_decode(json_encode( $stdclass ),true)

It converts the stdclass object into associative arrays

    $parameters = json_decode(json_encode($structure->parts[$i]->parameters), true);
    for($i =0; $i < count($parameters); $i++) 
    {
        if(strtolower($parameters[$i]['attribute']) === 'name') {
            $body_attachments[$body_number]['is_attachment'] = true;
            $body_attachments[$body_number]['name'] = $parameters[$i]['name'];
         }
    }

End of loop

You can change your loop statements from object support to an array if you want to convert whole object to an associative array

you can also use this function get_object_vars( ) it also converts the object to an array but they are different with json_decode in terms with deep I have tried them both, get_object_vars( ) only converts the parent object not the sub object values

 $parameters = (object) array('0' => 
                  (object) array("attribute"=> "name", "value"=>"what-is-bootstrap.png" )
                  );

  print_r($parameters);
  print_r(json_decode(json_encode($parameters), true));
  print_r(get_object_vars($parameters));

and the results are

stdClass Object
(
    [0] => stdClass Object
    (
        [attribute] => name
        [value] => what-is-bootstrap.png
    )
 )

 Array
(
    [0] => Array
    (
        [attribute] => name
        [value] => what-is-bootstrap.png
    )
 )

Array
(
    [0] => stdClass Object
    (
        [attribute] => name
        [value] => what-is-bootstrap.png
    )
)

Barmar · Accepted Answer · 2019-07-05 22:52:10Z

1

The user contributions in the documentation show that the value is INLINE, not inline. It's recommended to perform a case-insensitive comparison.

if ($structure->parts[$i]->ifdisposition && strtolower($structure->parts[$i]->disposition) == 'inline') {

answered Jul 5, 2019 at 22:52

Barmar

789k57 gold badges555 silver badges669 bronze badges

6 Comments

user11616198 Over a year ago

thank you very much for this, but it dont work. I cant get pass on the if statement when I have the inline value. Any idea?

Barmar Over a year ago

Can you edit the question to show the result of var_dump($structure->parts)?

Barmar Over a year ago

Can you fix the indentation so it's easier to see the nesting levels?

Barmar Over a year ago

It looks like you have parts nested inside other parts. You probably need to write a recursive function to find the nested inline attachments.

user11616198 Over a year ago

so how i can fix it?

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