how do i sort the following array/stdclass object in php? [duplicate]

Question

How do is sort this object by 'pos' in php?

Array ( 
[0] => stdClass Object ( [str] => Mondays [pos] => 170 ) 
[1] => stdClass Object ( [str] => Tuesdays [pos] => 299 )
[2] => stdClass Object ( [str] => Wednesdays [pos] => 355 )
[3] => stdClass Object ( [str] => Thursdays [pos] => 469 )
[4] => stdClass Object ( [str] => Fridays [pos] => 645 )
[5] => stdClass Object ( [str] => Mondays [pos] => 972 )
[6] => stdClass Object ( [str] => Tuesdays [pos] => 1033 ) 
[7] => stdClass Object ( [str] => Thursdays [pos] => 1080 )
[8] => stdClass Object ( [str] => Fridays [pos] => 1180 )

)

What do you want to sort the array by? str? pos?

Pekka
– Pekka

2010-01-27 12:23:54 +00:00
Commented Jan 27, 2010 at 12:23 — Pekka
– Pekka, Commented Jan 27, 2010 at 12:23

csl · Accepted Answer · 2010-01-27 17:57:57Z

9

You could probably use the usort() family of functions to sort it either on str or pos. You have to define your own comparison function for that.

Pseudo-PHP example:

function compareItems($a, $b)
{
    if ( $a->pos < $b->pos ) return -1;
    if ( $a->pos > $b->pos ) return 1;
    return 0; // equality
}

uasort($yourArray, "compareItems");

Depending on your needs, other comparison functions might be more appropriate.

edited Jan 27, 2010 at 17:57

answered Jan 27, 2010 at 12:27

csl

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Comments

streetparade · Accepted Answer · 2010-01-27 12:25:51Z

-1

Try this function

function objSort(&$objArray,$indexFunction,$sort_flags=0) {
    $indices = array();
    foreach($objArray as $obj) {
        $indeces[] = $indexFunction($obj);
    }
    return array_multisort($indeces,$objArray,$sort_flags);
}

answered Jan 27, 2010 at 12:25

streetparade

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1 Comment

csl Over a year ago

Perhaps a little bit of explanation would be helpful?

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