how to sort the multiple array having condition

Question

I want to sort array in php based on some conditions here is the array

 $array = [
    [ "a"  => 4, "b" => 8, "c" => 1 ],
    [ "a"  => 9, "b" => 4, "c" => 0 ],
    [ "a"  => -9, "b" => -4, "c" => 1 ],

];

if c=1,it should come first,how can i sort the array like this? I need to add some additional conditions too..i think the same logic will helps me to add multiple conditions

Your example array has no valid syntax,plz show real given and real expected data here. — JustOnUnderMillions
– JustOnUnderMillions, Commented Mar 13, 2017 at 14:54

apokryfos · Accepted Answer · 2017-03-13 14:55:00Z

2

You can sort by a column of the array by doing something like:

<?php
$array = [
    [ "a"  => 4, "b" => 8, "c" => 1 ],
    [ "a"  => 9, "b" => 4, "c" => 0 ],
    [ "a"  => -9, "b" => -4, "c" => 1 ],

];

array_multisort($array, array_column($array,"c"));
print_r($array);

This will sort by the column "c".

answered Mar 13, 2017 at 14:55

apokryfos

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2 Comments

ubm Over a year ago

Can you please consider my additional question-@apokryfos

apokryfos Over a year ago

@ubm that's a completely different question to the original one so you should ask a separate question with all necessary details.

Oliver · Accepted Answer · 2017-03-13 14:48:31Z

0

You can use http://php.net/manual/en/function.usort.php, to create your own sorting-logic or you can use http://php.net/manual/en/function.asort.php, which sorts your array by values.

To get an overview of php sorting functions use this page: http://php.net/manual/en/array.sorting.php

answered Mar 13, 2017 at 14:48

Oliver

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