PHp

[braden]

How can i Sort Multidimensional array using PHP??

[sivakarthik]

hi,

An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an implementation of a map), dictionary, collection, stack, queue, and probably more. As array values can be other arrays, trees and multidimensional arrays are also possible.
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[rabble]

Sorting Multidimensional Arrays

[braden]

Thank u so much for your sharing i got it

[mikeycane]

Using the following code we can sort multidimentinal array in php

<?php

// demo array to sort
$latest_array = array(
array('news','1234567890','sdf','asdpojq'),
array('news','1234567892','uruy','xbuqiwpo'),
array('comment','1234567893','fghj','mjktyu'),
array('article','1234567891','cvmo','pjklgg'),
array('news','1234567894','qwenb','asbhtyhj'),
);

$sort_field = 3; // enter the number of field to sort

// compare function
function cmpi($a, $b)
{
global $sort_field;
return strcmp($a[$sort_field], $b[$sort_field]);
}

// do the array sorting
usort($latest_array, 'cmpi');

// demo output
echo '<pre>';
print_r($latest_array);
echo '</pre>';

?>

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[josaphlewis]

PHP identify how to evaluate two numbers or two text strings, but in a multidimensional array, each element is an array. PHP provides many utility to sort an array.

[demlin]

Hi,
Once the PHP array can store all information (strings, numbers, objects, arrays, boolean). We use an array to save the text (string). Tables store data using a key - on a subscription basis. Key is the place we saved the text string. The value is the actual text that we want to keep.
Thanks.