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@ 2014-05-28T16:14:10Z

<?php
$original_values = array( 'Bridge Work' => array( array('Name' => 'NJ Trunpike_Bridge Repair Work', 'Location' => 'New Jersey', 'State' => 'New Jersey'), array('Name' => 'Honoapiilani Highway Bridge Truss', 'Location' => 'Maui', 'State' => 'Hawaii'), array('Name' => 'BlueCross Blueshield of Tennessee (Bridge)', 'Location' => 'Memphis', 'State' => 'Tennessee'), array('Name' => 'Henderson Center Connector Bridge', 'Location' => 'Coquitlam', 'State' => 'British Columbia'), ), 'Educational' => array( array('Name' => 'RTI TASS Complex Admin Bldg', 'Location' => 'Bluffdale', 'State' => 'Utah'), array('Name' => 'Auburn High School', 'Location' => 'Auburn', 'State' => 'Washington'), array('Name' => 'Reed College', 'Location' => 'Portland', 'State' => 'Oregon'), array('Name' => 'Shorewood High School', 'Location' => 'Shoreline', 'State' => 'Washington'), ),);

function my_sort($my_array, $my_key)
{   
    $sorted_values = array();
    foreach($my_array as $key => $value) 
    {
        $columns = null;
        foreach ($value as $index => $element) 
        {
           $columns[] = $element[$my_key];
        }
        $temp = $value;
        array_multisort($columns, SORT_ASC, $temp);
        $sorted_values[$key] = $temp;
    }
    return $sorted_values;
}

$result = my_sort($original_values, 'State');

echo '<pre>'; print_r($result); echo '</pre>';

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [Bridge Work] => Array ( [0] => Array ( [Name] => Henderson Center Connector Bridge [Location] => Coquitlam [State] => British Columbia ) [1] => Array ( [Name] => Honoapiilani Highway Bridge Truss [Location] => Maui [State] => Hawaii ) [2] => Array ( [Name] => NJ Trunpike_Bridge Repair Work [Location] => New Jersey [State] => New Jersey ) [3] => Array ( [Name] => BlueCross Blueshield of Tennessee (Bridge) [Location] => Memphis [State] => Tennessee ) ) [Educational] => Array ( [0] => Array ( [Name] => Reed College [Location] => Portland [State] => Oregon ) [1] => Array ( [Name] => RTI TASS Complex Admin Bldg [Location] => Bluffdale [State] => Utah ) [2] => Array ( [Name] => Auburn High School [Location] => Auburn [State] => Washington ) [3] => Array ( [Name] => Shorewood High School [Location] => Shoreline [State] => Washington ) ) ) </pre>

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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