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@ 2015-07-28T13:42:19Z

<?php

function sortByDate($a, $b) {
   return strtotime($a) > strtotime($b);
}

$cont_history = Array ( 
    '20-02-2015' => Array ( 'activity' => 'GATE IN',  'by' => '',  'location' => 'COLOMBO', 'depot' => 'CNLS' ), 
    '15-03-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '',  'location' => 'COLOMBO', 'depot' => 'CNLS' ), 
    '18-03-2015' => Array ( 'activity' => 'GATE IN',  'by' => '',  'location' => 'CHENNAI', 'depot' => 'GOBAL'), 
    '05-04-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '',  'location' => 'CHENNAI', 'depot' => 'GOBAL'), 
    '10-04-2015' => Array ( 'activity' => 'GATE IN',  'by' => '',  'location' => 'MUMBAI',  'depot' => 'CONS' ), 
    '13-05-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '',  'location' => 'MUMBAI',  'depot' => 'CONS' ), 
    '10-02-2015' => Array ( 'activity' => 'Container Bought', 'by' => 'CARU', 'location' => 'COLOMBO', 'depot' => 'CNLS' ),
    '07-05-2015' => Array ( 'activity' => 'Container Sold',   'by' => 'TCPL', 'location' => 'MUMBAI',  'depot' => 'CONS' ) 
);

uksort($cont_history, 'sortByDate');

print_r($cont_history);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/33RZg on line 18 Array ( [10-02-2015] => Array ( [activity] => Container Bought [by] => CARU [location] => COLOMBO [depot] => CNLS ) [20-02-2015] => Array ( [activity] => GATE IN [by] => [location] => COLOMBO [depot] => CNLS ) [15-03-2015] => Array ( [activity] => GATE OUT [by] => [location] => COLOMBO [depot] => CNLS ) [18-03-2015] => Array ( [activity] => GATE IN [by] => [location] => CHENNAI [depot] => GOBAL ) [05-04-2015] => Array ( [activity] => GATE OUT [by] => [location] => CHENNAI [depot] => GOBAL ) [10-04-2015] => Array ( [activity] => GATE IN [by] => [location] => MUMBAI [depot] => CONS ) [07-05-2015] => Array ( [activity] => Container Sold [by] => TCPL [location] => MUMBAI [depot] => CONS ) [13-05-2015] => Array ( [activity] => GATE OUT [by] => [location] => MUMBAI [depot] => CONS ) )

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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2016-08-14 Arrow functions - withdrawn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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