Online PHP editor | output for ajAa0

@ 2017-04-10T12:00:30Z

<?php

$arr = 
   array ('Q1 2017'=>'some value', 'Q3 2017'=>'some value', 'Q3 2012'=>'some value', 'Q4 2015'=>'some value', 'Q4 2017'=>'some value', 'Q2 2017'=>'some value');

$new = array();
foreach($arr as $key=>$subarr){
   $tempArr =  explode(' ', $key);   
   $new[$tempArr[1]][$tempArr[0]] = $subarr;
   asort($new[$tempArr[1]]);
}
 
ksort($new);
$secondarr = array();
foreach($new as $k=>$v){
    ksort($v);
    $secondarr[$k] = $v;
}

foreach($secondarr as $key => $val){
    foreach($val as $k=>$v){
        $newkey = $k.' '.$key;
        $finalarr[$newkey] = $v;
    }
}

 echo "<pre>"; print_r($finalarr);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: <pre>Array ( [Q3 2012] => some value [Q4 2015] => some value [Q1 2017] => some value [Q2 2017] => some value [Q3 2017] => some value [Q4 2017] => some value )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <pre>Array ( [Q3 2012] => some value [Q4 2015] => some value [Q1 2017] => some value [Q2 2017] => some value [Q3 2017] => some value [Q4 2017] => some value )

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