Online PHP editor | output for PYuX5

@ 2018-02-23T07:53:41Z

<?php
$user = [];
$arr = [[ 'chatduration' => 124.502,'username' => 'bhavin'],[ 'chatduration' => 124.502,'username' => 'bhavin']];

foreach($arr as $record){
    
    if (array_key_exists($record['username'],$record))
  {
        $user[$record['username']] = $user[$record['username']] + $record['chatduration'];
  }
else
  {
      $user[$record['username']]  = $record['chatduration'];
  }
}
          
        
        print_r($user);

Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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: Array ( [bhavin] => 124.502 )
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 Array ( [bhavin] => 124.502 )

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