Online PHP editor | output for RJTKJ

@ 2018-03-20T07:21:16Z

<?php

  $newsArray = array();
  $item_title = 'Hello World';
  $media = 'Prothom Alo';
  $pubDate = 'Sun, 18 Mar 2018 05:51:28 GMT';
  //echo (new DateTime('Sun, 18 Mar 2018 05:51:28 GMT'))->format('l, d F Y');

  $newsArray[0] = array(
                                'title' => (string)$item_title,
                                'media' => (string)$media,
                                'pubdate' => new DateTime($pubDate)
             );
    
  $item_title = 'Hello World 2';
  $media = 'Prothom Alo 2';
  $pubDate = 'Sun, 19 Mar 2018 05:51:28 GMT';         
  $newsArray[1] = array(
                                'title' => (string)$item_title,
                                'media' => (string)$media,
                                'pubdate' => new DateTime($pubDate)
             );
             
  usort($newsArray,'date_compare');
  
  function date_compare($a, $b)
  {
      $t1 = $a['pubDate'];
      $t2 = $b['pubDate'];
      return $t1 - $t2;
  }

?>

Output for 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: Warning: Undefined array key "pubDate" in /in/RJTKJ on line 28 Warning: Undefined array key "pubDate" in /in/RJTKJ on line 29
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 Warning: Undefined array key "pubDate" in /in/RJTKJ on line 28 Warning: Undefined array key "pubDate" in /in/RJTKJ on line 29
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined index: pubDate in /in/RJTKJ on line 28 Notice: Undefined index: pubDate in /in/RJTKJ on line 29
Output for 7.3.32 - 7.3.33

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