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<?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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Unsupported operand types: DateTime - DateTime in /in/iTfGp:30 Stack trace: #0 [internal function]: date_compare(Array, Array) #1 /in/iTfGp(24): usort(Array, 'date_compare') #2 {main} thrown in /in/iTfGp on line 30
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Object of class DateTime could not be converted to number in /in/iTfGp on line 30 Notice: Object of class DateTime could not be converted to number in /in/iTfGp on line 30
Output for 7.3.32 - 7.3.33
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
Notice: Object of class DateTime could not be converted to int in /in/iTfGp on line 30 Notice: Object of class DateTime could not be converted to int in /in/iTfGp on line 30

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153.16 ms | 402 KiB | 280 Q