3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hot = array( 'hotObj 1', 'hotObj 2', 'hotObj 3', 'hotObj 4', ); $new = array( 'newObj 1', 'newObj 2', ); $result = []; foreach ($hot as $key => &$value) { $value[] = $value; if(isset($new[$key])){ $value[] = $new[$key]; } } print_r($hot);
based on WTX7o
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/D37gR:16 Stack trace: #0 {main} thrown in /in/D37gR on line 16
Process exited with code 255.
Output for 5.4.2 - 5.6.28
Fatal error: [] operator not supported for strings in /in/D37gR on line 16
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/D37gR on line 14
Process exited with code 255.