3v4l.org

run code in 500+ PHP versions simultaneously
<?php $txt = "Text including variables to be replaced, such as {name}, {id}, {something} and {other}"; $vars = array( 'name' => 'name', 'id' => 'userid', 'something' => 'undefinedItem', ); $user = new stdClass(); $user->name = 'James Bond'; $user->userid = '007'; echo str_replace( array_map( function($item) { return '{'. $item .'}'; }, array_keys($vars) ), array_map( function($item) use ($user) { return isset($user->$item) ? $user->$item : 'undefined'; }, $vars ), $txt );
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
Text including variables to be replaced, such as James Bond, 007, undefined and {other}

preferences:
246.66 ms | 1540 KiB | 4 Q