note 127469 added to function.print

<?php $heroes = ['Superman', 'Batman', 'Flash'];?> Does not work work, because echo is no function <?php array_walk($heroes, 'echo');?> Does not work, because unexpected token "echo" <?php array_walk($heroes, fn($hero) => echo $hero);?> Does not work work, because print is no function <?php array_walk($heroes, 'print');?> DOES WORK, but why? <?php array_walk($heroes, fn($hero) => print $hero);?> ---- Server IP: 45.112.84.4 Probable Submitter: 45.91.157.133 (proxied: 2003:ed:8f3c:2c91:390a:ca35:b255:1446) ---- Manual Page -- https://php.net/manual/en/function.print.php Edit -- https://main.php.net/note/edit/127469 Del: integrated -- https://main.php.net/note/delete/127469/integrated Del: useless -- https://main.php.net/note/delete/127469/useless Del: bad code -- https://main.php.net/note/delete/127469/bad+code Del: spam -- https://main.php.net/note/delete/127469/spam Del: non-english -- https://main.php.net/note/delete/127469/non-english Del: in docs -- https://main.php.net/note/delete/127469/in+docs Del: other reasons-- https://main.php.net/note/delete/127469 Reject -- https://main.php.net/note/reject/127469 Search -- https://main.php.net/manage/user-notes.php