phar file lacks shebang

[glensc]

➔ wget https://github.com/maglnet/ComposerRequireChecker/releases/download/0.1.5/composer-require-checker.phar
➔ chmod a+rx composer-require-checker.phar
➔ ./composer-require-checker.phar
./composer-require-checker.phar: line 1: ?php: No such file or directory
./composer-require-checker.phar: line 3: =: command not found
./composer-require-checker.phar: line 5: syntax error near unexpected token `'phar','
./composer-require-checker.phar: line 5: `if (in_array('phar', stream_get_wrappers()) && class_exists('Phar', 0)) {'
➔ head -n 1 composer-require-checker.phar
<?php

please add:

#!/usr/bin/env php

that should be most portable.