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<?php declare(strict_types=1); $song_ratings = [ 'Bullet with Butterfly Wings' => 5, '1979' => 4, 'Tonight, Tonight' => 4, ]; function display_rating(int $rating, string $title) { return "$title: $rating"; } foreach ($song_ratings as $title => $rating) { echo display_rating($rating, $title) . PHP_EOL; }
Output for git.master_jit, git.master
Bullet with Butterfly Wings: 5 Fatal error: Uncaught TypeError: display_rating(): Argument #2 ($title) must be of type string, int given, called in /in/R4rnD on line 17 and defined in /in/R4rnD:11 Stack trace: #0 /in/R4rnD(17): display_rating(4, 1979) #1 {main} thrown in /in/R4rnD on line 11
Process exited with code 255.

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