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<html><body>declare(strict_types=1);function sum(int $a, int $b) { return $a + $b;}// Throws a fatal error because '5' is a string instead of a numbersum("5", 1);</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_keyword_declare2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:22:56 GMT --></html>
PHP Fatal error: strict_types declaration must be the very first statement in the script in /home/h0iQ5o/prog.php on line 6