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<?php function foo( callable $cb = null ){ echo 'hi!'; } function bar(){} foo( 42 );
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: foo(): Argument #1 ($cb) must be of type ?callable, int given, called in /in/RhqjS on line 9 and defined in /in/RhqjS:3 Stack trace: #0 /in/RhqjS(9): foo(42) #1 {main} thrown in /in/RhqjS on line 3
Process exited with code 255.

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