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<?php function foo(...$args) { var_dump($args); } $a = ['foo' => 1, 'bar' => 2]; $b = ['bar' => 3, 'foo' => 4]; foo( ...$a, ...$b );
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Named parameter $bar overwrites previous argument in /in/X3ns5:11 Stack trace: #0 {main} thrown in /in/X3ns5 on line 11
Process exited with code 255.

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