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<?php $data = array(array("Price" => 66), array("Price" => 99)); function extractPrice($priceType) { $modifier = 10; return function($guestPrice) use($priceType, $modifier) { return $guestPrice[$priceType]*$modifier; }; } var_dump(array_map($extractPrice('Price'), $data));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $extractPrice in /in/T5O8a on line 11 Fatal error: Uncaught Error: Value of type null is not callable in /in/T5O8a:11 Stack trace: #0 {main} thrown in /in/T5O8a on line 11
Process exited with code 255.

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