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<?php $f = [ 'foo' => NULL, ]; print_r(count($f['foo'])); print_r(count($f['bar']));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/lt6dR:7 Stack trace: #0 {main} thrown in /in/lt6dR on line 7
Process exited with code 255.

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