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<?php $tax = 0.2; $total = 0; $callback = function ($pricePerItem) use ($tax, &$total) { $total += $pricePerItem * ($tax + 1.0); echo "In function: $total\n"; }; $callback(10); echo "After function: $total\n";
Output for git.master, git.master_jit, rfc.property-hooks
In function: 12 After function: 12

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