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<?php function modify_in_place($prices) { $prices[0] = 100; } function modify_location($prices) { $prices = [40, 50, 60]; } $prices = [1, 2, 3]; modify_in_place($prices); if ($prices[0] == 100) { echo "Pass-by-reference!"; } else { echo "Pass-by-value!"; } $prices = [1, 2, 3]; modify_location($prices); assert($prices[0] == 40); //failed! pass-by-value
Output for git.master, git.master_jit, rfc.property-hooks
Pass-by-value! Fatal error: Uncaught AssertionError: assert($prices[0] == 40) in /in/fW2T3:23 Stack trace: #0 /in/fW2T3(23): assert(false, 'assert($prices[...') #1 {main} thrown in /in/fW2T3 on line 23
Process exited with code 255.

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