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<?php $account_array["money"] = NULL; $increase = 10; $account_array["money"] = (array_key_exists("money", $account_array)) ? $account_array["money"] + $increase : $increase; echo $account_array["money"];
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
10

preferences:
285.74 ms | 405 KiB | 407 Q