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<?php $db_name = "users"; // this will act as an index $db[$db_name] = "some value"; // the index "user" which is the value of the variable "$db_name" holds the value "some value" in the "$db" variable echo $db_name . ' | ' . $db[$db_name]; // prints: users | some value
Output for 7.4.30, 8.1.23 - 8.1.34, 8.2.10 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
users | some value

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78.23 ms | 891 KiB | 4 Q