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<?php echo strtr('Important: you are NOT allowed to use a built-in function that converts the string (or just one character) to lowercase (such as ToLower() in .NET, strtolower() in PHP , ...)! You\'re allowed to use all other built-in functions, however.', array_combine(range('A', 'Z'), range('a', 'z'))); echo 'a' + 2;
Output for git.master_jit, git.master, rfc.property-hooks
important: you are not allowed to use a built-in function that converts the string (or just one character) to lowercase (such as tolower() in .net, strtolower() in php , ...)! you're allowed to use all other built-in functions, however. Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/iYRWR:4 Stack trace: #0 {main} thrown in /in/iYRWR on line 4
Process exited with code 255.

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