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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.', range('A', 'Z'), range('a', 'z'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aCEfK
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'strtr'
          1        SEND_VAL                                                 'Important%3A+you+are+NOT+allowed+to+use+a+built-in+function+that+converts+the+string+%28or+just+one+character%29+to+lowercase+%28such+as+ToLower%28%29+in+.NET%2C+strtolower%28%29+in+PHP+%2C+...%29%21+You%27re+allowed+to+use+all+other+built-in+functions%2C+however.'
          2        INIT_FCALL                                               'range'
          3        SEND_VAL                                                 'A'
          4        SEND_VAL                                                 'Z'
          5        DO_ICALL                                         $0      
          6        SEND_VAR                                                 $0
          7        INIT_FCALL                                               'range'
          8        SEND_VAL                                                 'a'
          9        SEND_VAL                                                 'z'
         10        DO_ICALL                                         $1      
         11        SEND_VAR                                                 $1
         12        DO_ICALL                                         $2      
         13        ECHO                                                     $2
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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