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<?php echo ucfirst('#test') . "\n"; echo ucfirst('123 test') . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IesmU
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'ucfirst'
          1        SEND_VAL                                                 '%23test'
          2        DO_ICALL                                         $0      
          3        CONCAT                                           ~1      $0, '%0A'
          4        ECHO                                                     ~1
    4     5        INIT_FCALL                                               'ucfirst'
          6        SEND_VAL                                                 '123+test'
          7        DO_ICALL                                         $2      
          8        CONCAT                                           ~3      $2, '%0A'
          9        ECHO                                                     ~3
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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