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<?php $str = 'testString'; echo implode(' ', preg_split('/(?=[A-Z])/',$str));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TvhKZ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'testString'
    4     1        INIT_FCALL                                               'implode'
          2        SEND_VAL                                                 '+'
          3        INIT_FCALL                                               'preg_split'
          4        SEND_VAL                                                 '%2F%28%3F%3D%5BA-Z%5D%29%2F'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                         $3      
          9        ECHO                                                     $3
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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