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<?php $string = "SomeClassString"; $d = preg_replace('~([A-Z])~', '_$1', lcfirst($string)); echo strtolower($d);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IdfcC
function name:  (null)
number of ops:  15
compiled vars:  !0 = $string, !1 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'SomeClassString'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%7E%28%5BA-Z%5D%29%7E'
          3        SEND_VAL                                                 '_%241'
          4        INIT_FCALL                                               'lcfirst'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
    6    10        INIT_FCALL                                               'strtolower'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                         $6      
         13        ECHO                                                     $6
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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