3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = 'getArrayLog'; echo strtolower( preg_replace( '#([a-zA-Z])(?=[A-Z])#', '$1_', $result ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PQtuo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'getArrayLog'
    4     1        INIT_FCALL                                               'strtolower'
          2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAL                                                 '%23%28%5Ba-zA-Z%5D%29%28%3F%3D%5BA-Z%5D%29%23'
          4        SEND_VAL                                                 '%241_'
          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


preferences:
161.02 ms | 1394 KiB | 17 Q