3v4l.org

run code in 300+ PHP versions simultaneously
<?php $file_name = '\\foo\\bar\\baz'; $ext = substr( strrchr($file_name, '\\'), 1); echo $ext;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ovd9a
function name:  (null)
number of ops:  12
compiled vars:  !0 = $file_name, !1 = $ext
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%5Cfoo%5Cbar%5Cbaz'
    4     1        INIT_FCALL                                               'substr'
          2        INIT_FCALL                                               'strrchr'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 '%5C'
          5        DO_ICALL                                         $3      
          6        SEND_VAR                                                 $3
          7        SEND_VAL                                                 1
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
    5    10        ECHO                                                     !1
    6    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.78 ms | 1394 KiB | 17 Q