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<?php $str = 'second third first'; echo substr($str, strrpos($str, " ")+1) . " " . substr($str, 0, strrpos($str, " "));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2BUTc
function name:  (null)
number of ops:  23
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'second+third+first'
    5     1        INIT_FCALL                                               'substr'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'strrpos'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 '+'
          6        DO_ICALL                                         $2      
          7        ADD                                              ~3      $2, 1
          8        SEND_VAL                                                 ~3
          9        DO_ICALL                                         $4      
         10        CONCAT                                           ~5      $4, '+'
         11        INIT_FCALL                                               'substr'
         12        SEND_VAR                                                 !0
         13        SEND_VAL                                                 0
         14        INIT_FCALL                                               'strrpos'
         15        SEND_VAR                                                 !0
         16        SEND_VAL                                                 '+'
         17        DO_ICALL                                         $6      
         18        SEND_VAR                                                 $6
         19        DO_ICALL                                         $7      
         20        CONCAT                                           ~8      ~5, $7
         21        ECHO                                                     ~8
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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