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<?php $str = 'prefix.column alias'; $pos = strpos ($str, '.'); $posr = strrpos ($str, ' '); $prefix = substr ($str, 0, $pos); $name = substr($str, $pos + 1); var_dump ($prefix, $name); //echo substr ($str, $pos + 1, $posr - $pos - 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GnNvS
function name:  (null)
number of ops:  28
compiled vars:  !0 = $str, !1 = $pos, !2 = $posr, !3 = $prefix, !4 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'prefix.column+alias'
    5     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '.'
          4        DO_ICALL                                         $6      
          5        ASSIGN                                                   !1, $6
    6     6        INIT_FCALL                                               'strrpos'
          7        SEND_VAR                                                 !0
          8        SEND_VAL                                                 '+'
          9        DO_ICALL                                         $8      
         10        ASSIGN                                                   !2, $8
    8    11        INIT_FCALL                                               'substr'
         12        SEND_VAR                                                 !0
         13        SEND_VAL                                                 0
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                         $10     
         16        ASSIGN                                                   !3, $10
   10    17        INIT_FCALL                                               'substr'
         18        SEND_VAR                                                 !0
         19        ADD                                              ~12     !1, 1
         20        SEND_VAL                                                 ~12
         21        DO_ICALL                                         $13     
         22        ASSIGN                                                   !4, $13
   12    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAR                                                 !3
         25        SEND_VAR                                                 !4
         26        DO_ICALL                                                 
   14    27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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