3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = 10; $b = 'String'; echo '$a is '.$a; echo '....'; echo '$b is '.$b; parse_str("a=$b&b=$a"); echo '....After Using Parse Str....'; echo '$a is '.$a; echo '....'; echo '$b is '.$b; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LdhIV
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, 10
    3     1        ASSIGN                                                       !1, 'String'
    5     2        CONCAT                                               ~4      '%24a+is+', !0
          3        ECHO                                                         ~4
    6     4        ECHO                                                         '....'
    7     5        CONCAT                                               ~5      '%24b+is+', !1
          6        ECHO                                                         ~5
    9     7        INIT_FCALL                                                   'parse_str'
          8        ROPE_INIT                                         4  ~7      'a%3D'
          9        ROPE_ADD                                          1  ~7      ~7, !1
         10        ROPE_ADD                                          2  ~7      ~7, '%26b%3D'
         11        ROPE_END                                          3  ~6      ~7, !0
         12        SEND_VAL                                                     ~6
         13        DO_ICALL                                                     
   11    14        ECHO                                                         '....After+Using+Parse+Str....'
   13    15        CONCAT                                               ~10     '%24a+is+', !0
         16        ECHO                                                         ~10
   14    17        ECHO                                                         '....'
   15    18        CONCAT                                               ~11     '%24b+is+', !1
         19        ECHO                                                         ~11
   17    20      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
160.45 ms | 2792 KiB | 14 Q