3v4l.org

run code in 300+ 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 8.0.0


preferences:
189.63 ms | 1395 KiB | 15 Q