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<?php $a='a'; $b='b'; var_dump('$a und $b'); var_dump("$a und $b");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uvXP6
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'a'
    3     1        ASSIGN                                                   !1, 'b'
    4     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAL                                                 '%24a+und+%24b'
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        ROPE_INIT                                     3  ~6      !0
          7        ROPE_ADD                                      1  ~6      ~6, '+und+'
          8        ROPE_END                                      2  ~5      ~6, !1
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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157.97 ms | 1385 KiB | 15 Q