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<?php $var1 = 'ccc'; $var2 = $var1; debug_zval_dump($var1, $var2); echo "===========\n"; $var2 .= 'xxx'; debug_zval_dump($var1, $var2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kGRjY
function name:  (null)
number of ops:  13
compiled vars:  !0 = $var1, !1 = $var2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'ccc'
    3     1        ASSIGN                                                   !1, !0
    5     2        INIT_FCALL                                               'debug_zval_dump'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                                 
    6     6        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
    7     7        ASSIGN_OP                                     8          !1, 'xxx'
    8     8        INIT_FCALL                                               'debug_zval_dump'
          9        SEND_VAR                                                 !0
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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