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<?php $url = 'http://test.com'; var_dump(current($url)); $url = ['http://test.com']; var_dump(current($url));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/51kpB
function name:  (null)
number of ops:  15
compiled vars:  !0 = $url
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Ftest.com'
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'current'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
    6     7        ASSIGN                                                   !0, <array>
    7     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'current'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $5      
         12        SEND_VAR                                                 $5
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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