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<?php namespace test { function check($value) { echo is_null($value); } check(null); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/asV6T
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_NS_FCALL_BY_NAME                                    'test%5Ccheck'
          1        SEND_VAL_EX                                              null
          2        DO_FCALL                                      0          
    9     3      > RETURN                                                   1

Function test%5Ccheck:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/asV6T
function name:  test\check
number of ops:  6
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    5     1        INIT_NS_FCALL_BY_NAME                                    'test%5Cis_null'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0  $1      
          4        ECHO                                                     $1
    6     5      > RETURN                                                   null

End of function test%5Ccheck

Generated using Vulcan Logic Dumper, using php 8.0.0


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