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<?php $name = "hasan,"; $test = substr($name, 0, -1); var_dump($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7X0rT
function name:  (null)
number of ops:  11
compiled vars:  !0 = $name, !1 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'hasan%2C'
    3     1        INIT_FCALL                                               'substr'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 0
          4        SEND_VAL                                                 -1
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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