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<?php $className = 'Exception'; $result = substr($className, 0, -strlen($className) - 1); var_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OWiEF
function name:  (null)
number of ops:  14
compiled vars:  !0 = $className, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Exception'
    5     1        INIT_FCALL                                               'substr'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 0
          4        STRLEN                                           ~3      !0
          5        MUL                                              ~4      ~3, -1
          6        SUB                                              ~5      ~4, 1
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                         $6      
          9        ASSIGN                                                   !1, $6
    7    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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