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<?php $x = substr('abcdef', 0, -2);echo $x; $y = substr($x, 0, -2);echo $y;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nCGji
function name:  (null)
number of ops:  15
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'substr'
          1        SEND_VAL                                                 'abcdef'
          2        SEND_VAL                                                 0
          3        SEND_VAL                                                 -2
          4        DO_ICALL                                         $2      
          5        ASSIGN                                                   !0, $2
          6        ECHO                                                     !0
    4     7        INIT_FCALL                                               'substr'
          8        SEND_VAR                                                 !0
          9        SEND_VAL                                                 0
         10        SEND_VAL                                                 -2
         11        DO_ICALL                                         $4      
         12        ASSIGN                                                   !1, $4
         13        ECHO                                                     !1
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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