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<?php echo substr('abcdef', -0); // bcdef //echo substr('abcdef', 1, 3); // bcd //echo substr('abcdef', 0, 4); // abcd //echo substr('abcdef', 0, 8); // abcdef //echo substr('abcdef', -1, 1); // f
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cF4ai
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'substr'
          1        SEND_VAL                                                 'abcdef'
          2        SEND_VAL                                                 0
          3        DO_ICALL                                         $0      
          4        ECHO                                                     $0
    7     5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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