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<?php $arr = array ( 0 => 'nested array', 1 => 'nested array', 2 => 'nested array', 3 => 'nested array', 5 => 'nested array', 7 => 'nested array', ); for ($key = 0; array_key_exists($key, $arr); $key++); var_dump($key);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 3
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 3
Branch analysis from position: 6
Branch analysis from position: 3
filename:       /in/qo3DU
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->4
          3    >   PRE_INC                                                  !1
          4    >   ARRAY_KEY_EXISTS                                         !1, !0
          5      > JMPNZ                                                    ~5, ->3
   13     6    >   INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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