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<?php class Foo implements ArrayAccess { public function offsetGet($x) { var_dump($x); } public function offsetExists($x) {} public function offsetSet($x, $y) {} public function offsetUnset($x) {} } $foo = new Foo(); echo $foo['0']; $a = '0'; echo $foo[$a];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/id5OA
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo, !1 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                                'foo'
   12     1        NEW                                                  $2      'Foo'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $2
   14     4        FETCH_DIM_R                                          ~5      !0, 0
          5        ECHO                                                         ~5
   15     6        ASSIGN                                                       !1, '0'
   16     7        FETCH_DIM_R                                          ~7      !0, !1
          8        ECHO                                                         ~7
          9      > RETURN                                                       1

Class Foo:
Function offsetget:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/id5OA
function name:  offsetGet
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   RECV                                                 !0      
    5     1        INIT_FCALL                                                   'var_dump'
          2        SEND_VAR                                                     !0
          3        DO_ICALL                                                     
    6     4      > RETURN                                                       null

End of function offsetget

Function offsetexists:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/id5OA
function name:  offsetExists
number of ops:  2
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   RECV                                                 !0      
          1      > RETURN                                                       null

End of function offsetexists

Function offsetset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/id5OA
function name:  offsetSet
number of ops:  3
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2      > RETURN                                                       null

End of function offsetset

Function offsetunset:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/id5OA
function name:  offsetUnset
number of ops:  2
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   RECV                                                 !0      
          1      > RETURN                                                       null

End of function offsetunset

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.5.0


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