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<?php $condition = ['one', 'two']; $key = key($condition); echo "The key is: " . $key . PHP_EOL; echo 'Without strict comparison:' . PHP_EOL; var_dump(in_array($key, ['a', 'b'])); echo 'With strict comparison:' . PHP_EOL; var_dump(in_array($key, ['a', 'b'], true)); var_dump(0 == 'a');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vB9e9
function name:  (null)
number of ops:  22
compiled vars:  !0 = $condition, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'key'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    5     5        CONCAT                                           ~5      'The+key+is%3A+', !1
          6        CONCAT                                           ~6      ~5, '%0A'
          7        ECHO                                                     ~6
    7     8        ECHO                                                     'Without+strict+comparison%3A%0A'
    8     9        INIT_FCALL                                               'var_dump'
         10        IN_ARRAY                                         ~7      !1, <array>
         11        SEND_VAL                                                 ~7
         12        DO_ICALL                                                 
   10    13        ECHO                                                     'With+strict+comparison%3A%0A'
   11    14        INIT_FCALL                                               'var_dump'
         15        IN_ARRAY                                         ~9      !1, <array>
         16        SEND_VAL                                                 ~9
         17        DO_ICALL                                                 
   13    18        INIT_FCALL                                               'var_dump'
         19        SEND_VAL                                                 <false>
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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