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<?php $array = [ ['name' => 'foo'], ]; usort($array, function ($a, $b) { return this_method_does_not_exist(); }); echo 'after calling usort:'.PHP_EOL.PHP_EOL; var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sZVp9
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    7     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
    9     4        SEND_VAL                                                 ~2
    7     5        DO_ICALL                                                 
   11     6        ECHO                                                     'after+calling+usort%3A%0A%0A'
   13     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sZVp9
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    8     2        INIT_FCALL_BY_NAME                                       'this_method_does_not_exist'
          3        DO_FCALL                                      0  $2      
          4      > RETURN                                                   $2
    9     5*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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