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<?php $list = [ 'foo' => 'bar', 'foobar' => 'bar', 'bar' => 'foo', ]; var_dump(array_filter($list, function ($value) { return $value === 'bar'; })); var_dump(array_filter($list, function ($key, $value) { return $value === 'bar'; }));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oPX72
function name:  (null)
number of ops:  18
compiled vars:  !0 = $list
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_filter'
          3        SEND_VAR                                                 !0
          4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FoPX72%3A9%240'
   11     5        SEND_VAL                                                 ~2
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
   13     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'array_filter'
         11        SEND_VAR                                                 !0
         12        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FoPX72%3A13%241'
   15    13        SEND_VAL                                                 ~5
         14        DO_ICALL                                         $6      
         15        SEND_VAR                                                 $6
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FoPX72%3A9%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oPX72
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
   10     1        IS_IDENTICAL                                     ~1      !0, 'bar'
          2      > RETURN                                                   ~1
   11     3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FoPX72%3A9%240

Function %00%7Bclosure%7D%2Fin%2FoPX72%3A13%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oPX72
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $key, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   14     2        IS_IDENTICAL                                     ~2      !1, 'bar'
          3      > RETURN                                                   ~2
   15     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FoPX72%3A13%241

Generated using Vulcan Logic Dumper, using php 8.0.0


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