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<?php $stocks = [ "stock0" => 1, "stockdate0" => '', "stock1" => 3, "stockdate1" => 'apple', "stock4DON'TMATCHTHIS!!!" => 4, "stock2" => 2, "stockdate2" => '', "stock33" => 333, "stockdate33" => '' ]; $find = 'stock'; var_export( array_filter($stocks, fn($k) => rtrim($k, '0..9') === $find, ARRAY_FILTER_USE_KEY) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ERs5t
function name:  (null)
number of ops:  13
compiled vars:  !0 = $stocks, !1 = $find
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   15     1        ASSIGN                                                       !1, 'stock'
   16     2        INIT_FCALL                                                   'var_export'
   17     3        INIT_FCALL                                                   'array_filter'
          4        SEND_VAR                                                     !0
          5        DECLARE_LAMBDA_FUNCTION                              ~4      [0]
          6        BIND_LEXICAL                                                 ~4, !1
          7        SEND_VAL                                                     ~4
          8        SEND_VAL                                                     2
          9        DO_ICALL                                             $5      
         10        SEND_VAR                                                     $5
   16    11        DO_ICALL                                                     
   18    12      > 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/ERs5t
function name:  {closure:/in/ERs5t:17}
number of ops:  9
compiled vars:  !0 = $k, !1 = $find
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
          2        INIT_FCALL                                                   'rtrim'
          3        SEND_VAR                                                     !0
          4        SEND_VAL                                                     '0..9'
          5        DO_ICALL                                             $2      
          6        IS_IDENTICAL                                         ~3      !1, $2
          7      > RETURN                                                       ~3
          8*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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