3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mytablescolumns = ['first_name', 'last_name', 'position', 'office']; var_export( array_map( fn($db, $dt) => get_defined_vars(), $mytablescolumns, array_keys($mytablescolumns) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b5JRP
function name:  (null)
number of ops:  14
compiled vars:  !0 = $mytablescolumns
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'var_export'
    6     2        INIT_FCALL                                               'array_map'
    7     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
    8     5        SEND_VAR                                                 !0
    9     6        INIT_FCALL                                               'array_keys'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
    6    10        DO_ICALL                                         $4      
    9    11        SEND_VAR                                                 $4
    5    12        DO_ICALL                                                 
   11    13      > 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/b5JRP
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $db, !1 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_FCALL                                               'get_defined_vars'
          3        DO_ICALL                                         $2      
          4      > RETURN                                                   $2
          5*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.72 ms | 1013 KiB | 17 Q