3v4l.org

run code in 500+ PHP versions simultaneously
<?php $thearray = [ 123456 => 'John Doe', 654321 => 'Doe John' ]; var_export( array_map( fn($name, $code) => compact(['name', 'code']), $thearray, array_keys($thearray) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bGbBO
function name:  (null)
number of ops:  14
compiled vars:  !0 = $thearray
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    8     1        INIT_FCALL                                                   'var_export'
    9     2        INIT_FCALL                                                   'array_map'
   10     3        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          4        SEND_VAL                                                     ~2
   11     5        SEND_VAR                                                     !0
   12     6        INIT_FCALL                                                   'array_keys'
          7        SEND_VAR                                                     !0
          8        DO_ICALL                                             $3      
          9        SEND_VAR                                                     $3
    9    10        DO_ICALL                                             $4      
   12    11        SEND_VAR                                                     $4
    8    12        DO_ICALL                                                     
   14    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/bGbBO
function name:  {closure:/in/bGbBO:10}
number of ops:  7
compiled vars:  !0 = $name, !1 = $code
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   10     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        INIT_FCALL                                                   'compact'
          3        SEND_VAL                                                     <array>
          4        DO_ICALL                                             $2      
          5      > RETURN                                                       $2
          6*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
155.16 ms | 1782 KiB | 17 Q