3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_filter([1,2,3], function(&$v) {$v = 17;return true;}));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/T0fvi
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'array_filter'
          2        SEND_VAL                                                 <array>
          3        DECLARE_LAMBDA_FUNCTION                          ~0      [0]
          4        SEND_VAL                                                 ~0
          5        DO_ICALL                                         $1      
          6        SEND_VAR                                                 $1
          7        DO_ICALL                                                 
          8      > 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/T0fvi
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1        ASSIGN                                                   !0, 17
          2      > RETURN                                                   <true>
          3*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.93 ms | 1445 KiB | 15 Q