3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myArray = array(1, 2, 3, 4, 5); array_walk($myArray, function(&$value, $index){ if ($value > 0) $value *= 2; });
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/p1uF2
function name:  (null)
number of ops:  7
compiled vars:  !0 = $myArray
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fp1uF2%3A4%240'
    6     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fp1uF2%3A4%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/p1uF2
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $value, !1 = $index
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        IS_SMALLER                                               0, !0
          3      > JMPZ                                                     ~2, ->5
          4    >   ASSIGN_OP                                     3          !0, 2
    6     5    > > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fp1uF2%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.14 ms | 1395 KiB | 15 Q