3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array('foo', '', 'bar'); array_walk_recursive($data, function (&$value, $key) { if ($value === '') { $value = null; } }); var_dump ($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YGfbf
function name:  (null)
number of ops:  10
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_walk_recursive'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FYGfbf%3A4%240'
    8     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   10     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FYGfbf%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/YGfbf
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $value, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        IS_IDENTICAL                                             !0, ''
          3      > JMPZ                                                     ~2, ->5
    6     4    >   ASSIGN                                                   !0, null
    8     5    > > RETURN                                                   null

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.19 ms | 1395 KiB | 17 Q