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<?php $a = [1,2,3,4]; $m = []; $b = array_walk($a,function($c){ static $m; global $m; array_push($m,$c); }); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aaUaA
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $m, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    4     2        INIT_FCALL                                               'array_walk'
          3        SEND_REF                                                 !0
          4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FaaUaA%3A4%240'
    8     5        SEND_VAL                                                 ~5
          6        DO_ICALL                                         $6      
    4     7        ASSIGN                                                   !2, $6
    9     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FaaUaA%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aaUaA
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $c, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    5     1        BIND_STATIC                                              !1
    6     2        BIND_GLOBAL                                              !1, 'm'
    7     3        INIT_FCALL                                               'array_push'
          4        SEND_REF                                                 !1
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    8     7      > RETURN                                                   null

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

Generated using Vulcan Logic Dumper, using php 8.0.0


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