3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_arr = array('test1', 'test2', 'test3'); $_string = 'TestWalk'; print "<pre>"; print_r(array_map(function($_string) { return $_string . $_arr; }, $_arr));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OY6CL
function name:  (null)
number of ops:  12
compiled vars:  !0 = $_arr, !1 = $_string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, 'TestWalk'
    4     2        ECHO                                                     '%3Cpre%3E'
    5     3        INIT_FCALL                                               'print_r'
          4        INIT_FCALL                                               'array_map'
          5        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FOY6CL%3A5%240'
          6        SEND_VAL                                                 ~4
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FOY6CL%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OY6CL
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $_string, !1 = $_arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1        CONCAT                                           ~2      !0, !1
          2      > RETURN                                                   ~2
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FOY6CL%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.63 ms | 1386 KiB | 17 Q