3v4l.org

run code in 300+ PHP versions simultaneously
<?php $greet = function($name) { printf("Hello %s\r\n", $name); }; $greet('World'); $greet('PHP'); $f = function($s) { echo $s*2; }; $f(4);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XDe8A
function name:  (null)
number of ops:  14
compiled vars:  !0 = $greet, !1 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXDe8A%3A4%240'
          1        ASSIGN                                                   !0, ~2
    9     2        INIT_DYNAMIC_CALL                                        !0
          3        SEND_VAL_EX                                              'World'
          4        DO_FCALL                                      0          
   10     5        INIT_DYNAMIC_CALL                                        !0
          6        SEND_VAL_EX                                              'PHP'
          7        DO_FCALL                                      0          
   13     8        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXDe8A%3A13%241'
          9        ASSIGN                                                   !1, ~6
   15    10        INIT_DYNAMIC_CALL                                        !1
         11        SEND_VAL_EX                                              4
         12        DO_FCALL                                      0          
         13      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FXDe8A%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XDe8A
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    6     1        INIT_FCALL                                               'printf'
          2        SEND_VAL                                                 'Hello+%25s%0D%0A'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    7     5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXDe8A%3A4%240

Function %00%7Bclosure%7D%2Fin%2FXDe8A%3A13%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XDe8A
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        MUL                                              ~1      !0, 2
          2        ECHO                                                     ~1
          3      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXDe8A%3A13%241

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
175.44 ms | 1401 KiB | 15 Q