3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($b) { return "Hi $b"; } $bar = 'bario'; $myfoo = foo; // my 'version' echo "<br>2 {$myfoo($bar)}";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gIIEX
function name:  (null)
number of ops:  10
compiled vars:  !0 = $bar, !1 = $myfoo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, 'bario'
    9     1        FETCH_CONSTANT                                   ~3      'foo'
          2        ASSIGN                                                   !1, ~3
   10     3        NOP                                                      
          4        INIT_DYNAMIC_CALL                                        !1
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0  $5      
          7        FAST_CONCAT                                      ~6      '%3Cbr%3E2+', $5
          8        ECHO                                                     ~6
          9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gIIEX
function name:  foo
number of ops:  5
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        NOP                                                      
          2        FAST_CONCAT                                      ~1      'Hi+', !0
          3      > RETURN                                                   ~1
    6     4*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
135.05 ms | 994 KiB | 13 Q