3v4l.org

run code in 500+ PHP versions simultaneously
<?php function bar() { echo "bar() called\n"; return 1; } function foo() { static $i = bar(); echo $i++, "\n"; } foo(); foo(); foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAFd9
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                                   'foo'
          1        DO_FCALL                                          0          
   14     2        INIT_FCALL                                                   'foo'
          3        DO_FCALL                                          0          
   15     4        INIT_FCALL                                                   'foo'
          5        DO_FCALL                                          0          
          6      > RETURN                                                       1

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAFd9
function name:  bar
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                         'bar%28%29+called%0A'
    5     1      > RETURN                                                       1
    6     2*     > RETURN                                                       null

End of function bar

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAFd9
function name:  foo
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   BIND_INIT_STATIC_OR_JMP                                      !0
          1        INIT_FCALL                                                   'bar'
          2        DO_FCALL                                          0  $1      
          3        BIND_STATIC                                                  !0, $1
   10     4        POST_INC                                             ~2      !0
          5        ECHO                                                         ~2
          6        ECHO                                                         '%0A'
   11     7      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
159.76 ms | 1735 KiB | 17 Q