3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var1, $var2 = null) { echo $var1; echo "\n"; echo $var2; echo "\n"; } test('hallo');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uDL1e
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'test'
          1        SEND_VAL                                                 'hallo'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uDL1e
function name:  test
number of ops:  7
compiled vars:  !0 = $var1, !1 = $var2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      null
    4     2        ECHO                                                     !0
    5     3        ECHO                                                     '%0A'
    6     4        ECHO                                                     !1
    7     5        ECHO                                                     '%0A'
    8     6      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.67 ms | 1396 KiB | 14 Q