3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo print('foo') ?? print('bar') ?? print('baz'); echo (print('foo') ?? print('bar')) ?? print('baz');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PvvSr
function name:  (null)
number of ops:  17
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   COALESCE                                         ~0      'foo'
          1        COALESCE                                         ~1      'bar'
          2        ECHO                                                     'baz'
          3        QM_ASSIGN                                        ~1      1
          4        ECHO                                                     ~1
          5        QM_ASSIGN                                        ~0      1
          6        ECHO                                                     ~0
          7        ECHO                                                     1
    4     8        COALESCE                                         ~2      'foo'
          9        ECHO                                                     'bar'
         10        QM_ASSIGN                                        ~2      1
         11        ECHO                                                     ~2
         12        COALESCE                                         ~3      1
         13        ECHO                                                     'baz'
         14        QM_ASSIGN                                        ~3      1
         15        ECHO                                                     ~3
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
130.6 ms | 1006 KiB | 13 Q