3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('0' == '0'); var_dump('0' ?? '0' == '0'); var_dump(('0' ?? '0') == '0');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sWP36
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'var_dump'
          4        COALESCE                                         ~1      '0'
          5        QM_ASSIGN                                        ~1      <true>
          6        SEND_VAL                                                 ~1
          7        DO_ICALL                                                 
    5     8        INIT_FCALL                                               'var_dump'
          9        COALESCE                                         ~3      '0'
         10        QM_ASSIGN                                        ~3      '0'
         11        IS_EQUAL                                         ~4      ~3, '0'
         12        SEND_VAL                                                 ~4
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158 ms | 1394 KiB | 15 Q