3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "silly"; var_dump( !strcmp($s) == 0); // true
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dkj1a
function name:  (null)
number of ops:  10
compiled vars:  !0 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'silly'
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'strcmp'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        BOOL_NOT                                         ~3      $2
          6        IS_EQUAL                                         ~4      ~3, 0
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.7 ms | 1394 KiB | 17 Q