3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = true; $b = 'true'; $c = false; $d = 'false'; var_dump($a == $b); var_dump($a === $b); var_dump($c == $d); var_dump($c === $d); var_dump($a == $d); var_dump(print('bebg' . PHP_EOL));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hgBrd
function name:  (null)
number of ops:  29
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <true>
    4     1        ASSIGN                                                       !1, 'true'
    5     2        ASSIGN                                                       !2, <false>
    6     3        ASSIGN                                                       !3, 'false'
    8     4        INIT_FCALL                                                   'var_dump'
          5        IS_EQUAL                                             ~8      !0, !1
          6        SEND_VAL                                                     ~8
          7        DO_ICALL                                                     
    9     8        INIT_FCALL                                                   'var_dump'
          9        IS_IDENTICAL                                         ~10     !0, !1
         10        SEND_VAL                                                     ~10
         11        DO_ICALL                                                     
   10    12        INIT_FCALL                                                   'var_dump'
         13        IS_EQUAL                                             ~12     !2, !3
         14        SEND_VAL                                                     ~12
         15        DO_ICALL                                                     
   11    16        INIT_FCALL                                                   'var_dump'
         17        IS_IDENTICAL                                         ~14     !2, !3
         18        SEND_VAL                                                     ~14
         19        DO_ICALL                                                     
   12    20        INIT_FCALL                                                   'var_dump'
         21        IS_EQUAL                                             ~16     !0, !3
         22        SEND_VAL                                                     ~16
         23        DO_ICALL                                                     
   14    24        INIT_FCALL                                                   'var_dump'
         25        ECHO                                                         'bebg%0A'
         26        SEND_VAL                                                     1
         27        DO_ICALL                                                     
         28      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
154.41 ms | 1723 KiB | 13 Q