3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Date fiind următoarele variabile inițializate cu următoarele valori: \n\n"; $var1 = md5('240610708'); $var2 = md5('QNKCDZO'); echo "\$var1 = md5('240610708') = " . $var1 . "\n"; echo "\$var2 = md5('QNKCDZO') = " . $var2 . "\n"; echo "\n\nDe ce, totuși:\n\n"; echo "var_dump(md5('240610708') == md5('QNKCDZO')) = \n\t "; var_dump(md5('240610708') == md5('QNKCDZO')); echo "\n\nÎ: \tDe ce cele 2 hashuri sunt văzute ca 'egale'?\n\n"; echo "\n\nR: \tPentru că cele 2 variabile sunt evaluate ca float, valoarea 0:\n\n"; echo "\t++\$var2 = " . ++$var1 . "\n"; echo "\t++\$var2 = " . ++$var2 . "\n"; echo "\n\n\t\t\t Morala? \t\t\t USE the === operator!!!\n\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iAXP1
function name:  (null)
number of ops:  39
compiled vars:  !0 = $var1, !1 = $var2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     'Date+fiind+urm%C4%83toarele+variabile+ini%C8%9Bializate+cu+urm%C4%83toarele+valori%3A+%0A%0A'
    3     1        INIT_FCALL                                               'md5'
          2        SEND_VAL                                                 '240610708'
          3        DO_ICALL                                         $2      
          4        ASSIGN                                                   !0, $2
    4     5        INIT_FCALL                                               'md5'
          6        SEND_VAL                                                 'QNKCDZO'
          7        DO_ICALL                                         $4      
          8        ASSIGN                                                   !1, $4
    5     9        CONCAT                                           ~6      '%24var1+%3D+md5%28%27240610708%27%29+%3D+', !0
         10        CONCAT                                           ~7      ~6, '%0A'
         11        ECHO                                                     ~7
    6    12        CONCAT                                           ~8      '%24var2+%3D+md5%28%27QNKCDZO%27%29+%3D+', !1
         13        CONCAT                                           ~9      ~8, '%0A'
         14        ECHO                                                     ~9
    8    15        ECHO                                                     '%0A%0ADe+ce%2C+totu%C8%99i%3A%0A%0A'
    9    16        ECHO                                                     'var_dump%28md5%28%27240610708%27%29+%3D%3D+md5%28%27QNKCDZO%27%29%29+%3D+%0A%09+'
   10    17        INIT_FCALL                                               'var_dump'
         18        INIT_FCALL                                               'md5'
         19        SEND_VAL                                                 '240610708'
         20        DO_ICALL                                         $10     
         21        INIT_FCALL                                               'md5'
         22        SEND_VAL                                                 'QNKCDZO'
         23        DO_ICALL                                         $11     
         24        IS_EQUAL                                         ~12     $10, $11
         25        SEND_VAL                                                 ~12
         26        DO_ICALL                                                 
   12    27        ECHO                                                     '%0A%0A%C3%8E%3A+%09De+ce+cele+2+hashuri+sunt+v%C4%83zute+ca+%27egale%27%3F%0A%0A'
   13    28        ECHO                                                     '%0A%0AR%3A+%09Pentru+c%C4%83+cele+2+variabile+sunt+evaluate+ca+float%2C+valoarea+0%3A%0A%0A'
   14    29        PRE_INC                                          ~14     !0
         30        CONCAT                                           ~15     '%09%2B%2B%24var2+%3D+', ~14
         31        CONCAT                                           ~16     ~15, '%0A'
         32        ECHO                                                     ~16
   15    33        PRE_INC                                          ~17     !1
         34        CONCAT                                           ~18     '%09%2B%2B%24var2+%3D+', ~17
         35        CONCAT                                           ~19     ~18, '%0A'
         36        ECHO                                                     ~19
   16    37        ECHO                                                     '%0A%0A%09%09%09+Morala%3F+%09%09%09+USE+the+%3D%3D%3D+operator%21%21%21%0A%0A'
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
172.67 ms | 1400 KiB | 17 Q