3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = microtime(true); $data = md5(substr(str_shuffle('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'), 0, rand(1,10))); $keyhash = md5('secret key'); $ivsize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($ivsize, MCRYPT_DEV_URANDOM); $cipherdata = ''; for ($i = 0; $i < 2500; $i += 1) { // XOR $cipherdata ^= mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $keyhash, $data, MCRYPT_MODE_CBC, $iv); } $time = microtime(true) - $time; echo 'array_diff() took ' . number_format($time, 3) . ' seconds'.PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 51
Branch analysis from position: 51
2 jumps found. (Code = 44) Position 1 = 53, Position 2 = 40
Branch analysis from position: 53
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 40
2 jumps found. (Code = 44) Position 1 = 53, Position 2 = 40
Branch analysis from position: 53
Branch analysis from position: 40
filename:       /in/58hZB
function name:  (null)
number of ops:  67
compiled vars:  !0 = $time, !1 = $data, !2 = $keyhash, !3 = $ivsize, !4 = $iv, !5 = $cipherdata, !6 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'microtime'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                         $7      
          3        ASSIGN                                                   !0, $7
    4     4        INIT_FCALL                                               'md5'
          5        INIT_FCALL                                               'substr'
          6        INIT_FCALL                                               'str_shuffle'
          7        SEND_VAL                                                 '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
          8        DO_ICALL                                         $9      
          9        SEND_VAR                                                 $9
         10        SEND_VAL                                                 0
         11        INIT_FCALL                                               'rand'
         12        SEND_VAL                                                 1
         13        SEND_VAL                                                 10
         14        DO_ICALL                                         $10     
         15        SEND_VAR                                                 $10
         16        DO_ICALL                                         $11     
         17        SEND_VAR                                                 $11
         18        DO_ICALL                                         $12     
         19        ASSIGN                                                   !1, $12
    5    20        INIT_FCALL                                               'md5'
         21        SEND_VAL                                                 'secret+key'
         22        DO_ICALL                                         $14     
         23        ASSIGN                                                   !2, $14
    6    24        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
         25        FETCH_CONSTANT                                   ~16     'MCRYPT_RIJNDAEL_256'
         26        SEND_VAL_EX                                              ~16
         27        FETCH_CONSTANT                                   ~17     'MCRYPT_MODE_CBC'
         28        SEND_VAL_EX                                              ~17
         29        DO_FCALL                                      0  $18     
         30        ASSIGN                                                   !3, $18
    7    31        INIT_FCALL_BY_NAME                                       'mcrypt_create_iv'
         32        SEND_VAR_EX                                              !3
         33        FETCH_CONSTANT                                   ~20     'MCRYPT_DEV_URANDOM'
         34        SEND_VAL_EX                                              ~20
         35        DO_FCALL                                      0  $21     
         36        ASSIGN                                                   !4, $21
    9    37        ASSIGN                                                   !5, ''
   10    38        ASSIGN                                                   !6, 0
         39      > JMP                                                      ->51
   12    40    >   INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
         41        FETCH_CONSTANT                                   ~25     'MCRYPT_RIJNDAEL_256'
         42        SEND_VAL_EX                                              ~25
         43        SEND_VAR_EX                                              !2
         44        SEND_VAR_EX                                              !1
         45        FETCH_CONSTANT                                   ~26     'MCRYPT_MODE_CBC'
         46        SEND_VAL_EX                                              ~26
         47        SEND_VAR_EX                                              !4
         48        DO_FCALL                                      0  $27     
         49        ASSIGN_OP                                    11          !5, $27
   10    50        ASSIGN_OP                                     1          !6, 1
         51    >   IS_SMALLER                                               !6, 2500
         52      > JMPNZ                                                    ~30, ->40
   15    53    >   INIT_FCALL                                               'microtime'
         54        SEND_VAL                                                 <true>
         55        DO_ICALL                                         $31     
         56        SUB                                              ~32     $31, !0
         57        ASSIGN                                                   !0, ~32
   17    58        INIT_FCALL                                               'number_format'
         59        SEND_VAR                                                 !0
         60        SEND_VAL                                                 3
         61        DO_ICALL                                         $34     
         62        CONCAT                                           ~35     'array_diff%28%29+took+', $34
         63        CONCAT                                           ~36     ~35, '+seconds'
         64        CONCAT                                           ~37     ~36, '%0A'
         65        ECHO                                                     ~37
         66      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.66 ms | 1400 KiB | 25 Q