3v4l.org

run code in 300+ PHP versions simultaneously
<?php openssl_encrypt(str_repeat('x', 16), 'aes-128-ecb', str_repeat('y', 16), OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EIPDp
function name:  (null)
number of ops:  18
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'openssl_encrypt'
          1        INIT_FCALL                                               'str_repeat'
          2        SEND_VAL                                                 'x'
          3        SEND_VAL                                                 16
          4        DO_ICALL                                         $0      
          5        SEND_VAR_NO_REF_EX                                       $0
          6        SEND_VAL_EX                                              'aes-128-ecb'
          7        INIT_FCALL                                               'str_repeat'
          8        SEND_VAL                                                 'y'
          9        SEND_VAL                                                 16
         10        DO_ICALL                                         $1      
         11        SEND_VAR_NO_REF_EX                                       $1
         12        FETCH_CONSTANT                                   ~2      'OPENSSL_RAW_DATA'
         13        FETCH_CONSTANT                                   ~3      'OPENSSL_ZERO_PADDING'
         14        BW_OR                                            ~4      ~2, ~3
         15        SEND_VAL_EX                                              ~4
         16        DO_FCALL                                      0          
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.9 ms | 1004 KiB | 14 Q