3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(pow(2,53)-1); var_dump(PHP_INT_MAX); var_dump(PHP_INT_MAX * 2 +1); var_dump(dechex(PHP_INT_MAX * 2 + 1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LncJA
function name:  (null)
number of ops:  21
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'pow'
          2        SEND_VAL                                                 2
          3        SEND_VAL                                                 53
          4        DO_ICALL                                         $0      
          5        SUB                                              ~1      $0, 1
          6        SEND_VAL                                                 ~1
          7        DO_ICALL                                                 
    4     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAL                                                 9223372036854775807
         10        DO_ICALL                                                 
    5    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAL                                                 1.84467e+19
         13        DO_ICALL                                                 
    6    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'dechex'
         16        SEND_VAL                                                 1.84467e+19
         17        DO_ICALL                                         $5      
         18        SEND_VAR                                                 $5
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.34 ms | 1386 KiB | 19 Q