3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("PHP_INT_MIN",~PHP_INT_MAX); var_dump( PHP_INT_MIN ); var_dump( -PHP_INT_MAX-1 ); var_dump( (float) 0x80000000 );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aam7G
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'PHP_INT_MIN'
          2        SEND_VAL                                                 -9223372036854775808
          3        DO_ICALL                                                 
    3     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAL                                                 -9223372036854775808
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAL                                                 -9223372036854775808
          9        DO_ICALL                                                 
    5    10        INIT_FCALL                                               'var_dump'
         11        CAST                                          5  ~3      2147483648
         12        SEND_VAL                                                 ~3
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.63 ms | 1394 KiB | 17 Q