3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((bool) intval('33')); var_dump((bool) (intval('dafa') > 0));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U1OZU
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        CAST                                          4  ~0      '33'
          2        BOOL                                             ~1      ~0
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
    3     5        INIT_FCALL                                               'var_dump'
          6        CAST                                          4  ~3      'dafa'
          7        IS_SMALLER                                       ~4      0, ~3
          8        BOOL                                             ~5      ~4
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.75 ms | 1394 KiB | 15 Q