3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "value"; $var = (int)$var; echo (is_int($var)) ? $var : 'not';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vLmMj
function name:  (null)
number of ops:  10
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'value'
    4     1        CAST                                          4  ~2      !0
          2        ASSIGN                                                   !0, ~2
    6     3        TYPE_CHECK                                   16          !0
          4      > JMPZ                                                     ~4, ->7
          5    >   QM_ASSIGN                                        ~5      !0
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~5      'not'
          8    >   ECHO                                                     ~5
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.48 ms | 1393 KiB | 13 Q