3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nr = '10'; echo is_float($nr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LTIJN
function name:  (null)
number of ops:  4
compiled vars:  !0 = $nr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '10'
    3     1        TYPE_CHECK                                   32  ~2      !0
          2        ECHO                                                     ~2
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.05 ms | 1392 KiB | 13 Q