3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 5; if (ctype_digit(strval($i))) echo 'is did';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/m2cG1
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    5     1        INIT_FCALL                                               'ctype_digit'
          2        CAST                                          6  ~2      !0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                         $3      
          5      > JMPZ                                                     $3, ->7
          6    >   ECHO                                                     'is+did'
          7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.57 ms | 1394 KiB | 15 Q