3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( ($name = 'adfasdf' && !is_numeric((string)$name)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iumJ9
function name:  (null)
number of ops:  11
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'is_numeric'
          2        CAST                                          6  ~1      !0
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                         $2      
          5        BOOL_NOT                                         ~3      $2
          6        BOOL                                             ~4      ~3
          7        ASSIGN                                           ~5      !0, ~4
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.09 ms | 1394 KiB | 17 Q