3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(is_numeric('0xdeadbeef'), is_numeric('deadbeef'));
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/XN8Wo
function name:  (null)
number of ops:  11
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'var_dump'
         1        INIT_FCALL                                               'is_numeric'
         2        SEND_VAL                                                 '0xdeadbeef'
         3        DO_ICALL                                         $0      
         4        SEND_VAR                                                 $0
         5        INIT_FCALL                                               'is_numeric'
         6        SEND_VAL                                                 'deadbeef'
         7        DO_ICALL                                         $1      
         8        SEND_VAR                                                 $1
         9        DO_ICALL                                                 
        10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0