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<?php print preg_match('/^\d+(,\d+)*$/', $input['numbers']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tlLn3
function name:  (null)
number of ops:  7
compiled vars:  !0 = $input
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5Cd%2B%28%2C%5Cd%2B%29%2A%24%2F'
          2        FETCH_DIM_R                                      ~1      !0, 'numbers'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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