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<?php echo (preg_match("/^\d+(?:\.\d+)?$/", '6.9', $salida)); echo (preg_match("/^[0-9]+$/", '6', $salida));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KcBZC
function name:  (null)
number of ops:  13
compiled vars:  !0 = $salida
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5Cd%2B%28%3F%3A%5C.%5Cd%2B%29%3F%24%2F'
          2        SEND_VAL                                                 '6.9'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5        ECHO                                                     $1
    4     6        INIT_FCALL                                               'preg_match'
          7        SEND_VAL                                                 '%2F%5E%5B0-9%5D%2B%24%2F'
          8        SEND_VAL                                                 '6'
          9        SEND_REF                                                 !0
         10        DO_ICALL                                         $2      
         11        ECHO                                                     $2
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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