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<?php $value = 0; $regexp = '/(-)?[0-9]+(\.[0-9][0-9]?)?/'; preg_match($regexp, $value, $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RmZjH
function name:  (null)
number of ops:  11
compiled vars:  !0 = $value, !1 = $regexp, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    4     1        ASSIGN                                                   !1, '%2F%28-%29%3F%5B0-9%5D%2B%28%5C.%5B0-9%5D%5B0-9%5D%3F%29%3F%2F'
    5     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    7     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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