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<?php $text = "0,2-16 км/час"; preg_match('/(\(^[1-9]{1}$|^[1-4]{1}[0-9]{1}$|^15$))/', $text, $m); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lCPZv
function name:  (null)
number of ops:  10
compiled vars:  !0 = $text, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0%2C2-16+%D0%BA%D0%BC%2F%D1%87%D0%B0%D1%81'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28%5C%28%5E%5B1-9%5D%7B1%7D%24%7C%5E%5B1-4%5D%7B1%7D%5B0-9%5D%7B1%7D%24%7C%5E15%24%29%29%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157 ms | 1394 KiB | 17 Q