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<?php preg_match('/([0-4]3)-([0-9]3)-([0-9]4)/', "TEL 323-555-1212", $matches); $a = $matches[1]; print($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HcprY
function name:  (null)
number of ops:  9
compiled vars:  !0 = $matches, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%28%5B0-4%5D3%29-%28%5B0-9%5D3%29-%28%5B0-9%5D4%29%2F'
          2        SEND_VAL                                                 'TEL+323-555-1212'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    4     5        FETCH_DIM_R                                      ~3      !0, 1
          6        ASSIGN                                                   !1, ~3
    5     7        ECHO                                                     !1
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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