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<?php $str = '/1/2/3/'; preg_match( '/^(\/\d+)+\/$/', $str, $matches ); if( empty( $matches ) );
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/nHOeb
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F1%2F2%2F3%2F'
    5     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%28%5C%2F%5Cd%2B%29%2B%5C%2F%24%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        ISSET_ISEMPTY_CV                                         !1
          7      > JMPZ                                                     ~4, ->8
          8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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