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<?php echo '*'.preg_match('/_abc$/','tp_abc').'*';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QlrqP
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F_abc%24%2F'
          2        SEND_VAL                                                 'tp_abc'
          3        DO_ICALL                                         $0      
          4        CONCAT                                           ~1      '%2A', $0
          5        CONCAT                                           ~2      ~1, '%2A'
          6        ECHO                                                     ~2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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