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<?php $testValue = 'mdpre'; $baseValue = 'mdprefid'; var_dump(preg_match('/^' . $testValue . '/', $baseValue));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Jd4L4
function name:  (null)
number of ops:  12
compiled vars:  !0 = $testValue, !1 = $baseValue
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'mdpre'
    3     1        ASSIGN                                                   !1, 'mdprefid'
    4     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'preg_match'
          4        CONCAT                                           ~4      '%2F%5E', !0
          5        CONCAT                                           ~5      ~4, '%2F'
          6        SEND_VAL                                                 ~5
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $6      
          9        SEND_VAR                                                 $6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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