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<?php $options = [ 'regexp' => '/\A[\r\n\t[:^cntrl:]]{1,100}\z/u', ]; $name = filter_input("\00", FILTER_VALIDATE_REGEXP, compact('options')); var_dump($name);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2Crcg
function name:  (null)
number of ops:  14
compiled vars:  !0 = $options, !1 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'filter_input'
          2        SEND_VAL                                                 '%00'
          3        SEND_VAL                                                 272
          4        INIT_FCALL                                               'compact'
          5        SEND_VAL                                                 'options'
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
    6    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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