Online PHP editor | vld for aqDYm

@ 2020-03-21T11:18:09Z

<?php

$data = <<<DNA
                              atggagga gccgcagtca gatcctagcg tcgagccccc
  241 tctgagtcag gaaacatttt cagacctatg gaaactactt cctgaaaaca acgttctgtc
  301 ccccttgccg tcccaagcaa tggatgattt gatgctgtcc ccggacgata ttgaacaatg
  361 gttcactgaa gacccaggtc cagatgaagc tcccagaatg ccagaggctg ctccccccgt
  421 ggcccctgca ccagcagctc ctacaccggc ggcccctgca ccagccccct cctggcccct
  481 gtcatcttct gtcccttccc agaaaaccta ccagggcagc tacggtttcc gtctgggctt
  541 cttgcattct gggacagcca agtctgtgac ttgcacgtac tcccctgccc tcaacaagat
  601 gttttgccaa ctggccaaga cctgccctgt gcagctgtgg gttgattcca cacccccgcc
  661 cggcacccgc gtccgcgcca tggccatcta caagcagtca cagcacatga cggaggttgt
  721 gaggcgctgc ccccaccatg agcgctgctc agatagcgat ggtctggccc ctcctcagca
  781 tcttatccga gtggaaggaa atttgcgtgt ggagtatttg gatgacagaa acacttttcg
  841 acatagtgtg gtggtgccct atgagccgcc tgaggttggc tctgactgta ccaccatcca
  901 ctacaactac atgtgtaaca gttcctgcat gggcggcatg aaccggaggc ccatcctcac
  961 catcatcaca ctggaagact ccagtggtaa tctactggga cggaacagct ttgaggtgcg
 1021 tgtttgtgcc tgtcctggga gagaccggcg cacagaggaa gagaatctcc gcaagaaagg
 1081 ggagcctcac cacgagctgc ccccagggag cactaagcga gcactgccca acaacaccag
 1141 ctcctctccc cagccaaaga agaaaccact ggatggagaa tatttcaccc ttcagatccg
 1201 tgggcgtgag cgcttcgaga tgttccgaga gctgaatgag gccttggaac tcaaggatgc
 1261 ccaggctggg aaggagccag gggggagcag ggctcactcc agccacctga agtccaaaaa
 1321 gggtcagtct acctcccgcc ataaaaaact catgttcaag acagaagggc ctgactcaga
 1381 ctga
DNA;

$pattern = '/
 (?(DEFINE)(?<sequence>(?:[a-z][^a-z]*){3})) # define a pattern for a 3 letter sequence
 (?&sequence){247} # consume 247 ocurrences
 (?<match>(?&sequence)) # match 248th occurence
/x';

if (preg_match($pattern, $data, $matches)) {
  var_dump(preg_replace('/[^a-z]+/', '', $matches['match']));
}

Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 17
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/aqDYm
function name:  (null)
number of ops:  18
compiled vars:  !0 = $data, !1 = $pattern, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '++++++++++++++++++++++++++++++atggagga+gccgcagtca+gatcctagcg+tcgagccccc%0A++241+tctgagtcag+gaaacatttt+cagacctatg+gaaactactt+cctgaaaaca+acgttctgtc%0A++301+ccccttgccg+tcccaagcaa+tggatgattt+gatgctgtcc+ccggacgata+ttgaacaatg%0A++361+gttcactgaa+gacccaggtc+cagatgaagc+tcccagaatg+ccagaggctg+ctccccccgt%0A++421+ggcccctgca+ccagcagctc+ctacaccggc+ggcccctgca+ccagccccct+cctggcccct%0A++481+gtcatcttct+gtcccttccc+agaaaaccta+ccagggcagc+tacggtttcc+gtctgggctt%0A++541+cttgcattct+gggacagcca+agtctgtgac+ttgcacgtac+tcccctgccc+tcaacaagat%0A++601+gttttgccaa+ctggccaaga+cctgccctgt+gcagctgtgg+gttgattcca+cacccccgcc%0A++661+cggcacccgc+gtccgcgcca+tggccatcta+caagcagtca+cagcacatga+cggaggttgt%0A++721+gaggcgctgc+ccccaccatg+agcgctgctc+agatagcgat+ggtctggccc+ctcctcagca%0A++781+tcttatccga+gtggaaggaa+atttgcgtgt+ggagtatttg+gatgacagaa+acacttttcg%0A++841+acatagtgtg+gtggtgccct+atgagccgcc+tgaggttggc+tctgactgta+ccaccatcca%0A++901+ctacaactac+atgtgtaaca+gttcctgcat+gggcggcatg+aaccggaggc+ccatcctcac%0A++961+catcatcaca+ctggaagact+ccagtggtaa+tctactggga+cggaacagct+ttgaggtgcg%0A+1021+tgtttgtgcc+tgtcctggga+gagaccggcg+cacagaggaa+gagaatctcc+gcaagaaagg%0A+1081+ggagcctcac+cacgagctgc+ccccagggag+cactaagcga+gcactgccca+acaacaccag%0A+1141+ctcctctccc+cagccaaaga+agaaaccact+ggatggagaa+tatttcaccc+ttcagatccg%0A+1201+tgggcgtgag+cgcttcgaga+tgttccgaga+gctgaatgag+gccttggaac+tcaaggatgc%0A+1261+ccaggctggg+aaggagccag+gggggagcag+ggctcactcc+agccacctga+agtccaaaaa%0A+1321+gggtcagtct+acctcccgcc+ataaaaaact+catgttcaag+acagaagggc+ctgactcaga%0A+1381+ctga'
   27     1        ASSIGN                                                   !1, '%2F%0A+%28%3F%28DEFINE%29%28%3F%3Csequence%3E%28%3F%3A%5Ba-z%5D%5B%5Ea-z%5D%2A%29%7B3%7D%29%29+%23+define+a+pattern+for+a+3+letter+sequence%0A+%28%3F%26sequence%29%7B247%7D+%23+consume+247+ocurrences%0A+%28%3F%3Cmatch%3E%28%3F%26sequence%29%29+%23+match+248th+occurence%0A%2Fx'
   33     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        DO_ICALL                                         $5      
          7      > JMPZ                                                     $5, ->17
   34     8    >   INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'preg_replace'
         10        SEND_VAL                                                 '%2F%5B%5Ea-z%5D%2B%2F'
         11        SEND_VAL                                                 ''
         12        FETCH_DIM_R                                      ~6      !2, 'match'
         13        SEND_VAL                                                 ~6
         14        DO_ICALL                                         $7      
         15        SEND_VAR                                                 $7
         16        DO_ICALL                                                 
   35    17    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0

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