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I have an array with two types of files: .jpg and .pdf. I’m developing a PHP page of monthly publications.
I created a select to define the year of publication, the user will be able to choose the year of publication, type: when choosing the year 2018, automatically
will appear all the covers of the publications of each month of the year 2018 in a <img>, by clicking on the publication image I would like you to open another page
in the browser downloading the PDF of the publication.
In the following code, I can bring all the files in .jpg and .pdf. I just can’t develop how to get these files in the array and reallocate the .jpg on the page and the .pdf to download. 
Code:
<center>
<div>
    <h3>Publicações</h3>
        <div>
            <form id="formConsulta" action="arquivo.php" method="post" name="formConsulta">
                <select name="slcAnoFalaBrt">
                    <option value='2012'>2012</option>
                    <option value='xxx'>xxx</option>
                   <option value='2019'>2019</option>
               </select>
                <input type="submit" value="Buscar">
            </form>
        </div>
        <br>
        <div>
        </div>
</div>
<?php
if(isset($_POST['slcAno'])){
$intAno = $_POST['slcAno'];
//Obter a listagem dos Arquivos do diretório
$pasta = 'download/Publicacoes/';
if(is_dir($pasta)){
  $diretorio = dir($pasta);
  //var_dump($diretorio);//
  while($arquivo = $diretorio->read()){
    if($arquivo != '..' && $arquivo != '.'){
        // Cria um Array com todos os Arquivos encontrados
    $arrayArquivos[date('Y/m/d H:i:s', filemtime($pasta.$arquivo))] =   $pasta.$arquivo;
    }//fim if//
    }//fim while//
  $diretorio->close();
}//fim if is_dir();//
//Classificar os  arquivos para a Ordem Crescente
//krsort($arrayArquivos, SORT_STRING);
//Mostra a listagem dos Arquivos
foreach($arrayArquivos as $valorArquivos ){
echo '<a href='.$valorArquivos.'>'.$valorArquivos.'</a><br />';//
}//fim foreach
}//fim if isset//
?>
Guys, I don’t know how to leave the code formatted in the Stack overflow pattern! Could someone help!
– PCP84
PCP84, in the editor there are two keys {}, select your code and click on it. :)
– Filipe L. Constante
I formatted the code. To learn how to do it, see help center
– hkotsubo
Because you use the date
date('Y/m/d H:i:s', filemtime($pasta.$arquivo))in the array index? And when you use$intAno?– Leonardo Barros
int year and to select the year of publication, and date('Y/m/d H:i:s', filemtime($folder. $file)) the idea and to compare the file date. (if user selects year 2018 print on screen only 2018 publications!
– PCP84