Diagnósticos do projeto em PHP

diag.php

<?php

// Altere as configurações

$config = array(
  'version' => '5.3.7',
  'max_size' => '10M',
  'dir' => 'exemplo_escrita',
  'database' => array(
    'host' => 'localhost',
    'database' => 'copa',
    'username' => 'root',
    'password' => 'root'
  ),
  'tabela' => 'exemplo_tabela'
);


$configVersion = explodeVersion($config['version']);
$currentVersion = explodeVersion(phpversion());


if ($currentVersion[0] < $configVersion[0] or $currentVersion[1] < $configVersion[1] or (($currentVersion[1] < $configVersion[1]) and ($currentVersion[2] < $configVersion[2]))) {
 print "<strong>Versao " . phpversion() . " nao eh suficiente </strong>. Minima exigida " . $config['version'] . '<br>';
}
else {
  print "Versaoo " . phpversion() . " eh suficiente (minima exigida " . $config['version'] . ") <br>";
}


function explodeVersion($version) {
  $aux = explode('.', $version);
  $first = (int) $aux[0];
  $second = (int) $aux[1];
  $third = (int) $aux[2];
  return array($first, $second, $third);
}

print "<code>";


if ( function_exists('mcrypt_cbc')) {
  print "mcrypt ........................  instalado <br>";
}
else {
  print "mcrypt ........................  não instalado <br>";
}


$postMaxSize = ini_get('post_max_size');
$uploadMaxSize = ini_get('upload_max_filesize');
$configMaxSize = $config['max_size'];
print "post_max_size .................  $postMaxSize <br>";
print "upload_max_filesize ...........  $uploadMaxSize <br>";
print "configurado....................  $configMaxSize <br>";

if ((int) $uploadMaxSize > (int) $postMaxSize) {
  print "erro *** <strong>post_max_size</strong> deve ser maior ou igual a <strong>upload_max_filesize</strong> ***<br>";
}

if ((int) $postMaxSize < (int) $configMaxSize) {
  print "erro *** <strong>post_max_size</strong> deve ser maior ou igual a <strong>$configMaxSize</strong><br>";
}

if ((int) $uploadMaxSize < (int) $configMaxSize) {
  print "erro *** <strong>upload_max_filesize</strong> deve ser maior ou igual a <strong>$configMaxSize</strong><br>";
}

$dir = $config['dir'];
if (is_writable($dir)) {
  print "permissao escrita $dir videos...  ok<br>";  
}
else {
 print "erro *** dir <strong>$dir</strong> precisa ter permissao de escrita<br>";
}

try {
    $host     = $config['database']['host'];
    $database = $config['database']['database'];
    $username = $config['database']['username'];
    $password = $config['database']['password'];

    $conn = new PDO("mysql:host=$host;dbname=$database", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    print "conexao mysql..................  ok<br>";

    $tabela = $config['tabela'];

    $data = $conn->query("SELECT * FROM `$tabela` LIMIT 1");
    print "tabela $tabela.  existe<br>";

} catch(PDOException $e) 
{
    print "erro *** <strong>banco de dados com probema:</strong> ". $e->getMessage();
}