Afficher toutes les entrées d'une table

<?php
//activation de l'affichage des erreurs PHP
error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);


//connexio à la bdd en style "objet"
require_once( '../script/connection.inc.php' );
 
$servername = "localhost";
$username = "username";
$password = "password";

// Create connection
$conn = new mysqli($servername, $username, $password,  $database);

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}


//requête en style objet
$req = "SELECT * FROM LCDetudepv";
if (! $res = $conn->query( $req )){
 echo "Query Error : " .  $conn->error;
}


$i=0;
/* fetch associative array */
while ($row = $res->fetch_assoc()) {
  $class  = $i % 2 ? "rowTab1" : "rowTab2";
  echo '<tr class="'.$class.'">' . "\n";
  echo '<td>';
   print_r($row); // a toi de mettre ce que tu veux dans cette cellule...
  echo '</td>';
  echo "</tr>";  
  $i++;
}


//fermeture de la connexion à la bdd
$conn->close();

...
<table border=1 align="center" cellspacing="0" bordercolor="#000000">
	<tr>
		<td align="center" valign="middle"><strong>ID</strong>
		</td>
		<td align="center" valign="middle"><strong>VALEURS</strong>
		</td>
		<td align="center" valign="middle" bordercolor="#000000"><strong>MOTS</strong>
		</td>
	</tr>
 
<?php
include( '../script/connection.inc.php' );
$conn = mysqli_connect( $servername, $username, $password, $database );
if ( !$conn ) {
die( "Échec de la connexion : " . mysqli_connect_error() );
}
$req = "SELECT * FROM test";
$res = $conn->query( $req );
$i = 0;
while ( $sqlRow = mysqli_fetch_array( $res ) ) {
if ( $i % 2 == 0 ) {
echo '<tr class="rowTab1">' . "\n";
} else {
echo '<tr class="rowTab2">' . "\n";
}
$i++;
 
?>
	<tr>
		<td align="right" valign="middle">
			<?php
			if ( $sqlRow[ 'id' ] == "" ) {
				print( "" . "\n" );
			} else {
				print '<span style="color:black">' . $sqlRow[ 'id' ] . "\n";
			}
			?>
		</td>
		<td align="right" valign="middle">
			<?php
			if ( $sqlRow[ 'valeurb' ] == "" ) {
			       print( " " . "\n" );
			       } else {
				print '<span style="color:black">' . $sqlRow[ 'valeurb' ] . "\n";
				}
			?>
		</td>
		<td align="right" valign="middle" bordercolor="#000000">
			<?php
			if ( $sqlRow[ 'mot' ] == "" ) {
				print( " " . "\n" );
			} else {
				print '<span style="color:black">' . $sqlRow[ 'mot' ] . "\n";
			}
			}
			?>  
		</td>
	</tr>
</table>
 
...