[Php] define functie

define("PROFIEL_LINK", "<a href=\"?page=profiel&id=".$result["id"]."\">".$result["gebruikersnaam"]."</a>");

define("PROFIEL_LINK", "<a href=\"?page=profiel&id=".$result["id"]."\">".$result["gebruikersnaam"]."</a>");

$query 	= mysql_query("SELECT * FROM leden ORDER BY id");

echo "<table>";
while($result = mysql_fetch_array($query))
{
	echo "<tr>";
	echo "<td>"PROFIEL_LINK"</td>";
	echo "</tr>";
}
echo "</table>";

$query 	= mysql_query("SELECT * FROM leden ORDER BY id");
 
echo "<table>";
while($result = mysql_fetch_array($query))
{
	echo "<tr>";
	echo "<td>"PROFIEL_LINK"</td>";
	echo "</tr>";
}
echo "</table>";

niet:
echo("<td>"PROFIEL_LINK"</td>";

probeer:
echo "<td>".PROFIEL_LINK."</td>";

niet:
echo("<td>"PROFIEL_LINK"</td>";
 
probeer:
echo "<td>".PROFIEL_LINK."</td>";

echo "<td>".PROFIEL_LINK."</td>";

echo "<td>".PROFIEL_LINK."</td>";

<?php
    if (defined('PROFIEL_LINK')) {
        echo '<pre>', var_dump(PROFIEL_LINK), '</pre>';
    } else {
        echo 'PROFIEL_LINK bestaat niet';
    }
?>

<?php
    if (defined('PROFIEL_LINK')) {
        echo '<pre>', var_dump(PROFIEL_LINK), '</pre>';
    } else {
        echo 'PROFIEL_LINK bestaat niet';
    }
?>

if (defined('PROFIEL_LINK')) {
  echo '<pre>', var_dump(PROFIEL_LINK), '</pre>';
} else {
  echo 'PROFIEL_LINK bestaat niet';
}

if (defined('PROFIEL_LINK')) {
  echo '<pre>', var_dump(PROFIEL_LINK), '</pre>';
} else {
  echo 'PROFIEL_LINK bestaat niet';
}

<?php

    define("PROFIEL_LINK", '<a href="?page=profiel&id=%d">%s</a>');

    $selectMembers = mysql_query("SELECT `id`, `gebruikersnaam`
                                  FROM `leden`
                                  ORDER BY `id` ASC");
    
    echo '<table>';
    
    while ($member = mysql_fetch_assoc($selectMembers)) {

        echo '<tr>'
           . '  <td>' . sprintf(PROFIEL_LINK, intval($member['id']), htmlspecialchars(stripslashes($member['gebruikersnaam']))) . '</td>'
           . '</tr>';
           
    }
    
    echo '</table>';

<?php
 
    define("PROFIEL_LINK", '<a href="?page=profiel&id=%d">%s</a>');
 
    $selectMembers = mysql_query("SELECT `id`, `gebruikersnaam`
                                  FROM `leden`
                                  ORDER BY `id` ASC");
 
    echo '<table>';
 
    while ($member = mysql_fetch_assoc($selectMembers)) {
 
        echo '<tr>'
           . '  <td>' . sprintf(PROFIEL_LINK, intval($member['id']), htmlspecialchars(stripslashes($member['gebruikersnaam']))) . '</td>'
           . '</tr>';
 
    }
 
    echo '</table>';

<a href=\"?page=profiel&id=".$_SESSION["id"]."\">".$_SESSION["gebruikersnaam"]."</a>

<a href=\"?page=profiel&id=".$_SESSION["id"]."\">".$_SESSION["gebruikersnaam"]."</a>