$res = mysql_query("SELECT l.*, t.* FROM locales l INNER JOIN tipos t ON l.tipo=t.id WHERE l.calle='Independencia'");
         while($row = mysql_fetch_array($res)){
           print_r($row) ;
           echo "<br/>--<br/>" ;
 
      }
 

$link = 'http://misitio.com/confirmar.php?variable=' . base64_encode($_POST) ;
 

$qs = $_SERVER['QUERY_STRING'] ;
 
$info = base64_decode($qs) ;
 

<?php
$to      = 'nobody@example.com';
$subject = 'the subject';
$message = 'hello';
$headers = 'From: webmaster@example.com' . "\r\n" .
    'Reply-To: webmaster@example.com' . "\r\n" .
    'X-Mailer: PHP/' . phpversion();
 
mail($to, $subject, $message, $headers);
?>
 

SELECT * FROM empleados WHERE IF(salario > 3200,1,0) = 1
 

bool imagejpeg ( resource $image [, string $filename [, int $quality ]] )