FAQ's de PHP

[nuevo]

Código PHP:

  <?php 
function FUNC_generaPassw($num,$may){ 
    if(empty($num)){$num=5;} 
 
    $voc = array ("a","e","i","o","u"); 
    $con = array ("b","c","d","f","g","h","j","k","l","m","n","ñ","p","q","r","s","t","w","x","y","z"); 
    $psw = ""; 
    $vc  = mt_rand(0,1); 
 
        for ($n=0; $n<$num; $n++){ 
            if ($vc==1){ 
                $vc=0; 
                $psw .= $con[mt_rand(0,count($con)-1)]; 
            } 
            $psw .= $voc[mt_rand(0,count($voc)-1)]; 
            $psw .= $con[mt_rand(0,count($con)-1)]; 
        } 
 
    $psw = ereg_replace ("q","qu",$psw); 
    $psw = ereg_replace ("quu","que",$psw); 
    $psw = ereg_replace ("yi","ya",$psw); 
    $psw = ereg_replace ("iy","ay",$psw); 
 
        if(empty($may)){ 
            $psw = strtoupper($psw); 
        } 
 
    $psw = substr($psw,0,$num); 
 
    session_name('codePaswSession'); 
    session_start(); 
    session_cache_limiter('nocache,private'); 
    ini_set("session.cache_limiter","6400"); 
 
    if(empty($_SESSION['psw'])){ 
        $_SESSION['psw'] = $psw; 
    }else{ 
        $psw = $_SESSION['psw']; 
    } 
     
    return $psw; 
} 
 
function FUNC_imprimePasswImg($psw,$fontSize,$winSizeW,$winSizeH) { 
    if(empty($psw)){$psw = "ERROR PASSW";} 
    if(empty($fontSize)){$fontSize=5;} 
    if(empty($winSizeW)){$winSizeW=72;} 
    if(empty($winSizeH)){$winSizeH=18;} 
 
    $width  = ImageFontWidth($fontSize) * strlen($string); 
    $height = ImageFontHeight($fontSize); 
    $img = ImageCreate($winSizeW,$winSizeH); 
    $bgColor = ImageColorAllocate($img,102,102,202); 
    $txColor = ImageColorAllocate($img,220,220,220); 
    ImageFilledRectangle($img,0,0,$winSizeW,$winSizeH,$bgColor); 
    ImageString($img,$fontSize,0,0,$psw,$txColor); 
 
    header("content-type: image/png"); 
    ImagePng($img); 
    Imagedestroy($img); 
 
} 
 
FUNC_imprimePasswImg(FUNC_generaPassw(8,1),5,72,18); 
 
/* 
1º= numero de letras = 8 
2º= minusculas = 1 o mayusculas = 0 
3º= size-text = 5 
4º= sizeW-win = 72 
5º= sizeH-win = 18 
 
Para usarlo, crea un fichero xxx.html o xxx.php y le pones esto 
1º= Si es HTML solo: 
    <img src="func_codeletras.inc.php"> 
 
2º= Si ademas de HTML, quieres usar php: 
     <img src="func_codeletras.inc.php"> 
    session_name('codePaswSession'); 
    session_start(); 
    session_cache_limiter('nocache,private'); 
    ini_set("session.cache_limiter","6400"); 
 
    echo $_SESSION['psw']; 
 
*/ 
?>   

es la misma de siempre, pero montada