* Functia intoarce prima valoare valida dintre urmatoarele:
* HTTP_CLIENT_IP
* HTTP_X_FORWARDED_FOR
* REMOTE_ADDR (cu getenv)
* REMOTE_ADDR (din $_SERVER)
* "unknown" (in cazul in care niciuna dintre cele de mai sus nu este valida)
*
* @author ACTIVESOFT
* @return String
*/
function get_ip() {
if ( getenv( "HTTP_CLIENT_IP" ) && strcasecmp( getenv( "HTTP_CLIENT_IP" ), "unknown" ) ){
$ip = getenv("HTTP_CLIENT_IP");
}else{
if ( getenv( "HTTP_X_FORWARDED_FOR" ) && strcasecmp( getenv( "HTTP_X_FORWARDED_FOR" ), "unknown" ) ) {
$ip = getenv("HTTP_X_FORWARDED_FOR");
}else{
if ( getenv( "REMOTE_ADDR" ) && strcasecmp( getenv( "REMOTE_ADDR" ), "unknown" ) ) {
$ip = getenv("REMOTE_ADDR");
}else{
if ( isset( $_SERVER[ 'REMOTE_ADDR' ] ) && $_SERVER[ 'REMOTE_ADDR' ] && strcasecmp ($_SERVER[ 'REMOTE_ADDR' ], "unknown" ) ) {
$ip = $_SERVER['REMOTE_ADDR'];
}else{
$ip = "unknown";
}
}
}
}
return $ip;
}
/**
* Functie care formateaza o expresie intr-un string capabil de a fi introdus
* intr-un url
*
* @author Adrian Popa
* @param String $string
* @param String $separator
* @return String
*/
function link_style( $string, $separator = "_" )
{
$content = str_replace("?","A", $string);
$content = str_replace("?","a" , $content);
$content = str_replace("?","A", $content);
$content = str_replace("?","a", $content);
$content = str_replace("?","I", $content);
$content = str_replace("?","i", $content);
$content = str_replace("?","S", $content);
$content = str_replace("?","s", $content);
$content = str_replace("?","T", $content);
$content = str_replace("?","t", $content);
$content = str_replace("?","a", $content);
$content = str_replace("/","-", $content);
$content = str_replace("?", "t", $content);
$content = str_replace("?", "A", $content);
$content = str_replace("?", "S", $content);
$content = str_replace("?", "s", $content);
$content = str_replace("?", "T", $content);
$content = str_replace("?", " ", $content);
$content = str_replace("=",",", $content);
$content = str_replace("+"," ", $content);
$content = str_replace(" "," ",$content);
$content = str_replace(" ","",$content);
$content = trim($content);
$content = ereg_replace("[^[:alnum:]+]","$separator",$content);
$content = eregi_replace("([".$separator."]+)",$separator,$content);
return $content;
}
/**
* Functie care intoarce extensia unui fisier
*
* @author Paul Cocei
* @param String $filename
* @return String
*/
function get_extension($filename)
{
$bucati = explode(".", $filename);
return strtolower($bucati[count($bucati) - 1]);
}
/**
* Functie care verifica validitatea unei adrese de e-mail
* Reguli:
* - nume_cont trebuie sa inceapa cu o litera, apoi poate contine cifre, punct si underscore: ala12.b12_
* - numele serverului trebuie sa inceapa cu o litera, apoi sunt permise si cifre: top100
* - subsirul final, ca mai sus, fara punct
*
* @param String $email
* @return Boolean
*/
function is_email( $email )
{
$email=trim($email);
$pattern="([a-zA-Z0-9][a-zA-Z0-9._-]*)@(([a-zA-Z][a-zA-Z0-9._-]*)\.)+([a-zA-Z][a-zA-Z0-9]*)";
ereg($pattern,$email,$regs);
if ($regs[0]!=$email || $email=="") {
return false;
}
return true;
}
/**
* Functie care trunchiaza inteligent un string la lungimea dorita
*
* @param String $string - Stringul sursa
* @param Integer $lungime - Lungimea la care se trunchiaza (default: 30)
* @return String
*/
function inceput_str( $string, $lungime=30 )
{
if (strlen( $string )< $lungime ) {
$res = $string;
}else{
$aux = wordwrap( $string, $lungime, ' ...', 1 );
$pos = strpos( $aux, ' ...' );
$res = substr( $aux, 0, $pos+4 );
}
$res=strtr( $res, "\n", ' ' );
return $res;
}
/** ALIASURI */
/**
* Alias pentru functia date_to_str
*
* @deprecated
* @author ACTIVESOFT
* @param String $date
* @param Integer $caz
* @param Integer $l
* @return String
* @see date_to_str
*/
function date2str( $date = '', $caz = 3, $l = 1 ) {
return date_to_str( $date, $caz, $l );
}
/**
* Alias pentru functia get_ip
*
* @deprecated
* @author ACTIVESOFT
* @return String
* @see get_ip
*/
function getip(){
return get_ip();
}
/**
* Functie care scrie un mesaj intr-un fisier de log, formatat corespunzator
* impreuna cu momentul scrierii
*
* @author ACTIVESOFT
* @copyright ACTIVESOFT
* @version 1.0
* @param String $logfile - Fisierul log
* @param String $message - Mesajul
* @return Boolean
*/
function write_to_log( $logfile, $message )
{
$fp = fopen( $logfile, "a" );
if ( ! $fp )
{
return false;
}
$message = "[" . date( "Y-m-d H:i:s" ) . "] " . $message . "\n";
if ( fwrite( $fp, $message ) )
{
$ret = true;
}else{
$ret = false;
}
fclose( $fp );
return $ret;
}
?>