<?phpfunction mb_ctype_alnum($s){return preg_match("/^[A-Za-z0-9_öçşğıüÖÇŞİĞÜ.]+$/",$s);}class dogrula{var $metin_durum=false;function tekKelime($giris,$min_size=false){$durum = false;if($min_size){if (mb_strlen($giris) >= $min_size){if (mb_ctype_alnum($giris)){$durum = true;}}}else{if(mb_ctype_alnum($giris) && mb_strlen($giris) > 0) {$durum = true;}}return $durum;}function rakam($giris,$ondalik=false) {$durum=false;if($ondalik){if(preg_match('/,/',$giris)){$tmp_giris = explode(',', $giris);}else{$tmp_giris = explode('.', $giris);}for ($i=0; $i<count($tmp_giris); $i++) {if (ctype_digit($tmp_giris[$i])) {$durum = true;}}}else{if (ctype_digit($giris)){$durum = true;}}return $durum;}function eposta($giris){$durum = false;if (preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/", $giris)) {$durum = true;}return $durum;}function adres($adres){$regexp = "/^(https?:\/\/)?(([0-9a-z_!~*'().&=+$%-]+:)?[0-9a-z_!~*'().&=+$%-]+@)?((([12]?[0-9]{1,2}\.){3}[12]?[0-9]{1,2})|(([0-9a-z_!~*'()-]+\.)*([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\.(com|net|org|edu|mil|gov|int|aero|coop|museum|name|info|biz|pro|[a-z]{2})))(:[1-6]?[0-9]{1,4})?((\/?)|(\/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+\/?)$/";if (preg_match( $regexp, $adres )){if (!preg_match( "/^https?:\/\//", $adres )) $adres = "http://" . $adres;if (!preg_match( "/^https?:\/\/.+\//", $adres )) $adres .= "/";if ((preg_match( "/\/[0-9a-z~_-]+$/", $adres)) && (!preg_match( "/[\?;&=+\$,#]/", $adres))) $adres .= "/";return true;}else{return false;}}function yazi($giris,$cikti=false,$guvenlik=false){$metin = false;if ($cikti == true) {if (mb_strlen(trim($giris)) > 0) {if ($guvenlik) {$metin = strip_tags($giris);$metin = htmlspecialchars($metin);}else{if(!get_magic_quotes_gpc()){$metin = addslashes($giris);}else{$metin = $giris;}}}}else{if(mb_strlen(trim($giris)) > 0){$metin = true;}}return $metin;}}$v=new dogrula;var_dump($v->tekKelime($giris="MerhabaDü2nya",$min_size=false));echo "<br>";var_dump($v->rakam($giris="12.3",$ondalik=true));echo "<br>";var_dump($v->rakam($giris="12,3",$ondalik=true));echo "<br>";var_dump($v->rakam($giris="12",$ondalik=false));echo "<br>";var_dump($v->rakam($giris="12",$ondalik=false));echo "<br>";var_dump($v->eposta($giris="ulusanyazilim@gmail.com"));echo "<br>";var_dump($v->adres($adres="https://ulusanyazilim.com"));echo "<br>";var_dump($v->yazi($giris="<a href=\"\">'Merhaba'</a>",$cikti=false,$guvenlik=false));echo "<br>";var_dump($v->yazi($giris="<a href=\"\">'Merhaba'</a>",$cikti=true,$guvenlik=true));echo "<br>";var_dump($v->yazi($giris="<a href=\"\">'Merhaba'</a>",$cikti=true,$guvenlik=false));?>
Çıktısı
bool(true)bool(true)bool(true)bool(true)bool(true)bool(true)bool(true)bool(true)string(9) "'Merhaba'"string(28) "\'Merhaba\'"