Witam, dostawca hostingu najprawdopodobniej zaktualizował wersję php i zaczęło mi krzaczyć błędami w poniższym pliku. Czy można zastąpic jakoś to polecenie z ereg?

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[PHP] pobierz, plaintext 
<?
if (!function_exists('check_email_address')) 
{
 
	function check_email_address($email) 
	{  
		// First, we check that there's one @ symbol, and that the lengths are right  
 
		if (!ereg("^[^@]{1,64}@[^@]{1,255}$", $email)) 
		{    // Email invalid because wrong number of characters in one section, or wrong number of @ symbols.    
			return false;  
		}  
		// Split it into sections to make life easier  
		$email_array = explode("@", $email);  
		$local_array = explode(".", $email_array[0]);  
		for ($i = 0; $i < sizeof($local_array); $i++) 
		{     
			if (!ereg("^(([A-Za-z0-9!#$%&'*+/=?^_`{|}~-][A-Za-z0-9!#$%&'*+/=?^_`{|}~\.-]{0,63})|(\"[^(\\|\")]{0,62}\"))$", $local_array[$i])) 
			{      
				return false;    
			}  
		}    
		if (!ereg("^\[?[0-9\.]+\]?$", $email_array[1])) 
		{ 
			// Check if domain is IP. If not, it should be valid domain name    
			$domain_array = explode(".", $email_array[1]);    
			if (sizeof($domain_array) < 2) 
			{        
				return false; 
				// Not enough parts to domain    
			}    
 
			if (strlen($domain_array[count($domain_array)-1])<2) {
					return false; 
					// zbyt krótka nazwa domeny głównej
			}
			for ($i = 0; $i < sizeof($domain_array); $i++) 
			{      
				if (!ereg("^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]+))$", $domain_array[$i])) 
				{        
					return false;      
				}    
			}  
		}  
		return true;
	}
}
?>
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
function check_email_address($email) {
    return filter_var($email, FILTER_VALIDATE_EMAIL);
}
[PHP] pobierz, plaintext