All pastes #396167 Raw Edit

Unnamed

public php v1 · immutable
·published 2007-03-15 15:43 UTC
rendered paste body
function validate_ip($ip, $stored_ip, $strength = 3){	$ip_pcre_test		= preg_match('/([0-9]*){1,3}\.([0-9]*){1,3}\.([0-9]*){1,3}\.([0-9]*){1,3}/', $ip);	$stored_pcre_test	= preg_match('/([0-9]*){1,3}\.([0-9]*){1,3}\.([0-9]*){1,3}\.([0-9]*){1,3}/', $stored_ip);	if ( !$ip_pcre_test || !$stored_pcre_test )	{		return false;	}		$ip = explode('.', $ip);	$stored_ip = explode('.', $stored_ip);		// This switch statement allows for validation levels from	// one to four octets, usualy you would use about 3 to ensure	// proper ip-based security.	switch ($strength)	{		case 4:			if ( $ip[3] <> $stored_ip[3] )			{				return false;			}		case 3:			if ( $ip[2] <> $stored_ip[2] )			{				return false;			}		case 2:			if ( $ip[1] <> $stored_ip[1] )			{				return false;			}		case 1:			if ( $ip[0] <> $stored_ip[0] )			{				return false;			}	}		return true;}