Validate filters
Validate filters
Validate filters
ID | Name | Options | Flags | Description |
---|---|---|---|---|
FILTER_VALIDATE_BOOLEAN |
“boolean” | default |
FILTER_NULL_ON_FAILURE |
Returns If |
FILTER_VALIDATE_DOMAIN |
“validate_domain” | default |
FILTER_FLAG_HOSTNAME |
Validates whether the domain name label lengths are Validates domain names against RFC 1034, RFC 1035, |
FILTER_VALIDATE_EMAIL |
“validate_email” | default |
FILTER_FLAG_EMAIL_UNICODE |
Validates whether the value is a valid e-mail In general, this validates e-mail addresses against |
FILTER_VALIDATE_FLOAT |
“float” |
default , decimal
|
FILTER_FLAG_ALLOW_THOUSAND |
Validates value as float, and converts to float on success. |
FILTER_VALIDATE_INT |
“int” |
default , min_range , max_range
|
FILTER_FLAG_ALLOW_OCTAL ,FILTER_FLAG_ALLOW_HEX
|
Validates value as integer, optionally from the specified range, and converts to int on success. |
FILTER_VALIDATE_IP |
“validate_ip” | default |
FILTER_FLAG_IPV4 ,FILTER_FLAG_IPV6 ,FILTER_FLAG_NO_PRIV_RANGE ,FILTER_FLAG_NO_RES_RANGE
|
Validates value as IP address, optionally only IPv4 or IPv6 or not from private or reserved ranges. |
FILTER_VALIDATE_MAC |
“validate_mac_address” | default |
Validates value as MAC address. | |
FILTER_VALIDATE_REGEXP |
“validate_regexp” |
default , regexp
|
Validates value against regexp ,a Perl-compatible regular expression. |
|
FILTER_VALIDATE_URL |
“validate_url” | default |
FILTER_FLAG_SCHEME_REQUIRED ,FILTER_FLAG_HOST_REQUIRED ,FILTER_FLAG_PATH_REQUIRED ,FILTER_FLAG_QUERY_REQUIRED
|
Validates value as URL (according to » http://www.faqs.org/rfcs/rfc2396), optionally with required components. Beware a valid URL may not specify the HTTP protocol http:// so further validation may be required to determine the URL uses an expected protocol, e.g. ssh:// or mailto:. Note that the function will only find ASCII URLs to be valid; internationalized domain names (containing non-ASCII characters) will fail. |
Note:
As of PHP 5.4.11, the numbers +0 and -0 validate as
both integers as well as floats (using
FILTER_VALIDATE_FLOAT
and
FILTER_VALIDATE_INT
). Before PHP
5.4.11 they only validated as floats (using
FILTER_VALIDATE_FLOAT
).When
default
is set
to option,default
‘s value is used
if value is not validated.
Changelog
Version | Description |
---|---|
7.0.0 | Added FILTER_FLAG_HOSTNAME
|
5.5.0 | Added FILTER_VALIDATE_MAC
|
5.2.1 |
FILTER_VALIDATE_URL nowimplicitly uses FILTER_FLAG_SCHEME_REQUIRED andFILTER_FLAG_HOST_REQUIRED . |