diff --git a/reference/filter/filters.xml b/reference/filter/filters.xml index 0c450eb9fc..c4f52759dd 100644 --- a/reference/filter/filters.xml +++ b/reference/filter/filters.xml @@ -3,6 +3,7 @@ Types of filters +
Validate filters @@ -116,7 +117,9 @@
+ +
Sanitize filters @@ -249,7 +252,9 @@
+ +
Other filters @@ -278,6 +283,224 @@
+ + + +
+ Filter flags + + + + List of filter flags + + + + ID + Used with + Description + + + + + FILTER_FLAG_STRIP_LOW + + FILTER_SANITIZE_ENCODED, + FILTER_SANITIZE_SPECIAL_CHARS, + FILTER_SANITIZE_STRING, + FILTER_UNSAFE_RAW + + + Strips characters that has a numerical value <32. + + + + FILTER_FLAG_STRIP_HIGH + + FILTER_SANITIZE_ENCODED, + FILTER_SANITIZE_SPECIAL_CHARS, + FILTER_SANITIZE_STRING, + FILTER_UNSAFE_RAW + + + Strips characters that has a numerical value >127. + + + + FILTER_FLAG_ALLOW_FRACTION + + FILTER_SANITIZE_NUMBER_FLOAT + + + Allows a period (.) as a fractional separator in + numbers. + + + + FILTER_FLAG_ALLOW_THOUSAND + + FILTER_SANITIZE_NUMBER_FLOAT, + FILTER_VALIDATE_FLOAT + + + Allows a comma (,) as a thousands separator in + numbers. + + + + FILTER_FLAG_ALLOW_SCIENTIFIC + + FILTER_SANITIZE_NUMBER_FLOAT + + + Allows an e or E for scientific + notation in numbers. + + + + FILTER_FLAG_NO_ENCODE_QUOTES + + FILTER_SANITIZE_STRING + + + If this flag is present, single (') and double + (") quotes will not be encoded. + + + + FILTER_FLAG_ENCODE_LOW + + FILTER_SANITIZE_ENCODED, + FILTER_SANITIZE_STRING, + FILTER_SANITIZE_RAW + + + Encodes all characters with a numerical value <32. + + + + FILTER_FLAG_NO_ENCODE_HIGH + + FILTER_SANITIZE_ENCODED, + FILTER_SANITIZE_SPECIAL_CHARS, + FILTER_SANITIZE_STRING, + FILTER_SANITIZE_RAW + + + Encodes all characters with a numerical value >127. + + + + FILTER_FLAG_NO_ENCODE_AMP + + FILTER_SANITIZE_STRING, + FILTER_SANITIZE_RAW + + + Encodes ampersands (&). + + + + FILTER_NULL_ON_FAILURE + + FILTER_VALIDATE_BOOLEAN + + + Returns &null; for unrecognized boolean values. + + + + FILTER_FLAG_ALLOW_OCTAL + + FILTER_VALIDATE_INT + + + Regards inputs starting with a zero (0) as octal + numbers. This only allows the preceding digits to be + 0-7. + + + + FILTER_FLAG_ALLOW_HEX + + FILTER_VALIDATE_INT + + + Regards inputs starting with 0x or + 0X as hexadecimal numbers. This only allows + preceding characters to be a-hA-H0-9. + + + + FILTER_FLAG_IPV4 + + FILTER_VALIDATE_IP + + + Allows the IP address to be in IPv4 format. + + + + FILTER_FLAG_IPV6 + + FILTER_VALIDATE_IP + + + Allows the IP address to be in IPv6 format. + + + + FILTER_FLAG_NO_PRIV_RANGE + + FILTER_VALIDATE_IP + + + + Fails validation for the following private IPv4 ranges: + 10.0.0.0/8, 172.16.0.0/12 and + 192.168.0.0/16. + + + Fails validation for the IPv6 addresses starting with + FD or FC. + + + + + FILTER_FLAG_NO_RES_RANGE + + FILTER_VALIDATE_IP + + + Fails validation for the following reserved IPv4 ranges: + 0.0.0.0/8, 169.254.0.0/16, + 192.0.2.0/24 and 224.0.0.0/4. + This flag does not apply to IPv6 addresses. + + + + FILTER_FLAG_PATH_REQUIRED + + FILTER_VALIDATE_URL + + + Requires the URL to contain a path part. + + + + FILTER_FLAG_QUERY_REQUIRED + + FILTER_VALIDATE_URL + + + Requires the URL to contain a query string. + + + + +
+ +
+