Filter_sanitize_special_chars

Filter_Sanitize_Special_Chars. In this specific case though FILTER_SANITIZE_FULL_SPECIAL_CHARS can only be used in newer versions of php than the one my hosting provider uses We are still on php 5217 My question is how do I accomplish the same task with the same reliability as using this easy call to the filter_var function?.

URLencode string optionally strip or encode special characters.

php 5.2 php 5.2 FILTER_SANITIZE_FULL_SPECIAL_CHARS

The FILTER_SANITIZE_SPECIAL_CHARS constant filter HTMLescapes special characters Flags FILTER_FLAG_STRIP_LOW − Strip characters with ASCII value below 32 FILTER_FLAG_STRIP_HIGH − Strip characters with ASCII value above 32 FILTER_FLAG_ENCODE_HIGH − Encode characters with ASCII value above 32 Return The FILTER_SANITIZE_SPECIAL_CHARS constant does not anything Example Live Demo.

PHP 7 Sanitize and Validate Filters Tutorial Republic

The FILTER_SANITIZE_ENCODED constant encodes special characters Flags and Options FILTER_FLAG_STRIP_LOW − Remove characters with ASCII value less than 32 FILTER_FLAG_STRIP_HIGH − Remove characters with ASCII value greater than 127 FILTER_FLAG_ENCODE_LOW − Encode characters with ASCII value less than 32.

FILTER_SANITIZE_ENCODED constant in PHP

FILTER_SANITIZE_NUMBER_INT Remove all characters except digits plus (+) and minus () sign FILTER_SANITIZE_SPECIAL_CHARS HTMLescape &#39″& and characters with ASCII value less than 32 optionally strip or encode other special characters FILTER_SANITIZE_STRING Strip tags optionally strip or encode special characters FILTER_SANITIZE_STRIPPED Alias of “string” filter FILTER_SANITIZE_URL.