Encodes the Unicode values to be used in the URI.

i18n-friendly version of basename().

Checks for invalid UTF8 in a string.

Converts emoji characters to their equivalent HTML entity.

Safely extracts not more than the first $count characters from HTML string.

Separates HTML elements and comments from the text.

Adds all filters modifying the rel attribute of targeted links.

Converts to ASCII from email subjects.

Converts full URL paths to absolute paths.

Parses a string into variables to be stored in an array.