(PHP 7) Check a binary Unicode property for a code point

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Set a symbol value

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Find position (in grapheme units) of first occurrence of a

(PHP 7) Check if code point is a digit character

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Returns a key-value array of locale ID subtag elements.

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Set whether date/time interpretation is to be lenient

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Get the smallest local maximum for a field

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Convert to

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Format a currency value

(PHP 7) Check if code point is a graphic character