(PHP 4 >= 4.0.6, PHP 5, PHP 7) Detect character encoding

(No version information available, might only be in Git) Get index of current position

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

(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Add value to field without carrying into more significant fields

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Checks if a language tag filter matches with locale

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns the matched part of a multibyte regular expression

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Quick format message

(PHP 7) Get the property value for a given value name

(PHP 5 >= 5.5.0, PHP 7, PECL intl >= 3.0.0) Sets formatterʼs timezone

(PHP 5 >= 5.3.0, PHP 7, PECL enchant >= 0.1.0 ) Describes an individual dictionary