(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1) Set the day on which the week is deemed to start

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get the last error code

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Determine whether to save a replacement pairs list along with the wordlist

(No version information available, might only be in Git) Get the text being scanned

(No version information available, might only be in Git) Rewind the iterator to the first element

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Parse a number

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Create a config used to open a dictionary

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Get truncated string with specified width

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Retrieve the result from the last multibyte regular expression match

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Parse string to a timestamp value