(PECL runkit >= 0.7.0) Add a new function, similar to create_function() bool runkit_function_add ( string $funcname, string $arglist, string $code ) Parameters: funcname Name of function to be created arglist Comma separated argument list code Code making up the function Returns

(PHP 4, PHP 5, PHP 7) Read the list of mailboxes array imap_list ( resource $imap_stream, string $ref, string $pattern ) Read the list of mailboxes. Parameters: imap_stream An IMAP stream returned by imap_open(). ref ref should normally be just the server specification as described in imap_open(). pattern

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.5.0) delete an entry in the archive using its index bool ZipArchive::deleteIndex ( int $index ) Delete an entry in the archive using its index. Parameters: index Index of the entry to delete. Returns: Returns TRUE on success or FALSE on failure. Examples

(PHP 5 >= 5.3.0, PHP 7) Call a static method mixed forward_static_call ( callable $function [, mixed $parameter [, mixed $... ]] ) Calls a user defined function or method given by the function parameter, with the following arguments. This function must be called within a method context, it can't be used outside a class. It uses the late static binding. Parameters: function

(PHP 4 >= 4.0.7, PHP 5, PHP 7) Checks if the given key or index exists in the array bool array_key_exists ( mixed $key, array $array ) array_key_exists() returns TRUE if the given key is set in the array. key can be any value possible for an array index. Parameters: key Value to check. array An array with keys to check.

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Deflate a string string gzdeflate ( string $data [, int $level = -1 [, int $encoding = ZLIB_ENCODING_RAW ]] ) This function compresses the given string using the DEFLATE data format. For details on the DEFLATE compression algorithm see the document "» DEFLATE Compressed Data Format Specification version 1.3" (RFC 1951). Parameters: data

(PHP 5 >= 5.5.0, PHP 7) Generates a PKCS5 v2 PBKDF2 string, defaults to SHA-1 string openssl_pbkdf2 ( string $password, string $salt, int $key_length, int $iterations [, string $digest_algorithm ] ) Parameters: password salt key_length iterations dig

(PECL newt >= 0.1) void newt_grid_set_field ( resource $grid, int $col, int $row, int $type, resource $val, int $pad_left, int $pad_top, int $pad_right, int $pad_bottom, int $anchor [, int $flags ] ) Parameters: grid col row type val

(PECL imagick 2.0.0) Radial blurs an image bool Imagick::radialBlurImage ( float $angle [, int $channel = Imagick::CHANNEL_ALL ] ) Radial blurs an image. Parameters: angle Radial blurs an image. channel Radial blurs an image. Returns: Returns TRUE on success. E

(PHP 5, PHP 7) Checks if user defined public bool ReflectionClass::isUserDefined ( void ) Checks whether the class is user-defined, as opposed to internal. Returns: Returns TRUE on success or FALSE on failure. See also: ReflectionClass::isInternal() -