(PECL rrd >= 0.9.0) Fetch the data for graph as array. array rrd_fetch ( string $filename, array $options ) Gets data for graph output from RRD database file as array. This function has same result as rrd_graph(), but fetched data are returned as array, no image file is created. Parameters: filename RRD database file name. options Ar

(PHP 5 >= 5.1.0, PHP 7) Checks validity of the current element public bool AppendIterator::valid ( void ) Checks validity of the current element. Returns: Returns TRUE if the current iteration is valid, FALSE otherwise. See also: AppendIterator::current() - AppendIterator::key() -

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Set information in the message queue data structure bool msg_set_queue ( resource $queue, array $data ) msg_set_queue() allows you to change the values of the msg_perm.uid, msg_perm.gid, msg_perm.mode and msg_qbytes fields of the underlying message queue data structure. Changing the data structure will require that PHP be running as the same user that created the queue, owns the queue (as

(PHP >= 5.3.0, PECL phar >= 2.0.0) dummy function (Phar::setDefaultStub is not valid for PharData) bool PharData::setDefaultStub ([ string $index [, string $webindex ]] ) Non-executable tar/zip archives cannot have a stub, so this method simply throws an exception. Parameters: index Relative path within the phar archive to run if accessed on the command-line

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the maximum supported keysize of the opened mode int mcrypt_enc_get_key_size ( resource $td ) Gets the maximum supported key size of the algorithm in bytes. Parameters: td The encryption descriptor. Returns: Returns the maximum supported key size of the algorithm in bytes.

(PHP 5, PHP 7) Extracts a range of data from the node string DOMCharacterData::substringData ( int $offset, int $count ) Returns the specified substring. Parameters: offset Start offset of substring to extract. count The number of characters to extract. Returns: The specified substring. If the sum of offset a

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get float value of a variable float floatval ( mixed $var ) Gets the float value of var. Parameters: var May be any scalar type. floatval() should not be used on objects, as doing so will emit an E_NOTICE level error and return 1. Returns: The float value of the given variable. Empty arrays return 0, non-empty ar

(PHP 5 >= 5.1.0, PHP 7) Get the inner iterator public Traversable IteratorIterator::getInnerIterator ( void ) Get the inner iterator. Returns: The inner iterator as passed to IteratorIterator::__construct(). See also: Iterator - OuterIterator -

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Sets a quota for a given mailbox bool imap_set_quota ( resource $imap_stream, string $quota_root, int $quota_limit ) Sets an upper limit quota on a per mailbox basis. Parameters: imap_stream An IMAP stream returned by imap_open(). quota_root The mailbox to have a quota set. This should follow the IMAP sta

(PHP 5 >= 5.1.0, PHP 7) Gets the current key public scalar AppendIterator::key ( void ) Get the current key. Returns: The current key if it is valid or NULL otherwise. Examples: AppendIterator::key() basic example <?php $array_a = new ArrayIterator(array('a' => 'aardwolf', 'b' => 'bear', 'c' => 'capybara')