(PECL ps >= 1.1.0) Sets gray value bool ps_setgray ( resource $psdoc, float $gray ) Sets the gray value for all following drawing operations. Parameters: psdoc Resource identifier of the postscript file as returned by ps_new(). gray The value must be between 0 (white) and 1 (black). Returns: Returns TRUE on

(PHP 5, PHP 7) Performs relaxNG validation on the document public bool DOMDocument::relaxNGValidate ( string $filename ) Performs » relaxNG validation on the document based on the given RNG schema. Parameters: filename The RNG file. Returns: Returns TRUE on success or FALSE on failure.

(PECL apd 0.2-0.4) Returns the current call stack as an array array apd_callstack ( void ) Returns the current call stack as an array Returns: An array containing the current call stack. Examples: apd_callstack() example <?php print_r(apd_callstack()); ?>

(PHP 4, PHP 5, PHP 7) Changes the current umask int umask ([ int $mask ] ) umask() sets PHP's umask to mask & 0777 and returns the old umask. When PHP is being used as a server module, the umask is restored when each request is finished. Parameters: mask The new umask. Returns: umask() without arguments simply returns the current umask otherw

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Set bit void gmp_setbit ( GMP &$a, int $index [, bool $bit_on = true ] ) Sets bit index in a. Parameters: a The value to modify. Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number. index

(PECL cairo >= 0.1.0) The dscBeginPageSetup purpose public void CairoPsSurface::dscBeginPageSetup ( void ) The method description goes here. Returns: Description... This function is currently not documented; only its argument list is available. Examples: CairoPsSurface::dscBeginPageSetup(

(PHP 4, PHP 5, PHP 7) Tells whether the filename is a directory bool is_dir ( string $filename ) Tells whether the given filename is a directory. Parameters: filename Path to the file. If filename is a relative filename, it will be checked relative to the current working directory. If filename is a symbolic or hard link then the link will be resolved and checked. If you h

(PHP 4, PHP 5, PHP 7) Examples: include_once with a case insensitive OS in PHP 4 With PHP 4, _once functionality differs with case-insensitive operating systems (like Windows) so for example: <?php include_once "a.php"; // this will include a.php include_once "A.php"; // this will include a.php again! (PHP 4 only) ?>

(PHP >= 5.3.0, PECL phar >= 1.0.0) Returns phar archive meta-data public mixed Phar::getMetadata ( void ) Retrieve archive meta-data. Meta-data can be any PHP variable that can be serialized. Returns: any PHP variable that can be serialized and is stored as meta-data for the Phar archive, or NULL if no meta-data is stored. Examples:

(PHP 5 >= 5.6.0, PHP 7) Poll the status of an in-progress asynchronous PostgreSQL connection attempt. int pg_connect_poll ([ resource $connection ] ) pg_connect_poll() polls the status of a PostgreSQL connection created by calling pg_connect() with the PGSQL_CONNECT_ASYNC option. Parameters: connection PostgreSQL database connection resource. Retu