PHP funkce constant()

Dostupnost ve verzích: PHP 4.0.4

Parametry

Parametr	Datový typ	Výchozí hodnota	Poznámka
$name	string	není	The constant name.

Návratové hodnoty

• int

  The filter() method must return one of three values upon completion.

/ public function filter($in, $out, &$consumed, $closing) { }

/**

• bool / public function onCreate() { }

/**

• string
• mixed the value of the constant, or &null; if the constant is not defined.

Další zdroje

• https://www.php.net/manual/en/php-user-filter.filter.php
• https://www.php.net/manual/en/php-user-filter.oncreate.php
• https://www.php.net/manual/en/php-user-filter.onclose.php / public function onClose() { }

}

/** Instances of Directory are created by calling the dir() function, not by the new operator. / class Directory {

/**

• https://www.php.net/manual/en/directory.close.php / public function close ( $dir_handle ) {}

/** Rewind directory handle. Same as rewinddir(), only dir_handle defaults to $this.

• https://www.php.net/manual/en/directory.rewind.php / public function rewind ( $dir_handle ) {}

/** Read entry from directory handle. Same as readdir(), only dir_handle defaults to $this.

• https://www.php.net/manual/en/directory.read.php / public function read ( $dir_handle) { }

}

/** Returns the value of a constant

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Return Value	Meaning
PSFS_PASS_ON	Filter processed successfully with data available in the out bucket brigade.
PSFS_FEED_ME	Filter processed successfully, however no data was available to return. More data is required from the stream or prior filter.
PSFS_ERR_FATAL (default)	The filter experienced an unrecoverable error and cannot continue.