PHP funkce constant()

Dostupnost ve verzích: PHP 4.0.4

Parametry

Parametr Datový typ Výchozí hodnota Poznámka
$name string 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://php.net/manual/en/php-user-filter.filter.php
  • https://php.net/manual/en/php-user-filter.oncreate.php
  • https://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.