PHP function constant()

Availability in versions: `PHP 4.0.4`

Parameters

Return values

• 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.

Other resources

• https://www.php.net/manual/en/php-user-filter…
• https://www.php.net/manual/en/php-user-filter…
• https://www.php.net/manual/en/php-user-filter… / 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

Jan Barášek   Více o autorovi

Autor článku pracuje jako seniorní vývojář a software architekt v Praze. Navrhuje a spravuje velké webové aplikace, které znáte a používáte. Od roku 2009 nabral bohaté zkušenosti, které tímto webem předává dál.

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2024