PHP function constant()
Obsah článku
Availability in versions: PHP 4.0.4
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$name |
string |
not | The constant name. |
Return values
- int
The filter() method must return one of three values upon completion.
Return Value Meaning
PSFS_PASS_ON Filter processed successfully with data available in the outbucket brigade.PSFS_FEED_ME Filter processed successfully, however no data was available to return. More data is required from the stream or prior filter. PSFS_ERR_FATAL (default) The filter experienced an unrecoverable error and cannot continue. /
public function filter($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.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
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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Status | Aktualizováno: ... | en
- bool