Phar::hasMetadata()

(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 1.2.0)

Returns whether phar has global meta-data

说明

publicPhar::hasMetadata(void): bool

Returns whether phar has global meta-data set.

参数

No parameters.

返回值

Returns TRUE if meta-data has been set, and FALSE if not.

范例

A Phar::hasMetadata() example

<?php
try {
    $phar = new Phar('myphar.phar');
    var_dump($phar->hasMetadata());
    $phar->setMetadata(array('thing' => 'hi'));
    var_dump($phar->hasMetadata());
    $phar->delMetadata();
    var_dump($phar->hasMetadata());
} catch (Exception $e) {
    // handle error
}
?>

以上例程会输出：

bool(false)
bool(true)
bool(false)

参见

• Phar::getMetadata() Returns phar archive meta-data
• Phar::setMetadata() Sets phar archive meta-data
• Phar::delMetadata() Deletes the global metadata of the phar