(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 1.2.0)
Phar::hasMetadata — Returns whether phar has global meta-data
Returns whether phar has global meta-data set.
No parameters.
Returns true if meta-data has been set, and false if not.
示例 #1 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
}
?>以上示例会输出：
bool(false) bool(true) bool(false)