php教程

Phar::hasMetadata

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

Phar::hasMetadataReturns whether phar has global meta-data

说明

public Phar::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

Example #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
}
?>

以上例程会输出:

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

参见

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