PharFileInfo->setMetaData

(PECL phar:1.0.0-1.2.1)

PharFileInfo->setMetaData — Sets file-specific meta-data saved with a file

说明

void PharFileInfo->setMetaData ( mixed $metadata )

setMetaData() should only be used to store customized data in a file that cannot be represented with existing information stored with a file. Meta-data can significantly slow down the performance of loading a phar archive if the data is large, or if there are many files containing meta-data. It is important to note that file permissions are natively supported inside a phar; it is possible to set them with the PharFileInfo->chmod() method. As with all functionality that modifies the contents of a phar, the phar.readonly INI variable must be off in order to succeed.

Some possible uses for meta-data include passing a user/group that should be set when a file is extracted from the phar to disk. Other uses could include explicitly specifying a MIME type to return. However, any useful data that describes a file, but should not be contained inside of it may be stored.

参数

metadata: Any PHP variable containing information to store alongside a file

范例

Example#1 A PharFileInfo->setMetaData() example


<?php
// make sure it doesn't exist
@unlink('brandnewphar.phar');
try {
    $p = new Phar(dirname(__FILE__) . '/brandnewphar.phar', 0, 'brandnewphar.phar');
    $p['file.txt'] = 'hello';
    $p['file.txt']->setMetaData(array('user' => 'bill', 'mime-type' => 'text/plain'));
    var_dump($p['file.txt']->getMetaData());
} catch (Exception $e) {
    echo 'Could not create/modify phar: ', $e;
}
?>

上例将输出：

array(2) {
  ["user"]=>
  string(4) "bill"
  ["mime-type"]=>
  string(10) "text/plain"
}

参见

PharFileInfo->getMetaData()


	PHP5中文手册 PharFileInfo->setCompressedGZ PharFileInfo->setUncompressed phar PHP Manual PharFileInfo->setMetaData (PECL phar:1.0.0-1.2.1) PharFileInfo->setMetaData — Sets file-specific meta-data saved with a file 说明 void PharFileInfo->setMetaData ( mixed `$metadata` ) setMetaData() should only be used to store customized data in a file that cannot be represented with existing information stored with a file. Meta-data can significantly slow down the performance of loading a phar archive if the data is large, or if there are many files containing meta-data. It is important to note that file permissions are natively supported inside a phar; it is possible to set them with the PharFileInfo->chmod() method. As with all functionality that modifies the contents of a phar, the phar.readonly INI variable must be off in order to succeed. Some possible uses for meta-data include passing a user/group that should be set when a file is extracted from the phar to disk. Other uses could include explicitly specifying a MIME type to return. However, any useful data that describes a file, but should not be contained inside of it may be stored. 参数 `metadata` Any PHP variable containing information to store alongside a file 范例 Example#1 A PharFileInfo->setMetaData() example `<?php // make sure it doesn't exist @unlink('brandnewphar.phar'); try { $p = new Phar(dirname(__FILE__) . '/brandnewphar.phar', 0, 'brandnewphar.phar'); $p['file.txt'] = 'hello'; $p['file.txt']->setMetaData(array('user' => 'bill', 'mime-type' => 'text/plain')); var_dump($p['file.txt']->getMetaData()); } catch (Exception $e) { echo 'Could not create/modify phar: ', $e; } ?>` 上例将输出： array(2) { ["user"]=> string(4) "bill" ["mime-type"]=> string(10) "text/plain" } 参见 PharFileInfo->getMetaData() PharFileInfo->setCompressedGZ PharFileInfo->setUncompressed phar PHP Manual