array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'phar.isbuffering.php', 1 => 'Phar::isBuffering', ), 'up' => array ( 0 => 'class.phar.php', 1 => 'Phar', ), 'prev' => array ( 0 => 'phar.interceptfilefuncs.php', 1 => 'Phar::interceptFileFuncs', ), 'next' => array ( 0 => 'phar.iscompressed.php', 1 => 'Phar::isCompressed', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/phar/Phar/isBuffering.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 1.0.0)
Phar::isBuffering — Used to determine whether Phar write operations are being buffered, or are flushing directly to disk
This method can be used to determine whether a Phar will save changes to disk immediately, or whether a call to Phar::stopBuffering() is needed to enable saving changes.
Phar write buffering is per-archive, buffering active for the
foo.phar
Phar archive does not affect changes
to the bar.phar
Phar archive.
此函数没有参数。
示例 #1 A Phar::isBuffering() example
<?php
$p = new Phar(dirname(__FILE__) . '/brandnewphar.phar', 0, 'brandnewphar.phar');
$p2 = new Phar('existingphar.phar');
$p['file1.txt'] = 'hi';
var_dump($p->isBuffering());
var_dump($p2->isBuffering());
?>
=2=
<?php
$p->startBuffering();
var_dump($p->isBuffering());
var_dump($p2->isBuffering());
$p->stopBuffering();
?>
=3=
<?php
var_dump($p->isBuffering());
var_dump($p2->isBuffering());
?>
以上示例会输出:
bool(false) bool(false) =2= bool(true) bool(false) =3= bool(false) bool(false)