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First run of introducing Stream-To-File for the WP_HTTP API. Reduces memory consumption during file downloads. Implemented in download_url() for upgraders. Props sivel. See #16236

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git-svn-id: https://develop.svn.wordpress.org/trunk@17555 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse
2011-03-25 02:42:20 +00:00
parent a1822ad76c
commit ec8280cfd8
3 changed files with 183 additions and 85 deletions
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36
wp-includes/functions.php
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@@ -2110,6 +2110,42 @@ function path_join( $base, $path ) {
return rtrim($base, '/') . '/' . ltrim($path, '/');
}
/**
* Determines a writable directory for temporary files.
* Function's preference is to WP_CONTENT_DIR followed by the return value of <code>sys_get_temp_dir()</code>, before finally defaulting to /tmp/
*
* In the event that this function does not find a writable location, It may be overridden by the <code>WP_TEMP_DIR</code> constant in your <code>wp-config.php</code> file.
*
* @since 2.5.0
*
* @return string Writable temporary directory
*/
function get_temp_dir() {
static $temp;
if ( defined('WP_TEMP_DIR') )
return trailingslashit(WP_TEMP_DIR);
if ( $temp )
return trailingslashit($temp);
$temp = WP_CONTENT_DIR . '/';
if ( is_dir($temp) && @is_writable($temp) )
return $temp;
if ( function_exists('sys_get_temp_dir') ) {
$temp = sys_get_temp_dir();
if ( @is_writable($temp) )
return trailingslashit($temp);
}
$temp = ini_get('upload_tmp_dir');
if ( is_dir($temp) && @is_writable($temp) )
return trailingslashit($temp);
$temp = '/tmp/';
return $temp;
}
/**
* Get an array containing the current upload directory's path and url.
*