oont-contents/plugins/w3-total-cache/Generic_Page_PurgeLog.php
2025-02-08 15:10:23 +01:00

131 lines
2.8 KiB
PHP

<?php
/**
* File: Generic_Page_PurgeLog.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class: Generic_Page_PurgeLog
*
* phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
*/
class Generic_Page_PurgeLog {
/**
* Plugins regex
*
* @var string
*/
private $plugins_regexp = null;
/**
* Constructor
*
* @return void
*/
public function __construct() {
$p = dirname( dirname( __FILE__ ) );
if ( $this->starts_with( $p, ABSPATH ) ) {
$p = substr( $p, strlen( ABSPATH ) );
}
$this->plugins_regexp = '~^(' . Util_Environment::preg_quote( $p ) . '/)([^/]+)(.*)~';
}
/**
* Render content
*
* @return void
*/
public function render_content() {
$module = Util_Request::get_label( 'module' );
$log_filename = Util_Debug::log_filename( $module . '-purge' );
if ( file_exists( $log_filename ) ) {
$log_filefize = $this->to_human( filesize( $log_filename ) );
} else {
$log_filefize = 'n/a';
}
$lines = Util_DebugPurgeLog_Reader::read( $module );
$purgelog_modules = array();
$c = Dispatcher::config();
if ( $c->get_boolean( 'pgcache.debug_purge' ) ) {
$purgelog_modules[] = array(
'label' => 'pagecache',
'name' => 'Page Cache',
'postfix' => '',
);
}
if ( $c->get_boolean( 'dbcache.debug_purge' ) ) {
$purgelog_modules[] = array(
'label' => 'dbcache',
'name' => 'Database Cache',
'postfix' => '',
);
}
if ( $c->get_boolean( 'objectcache.debug_purge' ) ) {
$purgelog_modules[] = array(
'label' => 'objectcache',
'name' => 'Object Cache',
'postfix' => '',
);
}
$module_count = count( $purgelog_modules );
for ( $n = 0; $n < $module_count - 1; $n++ ) {
$purgelog_modules[ $n ]['postfix'] = '|';
}
require __DIR__ . '/Generic_Page_PurgeLog_View.php';
}
/**
* Converts bytes to human readable
*
* @param int $bytes Bytes.
* @param int $decimals Decimal places.
*
* @return string
*/
private function to_human( $bytes, $decimals = 2 ) {
$size = array( 'B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' );
$factor = floor( ( strlen( $bytes ) - 1 ) / 3 );
return sprintf( "%.{$decimals}f", $bytes / pow( 1024, $factor ) ) . @$size[ $factor ];
}
/**
* Checks if string starts with pattern.
*
* @param string $s String to check.
* @param string $prefix Matching pattern.
*
* @return bool
*/
private function starts_with( $s, $prefix ) {
return substr( $s, 0, strlen( $prefix ) ) === $prefix;
}
/**
* Sanitizes filename.
*
* @param string $filename File name.
*
* @return string
*/
private function esc_filename( $filename ) {
$m = null;
if ( preg_match( $this->plugins_regexp, $filename, $m ) ) {
return esc_html( $m[1] ) .
'<strong>' . esc_html( $m[2] ) . '</strong>' .
esc_html( $m[3] );
}
return esc_html( $filename );
}
}