PHP Warning: wp-cache-base.php on line 16

Resolved ngrudev
(@ngrudev)

9 years, 7 months ago
Hi,

After I disabled wordpress cron jobs and transfer them into the CPanel with 1 hour interval, every time the cpanel cron job ran, this error is written in debug.log

[03-Nov-2016 04:00:03 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16
[03-Nov-2016 05:00:04 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16
[03-Nov-2016 06:00:03 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16
[03-Nov-2016 07:00:03 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16
[03-Nov-2016 08:00:03 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16
[03-Nov-2016 09:00:04 UTC] PHP Warning: strpos(): Offset not contained in string in /home/lugabglj/public_html/bg_wp/wp-content/plugins/wp-super-cache/wp-cache-base.php on line 16

Is this a bug and how to fix it? Thank you.

Niki
- This topic was modified 9 years, 7 months ago by ngrudev.

Viewing 4 replies - 1 through 4 (of 4 total)

doug wilson
(@dgswilson)

9 years, 7 months ago

You could reset all that and use CometCache. I finally gave up trying to get SC running on one server where I have a tube site.
Thread Starter ngrudev
(@ngrudev)

9 years, 7 months ago
I like WP SC and don’t want to change it only for one stupid notice in debug.log.

The code in wp-cache-base.php is as follows:
```
<?php
$known_headers = array("Last-Modified", "Expires", "Content-Type", "Content-type", "X-Pingback", "ETag", "Cache-Control", "Pragma");

$WPSC_HTTP_HOST = htmlentities( $_SERVER[ 'HTTP_HOST' ] );

// We want to be able to identify each blog in a WordPress MU install
$blogcacheid = '';
if ( defined( 'VHOST' ) || ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) == true ) ) {
	$blogcacheid = 'blog'; // main blog
	if( defined( 'SUBDOMAIN_INSTALL' ) && constant( 'SUBDOMAIN_INSTALL' ) == true ) {
		$blogcacheid = $WPSC_HTTP_HOST;
	} else {
		if ( isset( $base ) == false )
			$base = '';
		$request_uri = str_replace( '..', '', preg_replace('/[ <>\'\"\r\n\t]/', '', $_SERVER['REQUEST_URI'] ) );
		if( strpos( $request_uri, '/', 1 ) ) {
			if( $base == '/' ) {
				$blogcacheid = substr( $request_uri, 1, strpos( $request_uri, '/', 1 ) - 1 );
			} else {
				$blogcacheid = str_replace( $base, '', $request_uri );
				if ( $blogcacheid != '' )
					$blogcacheid = substr( $blogcacheid, 0, strpos( $blogcacheid, '/', 1 ) );
			}
			if ( '/' == substr($blogcacheid, -1))
				$blogcacheid = substr($blogcacheid, 0, -1);
		}
		$blogcacheid = str_replace( '/', '', $blogcacheid );
	}
}

?>
```
The “bad” line is:
```
		if( strpos( $request_uri, '/', 1 ) ) {
```
Probably this line is not written perfectly corect.
Thread Starter ngrudev
(@ngrudev)

9 years, 7 months ago

I resolved it. It wasn’t problem with Wp Super Cache. Because I’ve stopped WP cron jobs and transfer them in CPANEL cron job, I am starting the cron through manual execution file. For some reasons because of this approach $_SERVER[“REQUEST_URI”] returns blank, which is the problem.

I resolved it with manually set of $_SERVER[“REQUEST_URI”] to “/”

$_SERVER[“REQUEST_URI”] = array_key_exists( ‘REQUEST_URI’, $_SERVER) ? $_SERVER[‘REQUEST_URI’] : “/”;

Hope this will help those, who are disabled WP cron jobs, and make it in CPANEL.

stevenjay2014
(@stevenjay2014)

9 years, 4 months ago

$_SERVER[“REQUEST_URI”] = array_key_exists( ‘REQUEST_URI’, $_SERVER) ? $_SERVER[‘REQUEST_URI’] : “/”;

Did You Add this to the bottom of the wp-cache-base.php ?

Viewing 4 replies - 1 through 4 (of 4 total)

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