code/SEO_Metadata_SiteTree_DataExtension.php
public function updateMetadata(SiteConfig $config, SiteTree $owner, &$metadata)
    {
        // metadata
        $metadata .= $owner->MarkupComment('Metadata');
        // charset
        if ($config->CharsetEnabled()) {
            $metadata .= '<meta charset="' . $config->Charset() . '" />' . PHP_EOL;
        }
        // canonical
        if ($config->CanonicalEnabled()) {
            $metadata .= $owner->MarkupLink('canonical', $owner->AbsoluteLink());
        }
        // title
        if ($config->TitleEnabled()) {
            $metadata .= '<title>' . $owner->encodeContent($owner->GenerateTitle(), $config->Charset()) . '</title>' . PHP_EOL;
        }
        // description
        if ($description = $owner->GenerateDescription()) {
            $metadata .= $owner->MarkupMeta('description', $description, $config->Charset());
        }
        // extra metadata
        if ($config->ExtraMetaEnabled()) {
            $metadata .= $owner->MarkupComment('Extra Metadata');
            $metadata .= $owner->GenerateExtraMeta();
        }
    }
public function updateMetadata(SiteConfig $config, SiteTree $owner, &$metadata)
    {
        // metadata
        $metadata .= $owner->MarkupComment('Metadata');
        // charset
        if ($config->CharsetEnabled()) {
            $metadata .= '<meta charset="' . $config->Charset() . '" />' . PHP_EOL;
        }
        // canonical
        if ($config->CanonicalEnabled()) {
            $metadata .= $owner->MarkupLink('canonical', $owner->AbsoluteLink());
        }
        // title
        if ($config->TitleEnabled()) {
            $metadata .= '<title>' . $owner->encodeContent($owner->GenerateTitle(), $config->Charset()) . '</title>' . PHP_EOL;
        }
        // description
        if ($description = $owner->GenerateDescription()) {
            $metadata .= $owner->MarkupMeta('description', $description, $config->Charset());
        }
        // extra metadata
        if ($config->ExtraMetaEnabled()) {
            $metadata .= $owner->MarkupComment('Extra Metadata');
            $metadata .= $owner->GenerateExtraMeta();
        }
    }
public function updateMetadata ( SiteConfig $ config , SiteTree $ owner , & $ metadata ) { // metadata $ metadata .= $ owner -> MarkupComment ( 'Metadata' ) ; // charset if ( $ config -> CharsetEnabled ( ) ) { $ metadata .= '<meta charset="' . $ config -> Charset ( ) . '" />' . PHP_EOL ; } // canonical if ( $ config -> CanonicalEnabled ( ) ) { $ metadata .= $ owner -> MarkupLink ( 'canonical' , $ owner -> AbsoluteLink ( ) ) ; } // title if ( $ config -> TitleEnabled ( ) ) { $ metadata .= '<title>' . $ owner -> encodeContent ( $ owner -> GenerateTitle ( ) , $ config -> Charset ( ) ) . '</title>' . PHP_EOL ; } // description if ( $ description = $ owner -> GenerateDescription ( ) ) { $ metadata .= $ owner -> MarkupMeta ( 'description' , $ description , $ config -> Charset ( ) ) ; } // extra metadata if ( $ config -> ExtraMetaEnabled ( ) ) { $ metadata .= $ owner -> MarkupComment ( 'Extra Metadata' ) ; $ metadata .= $ owner -> GenerateExtraMeta ( ) ; } }
Updates metadata fields.

@param SiteConfig $config
@param SiteTree $owner
@param string $metadata

@return void
Updates metadata fields .