+global\SEOToolboxControllerExtension::parseField()

Complexity

Conditions	19
Paths	630

Size

Total Lines	68
Code Lines	39

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    private function parseField( DOMDocument $html, $field ){
        $this->owner->extend( 'beforeParseField', $html, $field );

        // Remove Tags from Content we wown't be using
        $excluded = array();
        foreach( $this->excludeTags as $eTag ){
            while( $tags = $html->getElementsByTagName( $eTag ) ){
                if( !$tags->length ) break 1;
                $tag	= $tags->item(0);
                $value  = $html->saveHTML( $tag );
                $key    = (string) crc32( $value );

                // Convert back children nodes of this node if they were already hashed
                $excluded[$key] = str_replace( array_keys( $excluded ), array_values( $excluded ), $value );

                $tag->parentNode->replaceChild( $html->createTextNode( $key ), $tag );
            }
        }

        $body    = (string)$html->saveHTML( $html->getElementsByTagName('body')->item(0) );
        $content = preg_replace( array( '/\<body\>/is', '/\<\/body\>/is' ), '', $body, 1 );

        // Create the links
        $links = AutomatedLink::get()->sort('Priority');
        foreach( $links as $link ){
            // Check if self-linking is allowed and if current pagetype is allowed
            if( !$link->canBeAdded( $this->owner, $field ) ) continue;

            $max    = (int) ( $link->MaxLinksPerPage > 0 ) ? $link->MaxLinksPerPage : PHP_INT_MAX;
            $escape = (string) preg_quote( $link->Phrase, '/' );
            $regex  = (string) ( $link->CaseSensitive ) ? "/(\b{$escape}\b)/" : "/(\b{$escape}\b)/i";

            // Count the matches
            preg_match_all( $regex, $content, $count );
            $count = ( is_array( $count ) && isset( $count[0] ) ) ? count( $count[0] ) : 0;
            if( $count < 1 ) continue;

            if( isset( $this->maxLinksPerPage[ $link->ID ] ) )
                $max -= $this->maxLinksPerPage[ $link->ID ];
            else
                $this->maxLinksPerPage[ $link->ID ] = 0;

            for( $x = 0; $x < $count; $x++ ){
                // Stop adding links if we reached the link or page limit
                if( $x >= $max || $this->linkCount >= $this->maxLinks ) break;

                // Check if there is anything else to replace else stop
                preg_match( $regex, $content, $match );
                if( !is_array( $match ) || !count( $match ) ) break;

                if( !$html = (string) $link->getHTML( $match[0] ) ) continue;
                $key              = (string) crc32( $html );
                $excluded[ $key ] = (string) $html;

                $content = preg_replace( $regex, $key, $content, 1 );
                $this->linkCount++;
                $this->maxLinksPerPage[ $link->ID ]++;
            }

            // Stop Adding links if we reached the page limit
            if( $this->linkCount >= $this->maxLinks ) break;
        }

        // Re-add the excluded Tags
        $content = str_replace( array_keys( $excluded ), array_values( $excluded ), $content );

        return $content;
    }
}