dbFields = array(
'defaultImage' => '',
'twitterSite' => '',
'twitterCreator' => ''
);
}
public function form()
{
global $L;
$html = '';
$html .= $this->description();
$html .= '
';
$html .= '';
$html .= '
';
$html .= '
';
$html .= '
' . $L->get('minimum-image-dimensions') . ' ' . $L->get('image-must-be-less') . ' ' . $L->get('formats-are-supported') . '
';
$html .= '
';
$html .= '';
$html .= '';
$html .= '
';
$html .= '';
$html .= '';
$html .= '';
$html .= '
';
return $html;
}
public function siteHead()
{
global $url;
global $site;
global $WHERE_AM_I;
global $content;
global $page;
$data = array(
'card' => 'summary_large_image',
'twitterSite' => $this->getValue('twitterSite'),
'twitterCreator' => $this->getValue('twitterCreator'),
'title' => $site->title(),
'description' => $site->description(),
'image' => ''
);
switch( $WHERE_AM_I ) {
// The user filter by page
case 'page':
$data['title'] = $page->title();
$data['description'] = $page->description();
$data['image'] = $page->coverImage( $absolute = true );
$pageContent = $page->content();
break;
// The user is in the homepage
default:
$pageContent = '';
// The image it's from the first page
if(isset($content[0]) ) {
$data['image'] = $content[0]->coverImage( $absolute = true );
$pageContent = $content[0]->content();
}
break;
}
$html = PHP_EOL.''.PHP_EOL;
$html .= ''.PHP_EOL;
$html .= ''.PHP_EOL;
$html .= ''.PHP_EOL;
$html .= ''.PHP_EOL;
// If the page doesn't have a description try to get excerpt from content
if( empty( $data['description'] ) )
{
$data['description'] = $this->content_excerpt( $pageContent , 150, '...');
}
$html .= ''.PHP_EOL;
// If the page doesn't have a coverImage try to get an image from the HTML content
if( empty( $data['image'] ) ) {
// Get the image from the content
$src = DOM::getFirstImage( $pageContent );
if ( $src !== false ) {
$data['image'] = $src;
} else {
if ( Text::isNotEmpty( $this->getValue('defaultImage') ) ) {
$data['image'] = $this->getValue('defaultImage');
}
}
}
$html .= ''.PHP_EOL;
$html .= ''.PHP_EOL.PHP_EOL;
unset( $pageContent );
unset( $data );
return $html;
}
/** Return excerpt from full content of post
*
* @param string $str Post content
* @param int $n Number of characters
* @param string $endChar End char append to after excerpt (default "...")
* @return string
*/
private function content_excerpt( string $str, int $n = 500, string $endChar = '…' ): string
{
$str = strip_tags( $str );
if ( mb_strlen( $str ) < $n )
{
return $str;
}
$str = preg_replace('/ {2,}/', ' ', str_replace(["\r", "\n", "\t", "\x0B", "\x0C"], ' ', $str));
if ( mb_strlen( $str ) <= $n )
{
return $str;
}
$out = '';
foreach ( explode( ' ', trim( $str ) ) as $val )
{
$out .= $val . ' ';
if ( mb_strlen( $out ) >= $n )
{
$out = trim( $out );
break;
}
}
return ( mb_strlen( $out ) === mb_strlen( $str ) ) ? $out : $out . $endChar;
}
}