Build an Open Graph <meta> tag. The content value is HTML-attribute- escaped to prevent injection via quotes or angle brackets.
<meta>
content
OG property (e.g. og:title)
og:title
Property value (will be escaped)
Complete <meta property="…"> tag string
<meta property="…">
Build an Open Graph
<meta>tag. Thecontentvalue is HTML-attribute- escaped to prevent injection via quotes or angle brackets.