if singular post code example
Example: is_single
// Run code only for Single post page
if ( is_single() && 'post' == get_post_type() ) {
}
//if it's not a specific post-type
if ( is_single() && 'portfolio' != get_post_type() ) {
}
// Run code only for Single post page
if ( is_single() && 'post' == get_post_type() ) {
}
//if it's not a specific post-type
if ( is_single() && 'portfolio' != get_post_type() ) {
}