[PHP] How to fix the issue where Word line break codes like [OBJ] appear in WordPress

Try JSON encoding

For the state where it becomes "Announcement Title" and

"Announcement Title[OBJ]",

I tried JSON encoding each.

$post_title = get_the_title();
var_dump(json_encode($post_title));

The result is

Clearly, "\ufffc" is appended to the end.

Delete if the end matches

I'll try JSON encoding it and deleting it if the end matches "\ufffc".

This is how I'll do it.

If I were to JSON encode and decode everything without question, other problems might arise,

so I'll only JSON encode and decode if it matches the end.

Before

//Get title and remove HTML
$post_title = strip_tags(get_the_title());
//Output
echo '<p>'.$post_title.'</p>';

After

//Get title and remove HTML
$post_title = strip_tags(get_the_title());
//When the end of the json_encoded string matches "\ufffc"
if(preg_match('/\\\ufffc"?\'?$/', json_encode($post_title)) === 1){
	$post_title = preg_replace('/\\\ufffc("?\'?)$/', '$1', json_encode($post_title));
	$post_title = json_decode($post_title);
}
//Output
echo '<p>'.$post_title.'</p>';

If you know a better way!

Or if it didn't work in my environment! Please let me know in the comments.

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