Text Formatting

Trim leading and trailing whitespace

my_string = trim($my_string);

Capitalise 1st letter of first word

$loaded_message = strtolower($loaded_message);
$loaded_message = ucfirst($loaded_message);

Capitalise 1st letter of every word (but leave capitalised words like “ABC” as they are)

my_string = ucwords($my_string);

String to lowercase

my_string = strtolower($my_string);

String to uppercase

my_string = strtoupper($my_string);

Convert \n character to <br> when displaying as normal php text

  $UserNotes = nl2br($UserNotes);