List of PHP string conversation functions

FUNCTION DESCRIPTION
the number_format() function The number_format() function formats a given number defined by arguments.
the strip_tags() function The strip_tags() function strips HTML and PHP tags from a string.
the substr_count() function The substr_count() function returns the number of how many occurences of a substring has been counted inside a string.
the trim() function The trim() function strips white spaces at the beginning and end of a string.
the ucfirst() function The ucfirst() function converts the first character of a string into an upper case.