substr Return part of a string &reftitle.description; stringsubstr stringstring intstart intlength Returns the portion of string specified by the start and length parameters. &reftitle.parameters; string The input string. start If start is non-negative, the returned string will start at the start'th position in string, counting from zero. For instance, in the string 'abcdef', the character at position 0 is 'a', the character at position 2 is 'c', and so forth. If start is negative, the returned string will start at the start'th character from the end of string. ]]> length If length is given and is positive, the string returned will contain at most length characters beginning from start (depending on the length of string). If string is less than or equal to start characters long, &false; will be returned. If length is given and is negative, then that many characters will be omitted from the end of string (after the start position has been calculated when a start is negative). If start denotes a position beyond this truncation, an empty string will be returned. ]]> &reftitle.returnvalues; Returns the extracted part of string. &reftitle.examples; ]]> &reftitle.seealso; strrchr substr_replace preg_match trim mb_substr wordwrap