How to Use String Functions in PHP

addcslashes() Returns a string with backslashes in front of the specified characters

addslashes() Returns a string with backslashes in front of predefined characters

bin2hex() Converts a string of ASCII characters to hexadecimal values

chop() Removes whitespace or other characters from the right end of a string

chr() Returns a character from a specified ASCII value

chunk_split() Splits a string into a series of smaller parts

convert_cyr_string() Converts a string from one Cyrillic character-set to another

convert_uudecode() Decodes a uuencoded string

convert_uuencode() Encodes a string using the uuencode algorithm

count_chars() Returns information about characters used in a string

crc32() Calculates a 32-bit CRC for a string

crypt() One-way string hashing

echo() Outputs one or more strings

explode() Breaks a string into an array

fprintf() Writes a formatted string to a specified output stream

get_html_translation_table() Returns the translation table used by htmlspecialchars() and htmlentities()

hebrev() Converts Hebrew text to visual text

hebrevc() Converts Hebrew text to visual text and new lines (\n) into <br>

hex2bin() Converts a string of hexadecimal values to ASCII characters

html_entity_decode() Converts HTML entities to characters

htmlentities() Converts characters to HTML entities

htmlspecialchars_decode() Converts some predefined HTML entities to characters

htmlspecialchars() Converts some predefined characters to HTML entities

implode() Returns a string from the elements of an array

join() Alias of implode()

lcfirst() Converts the first character of a string to lowercase

levenshtein() Returns the Levenshtein distance between two strings