addcslashes-to add a backslash escape character for some characters inside a string
Addslashes-the characters inside a string in a specified manner
bin2hex-converts binary data to hexadecimal representations
alias function for Chop-rtrim ()
chr-returns the ASCII code of a character
chunk_split-the string into small chunks by a certain character length
Convert_cyr_string-converts Cyrillic characters to other characters
convert_uudecode-Decrypt A string
convert_uuencode-Encrypt a string
count_chars-returns the character usage information inside a string
crc32-computes a crc32 polynomial of a string
crypt-One-way hash encryption function
echo-to display some content
Explode-converts a string into an array with a delimiter
fprintf-returns the data as required and writes directly to the document stream
Get_html_translation_table-returns HTML entities that can be converted
hebrev-Converts a Hebrew encoded string to a visual text
hebrevc-Converts a Hebrew encoded string to a visual text
Inverse function of the html_entity_decode-htmlentities () function to convert an HTML entity to a character
Htmlentities-converts some characters in a string to an HTML entity
Inverse function of the htmlspecialchars_decode-htmlspecialchars () function to convert an HTML entity to a character
Htmlspecialchars-converts some characters in a string to an HTML entity
implode-converts an array to a string with a specific delimiter
join-converts an array to a string, the alias of the Implode () function
levenshtein-calculates the difference size of two words