| addslashes(string)
| String | Adds escape slashes to the string. |
| bin2hex(string)
| String | Converts the binary string into a hexadecimal string. |
| chop(string)
| String | Removes trailing whitespace. |
| chr(ascii)
| String | Returns the character for the ASCII code. |
| chunk_split(string, [chunk_len], [end])
| String | Splits the string into smaller chunks by inserting the character end at every specified chunk_len. |
| convert_cyr_string(string, from, to)
| String | Converts the string from one Cyrillic set to another. |
| crypt(string, [salt])
| String | DES-encrypts the string using the salt value. |
| echo(string)
| void | Outputs a string to the screen. |
| explode(separator, string)
| Array | Splits the string into an array. |
| flush()
| void | Flushes the output buffer. |
| get_meta_tags(filename, [include_path])
| Array | Gets an array of all the META tags from the specified file. |
| htmlentities(string)
| String | Converts the string into an HTML entity. |
| htmlspecialchars(string)
| String | Converts any HTML special characters in the string into a HTML entitity. |
| implode(delimiter, array)
| String | Does the exact opposite of the explode function. It joins the array into a single string using the specified delimiter. |
| join(delimiter, array)
| String | Joins the array into a single string using the specified delimiter. |
| ltrim(string)
| String | Strips the white space from the beginning of the string. |
| md5(string)
| String | Calculates the MD5 hash of the specified string. |
| nl2br(string)
| String | Inserts the <BR> tag before all the line breaks in the string. |
| ord(string)
| int | Returns the specified ASCII value of the first letter of the string. |
| parse_str(string)
| void | Parses the string into variables like it was a query string. |
| print(string)
| Integer | Prints the specified string. |
| printf(string, [arg])
| void | Outputs a formatted string. |
| quoted_printable_decode(string)
| String | Converts a quoted printable string to a 8-bit string. |
| QuoteMeta(string)
| String | Escapes meta characters in the string. |
| rawurldecode(string)
| String | Decodes a URL-encoded string. |
| rawurlencode(string)
| String | Encodes a string to a URL-encoded string. |
| setlocale(category, locale)
| String | Sets the locale information for functions in the specified category. |
| similar_text(string1, string2, [percent])
| int | Calculates the similarity between string1 and string2. |
| soundex(string)
| String | Calculates the soundex key for the string. |
| sprintf(format, [args]) string)
| String | Returns a formatted string. |
| str_replace(pattern, replacement,
| String | Replaces all occurrences of pattern with replacement in string. |
| strchr(string1, string2)
| String | Finds the first occurrence of string2 in string1. |
| strcmp(string1, string2)
| int | Compares string1 against string2. |
| strcpsn(string1, string2)
| int | Returns the number of characters in the beginning of string1that do not match the beginning of the characters in string2. |
| strip_tags(string)
| String | Strips all the HTML and PHP tags from the specified string. |
| stripslashes(string)
| String | Strips all escape character slashes from the string. |
| strlen(string)
| int | Returns the length in characters of the string. |
| strpos(stirng1, string2)
| int | Finds the first occurrence of string2 in string1. |
| strrev(string)
| String | Returns the specified string in reverse order. |
| strrpos(string1, string2)
| int | Finds the last occurrence of string2 in string1. |
| strstr(string1, string2)
| String | Finds the first occurrence of string2 in string1. |
| strtok(sring1, string2)
| String | Tokenizes string1 into segments separated by string2. |
| strtolower(string)
| String | Converts all characters in the string to lowercase. |
| strtoupper(string)
| String | Converts all characters in the string to uppercase. |
| strtr(string, from, to)
| String | Replaces all occurrences of from in string with to. |
| substring(string, start, [length])
| String | Returns the characters in string from the specified start point. |
| ucfirst(string)
| String | Converts the first character of the string to uppercase. |
| ucwords(string)
| String | Converts the first character of each word to uppercase. |
