addcslashes | PHP 4.0
string addcslashes(string str, string charlist) |
Escapes all characters mentioned in charlist with backslashes, creating octal representations if asked to backslash characters with their 8th bit set or with an ASCII value greater than 32 (except '\n' , '\r' , '\t', etc.).

addslashes | PHP 3.0
string addslashes(string str) |
Escapes single quotes, double quotes, and backslash characters in a string with backslashes.

bin2hex | PHP 3.0.9
string bin2hex(string data) |
Converts the binary representation of data to hexadecimal.

chr | PHP 3.0
string chr(int ascii) |
Converts ASCII code to a character.

chunk_split | PHP 3.0.6
string chunk_split(string str[, int chunklen[, string ending]]) |
Returns split line.

count_chars | PHP 4.0
mixed count_chars(string input[, int mode]) |
Returns information about what characters are used in input.

crc32 | PHP 4.0.1
string crc32(string str) |
Calculates the crc32 polynomial of a string.

crypt | PHP 3.0
string crypt(string str[, string salt]) |
Encrypts a string.

echo | PHP 3.0
echo string arg1[, string argn...] |
Outputs one or more strings.

explode | PHP 3.0
array explode(string separator, string str[, int limit]) |
Splits a string on string separator and returns an array of components.

get_html_translation_table | PHP 4.0
array get_html_translation_table([int table[, int quote_style]]) |
Returns the internal translation table used by htmlspecialchars() and htmlentities().

get_meta_tags | PHP 3.0.4
array get_meta_tags(string filename[, bool use_include_path]) |
Extracts all meta tag content attributes from a file and returns an array.

hebrev | PHP 3.0
string hebrev(string str[, int max_chars_per_line]) |
Converts logical Hebrew text to visual text.

hebrevc | PHP 3.0
string hebrevc(string str[, int max_chars_per_line]) |
Converts logical Hebrew text to visual text with newline conversion.

html_entity_decode | PHP 4.3.0
string html_entity_decode(string string[, int quote_style][, string charset]) |
Converts all HTML entities to their applicable characters.

htmlentities | PHP 3.0
string htmlentities(string string[, int quote_style][, string charset]) |
Converts all applicable characters to HTML entities.

htmlspecialchars | PHP 3.0
string htmlspecialchars(string string[, int quote_style][, string charset]) |
Converts special characters to HTML entities.

implode | PHP 3.0
string implode(array src, string glue) |
Joins array elements placing glue string between items and returns one string.

join | PHP 3.0
string join(array src, string glue) |
An alias for implode().

levenshtein | PHP 3.0.1.7
int levenshtein(string str1, string str2) |
Calculates Levenshtein distance between two strings.

localeconv | PHP 4.0.5
array localeconv(void) |
Returns numeric formatting information based on the current locale.

ltrim | PHP 3.0
string ltrim(string str[, string character_mask]) |
Strips whitespace from the beginning of a string.

md5_file | PHP 4.1.0
string md5_file(string filename) |
Calculates the md5 hash of given filename.

md5 | PHP 3.0
string md5(string str) |
Calculates the md5 hash of a string.

metaphone | PHP 4.0
string metaphone(string text, int phones) |
Breaks English phrases down into their phonemes.

nl_langinfo | PHP 4.1.0
string nl_langinfo(int item) |
Queries language and locale information.

nl2br | PHP 3.0
string nl2br(string str) |
Converts newlines to HTML line breaks.

number_format | PHP 3.0
string number_format(float number[, int num_decimal_places[, string dec_seperator, string thousands_seperator]]) |
Formats a number with grouped thousands.

ord | PHP 3.0
int ord(string character) |
Returns ASCII value of character.

parse_str | PHP 3.0
void parse_str(string encoded_string[, array result]) |
Parses GET/POST/Cookie data and sets global variables.

print | PHP 3.0
bool print(string arg) |
Outputs a string.

printf | PHP 3.0
int printf(string format[, mixed arg1[, mixed ...]]) |
Outputs a formatted string.

quoted_printable_decode | PHP 3.0.6
string quoted_printable_decode(string str) |
Converts a quoted-printable string to an 8 bit string.

quotemeta | PHP 3.0
string quotemeta(string str) |
Quotes meta characters.

rtrim | PHP 3.0
string rtrim(string str[, string character_mask]) |
Removes trailing whitespace.

setlocale | PHP 3.0
string setlocale(mixed category, string locale) |
Sets locale information.

sha1_file | PHP 4.3.0
string sha1_file(string filename) |
Calculates the sha1 hash of given filename.

sha1 | PHP 4.3.0
string sha1(string str) |
Calculates the sha1 hash of a string.

similar_text | PHP 3.0.7
int similar_text(string str1, string str2[, float percent]) |
Calculates the similarity between two strings.

soundex | PHP 3.0
string soundex(string str) |
Calculates the soundex key of a string.

sprintf | PHP 3.0
string sprintf(string format[, mixed arg1[, mixed ...]]) |
Returns a formatted string.

sscanf | PHP 4.0.1
mixed sscanf(string str, string format[, string ...]) |
Implements an ANSI C compatible sscanf().

str_pad | PHP 4.0.1
string str_pad(string input, int pad_length[, string pad_string[, int pad_type]]) |
Returns input string padded on the left or right to specified length with pad_string.

str_repeat | PHP 4.0
string str_repeat(string input, int mult) |
Returns the input string repeated mult times.

str_replace | PHP 3.0.6
mixed str_replace(mixed search, mixed replace, mixed subject[, bool boyer]) |
Replaces all occurrences of search in subject with replace.

str_rot13 | PHP 4.1.0
string str_rot13(string str) |
Performs the rot13 transform on a string.

strcasecmp | PHP 3.0.2
int strcasecmp(string str1, string str2) |
Performs a binary safe case-insensitive string comparison.

strchr | PHP 3.0
string strchr(string haystack, string needle) |
An alias for strstr().

strcmp | PHP 3.0
int strcmp(string str1, string str2) |
Performs a binary safe string comparison.

strcoll | PHP 4.0.5
int strcoll(string str1, string str2) |
Compares two strings using the current locale.

strcspn | PHP 3.0.3
int strcspn(string str, string mask) |
Finds length of initial segment consisting entirely of characters not found in mask.

strip_tags | PHP 3.0.8
string strip_tags(string str[, string allowable_tags]) |
Strips HTML and PHP tags from a string.

stripcslashes | PHP 4.0
string stripcslashes(string str) |
Strips backslashes from a string; uses C-style conventions.

stripslashes | PHP 3.0
string stripslashes(string str) |
Strips backslashes from a string.

stristr | PHP 3.0.6
string stristr(string haystack, string needle) |
Finds first occurrence of a string within another (case-insensitive).

strlen | PHP 3.0
int strlen(string str) |
Gets string length.

strnatcasecmp | PHP 4.0
int strnatcasecmp(string s1, string s2) |
Returns the result of case-insensitive string comparison using natural algorithm.

strnatcmp | PHP 4.0
int strnatcmp(string s1, string s2) |
Returns the result of string comparison using natural algorithm.

strncasecmp | PHP 4.0.2
int strncasecmp(string str1, string str2, int len) |
Performs a binary safe string comparison of len characters.

strncmp | PHP 4.0
int strncmp(string str1, string str2, int len) |
Performs a binary safe string comparison of len characters.

strpos | PHP 3.0
int strpos(string haystack, string needle[, int offset]) |
Finds position of first occurrence of a string within another.

strrchr | PHP 3.0
string strrchr(string haystack, string needle) |
Finds the last occurrence of a character in a string within another.

strrev | PHP 3.0
string strrev(string str) |
Reverses a string.

strrpos | PHP 3.0
int strrpos(string haystack, string needle) |
Finds position of last occurrence of a character in a string within another.

strspn | PHP 3.0.3
int strspn(string str, string mask) |
Finds length of initial segment consisting entirely of characters found in mask.

strstr | PHP 3.0
string strstr(string haystack, string needle) |
Finds first occurrence of a string within another.

strtok | PHP 3.0
string strtok([string str,] string token) |
Tokenizes a string.

strtolower | PHP 3.0
string strtolower(string str) |
Makes a string lowercase.

strtoupper | PHP 3.0
string strtoupper(string str) |
Makes a string uppercase.

strtr | PHP 3.0
string strtr(string str, string from, string to) |
Translates characters in str using given translation tables.

substr_count | PHP 4.0
int substr_count(string haystack, string needle) |
Returns the number of times a substring occurs in the string.

substr_replace | PHP 4.0
string substr_replace(string str, string repl, int start[, int length]) |
Replaces part of a string with another string.

substr | PHP 3.0
string substr(string str, int start[, int length]) |
Returns part of a string.

trim | PHP 3.0
string trim(string str[, string character_mask]) |
Strips whitespace from the beginning and end of a string.

ucfirst | PHP 3.0
string ucfirst(string str) |
Makes a string's first character uppercase.

ucwords | PHP 3.0.3
string ucwords(string str) |
Uppercases the first character of every word in a string.

vprintf | PHP 4.1.0
int vprintf(string format, array args) |
Outputs a formatted string.

vsprintf | PHP 4.1.0
string vsprintf(string format, array args) |
Returns a formatted string.

wordwrap | PHP 4.0.2
string wordwrap(string str[, int width[, string break[, int cut]]]) |
Wraps buffer to selected number of characters using string break character.