- 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()
Alias of rtrim()
- 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 how many times an ASCII character occurs within a string and returns the information
- crc32()
Calculates a 32-bit CRC for a string
- crypt()
One-way string encryption (hashing)
- echo()
Outputs 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 />
- 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()
- levenshtein()
Returns the Levenshtein distance between two strings
- localeconv()
Returns locale numeric and monetary formatting information
- ltrim()
Strips whitespace from the left side of a string
- md5_file()
Calculates the MD5 hash of a file
- md5()
Calculates the MD5 hash of a string
- metaphone()
Calculates the metaphone key of a string
- money_format()
Returns a string formatted as a currency string
- nl_langinfo()
Returns specific local information
- nl2br()
Inserts HTML line breaks in front of each newline in a string
- number_format()
Formats a number with grouped thousands
- ord()
Returns the ASCII value of the first character of a string
- parse_str()
Parses a query string into variables
- print()
Outputs a string
- printf()
Outputs a formatted string
- quoted_printable_decode()
Decodes a quoted-printable string
- quotemeta()
Quotes meta characters
- rtrim()
Strips whitespace from the right side of a string
- setlocale()
Sets locale information
- sha1_file()
Calculates the SHA-1 hash of a file
- sha1()
Calculates the SHA-1 hash of a string
- similar_text()
Calculates the similarity between two strings
- soundex()
Calculates the soundex key of a string
- sprintf()
Writes a formatted string to a variable
- sscanf()
Parses input from a string according to a format
- str_ireplace()
Replaces some characters in a string (case-insensitive)
- str_pad()
Pads a string to a new length
- str_repeat()
Repeats a string a specified number of times
- str_replace()
Replaces some characters in a string (case-sensitive)
- str_rot13()
Performs the ROT13 encoding on a string
- str_shuffle()
Randomly shuffles all characters in a string
- str_split()
Splits a string into an array
- str_word_count()
Count the number of words in a string
- strcasecmp()
Compares two strings (case-insensitive)
- strchr()
Finds the first occurrence of a string inside another string (alias of strstr())
- strcmp()
Compares two strings (case-sensitive)
- strcoll()
Locale based string comparison
- strcspn()
Returns the number of characters found in a string before any part of some specified characters are found
- strip_tags()
Strips HTML and PHP tags from a string
- stripcslashes()
Unquotes a string quoted with addcslashes()
- stripos()
Returns the position of the first occurrence of a string inside another string (case-insensitive)
- stripslashes()
Unquotes a string quoted with addslashes()
- stristr()
Finds the first occurrence of a string inside another string (case-insensitive)
- strlen()
Returns the length of a string
- strnatcasecmp()
Compares two strings using a
- strnatcmp()
Compares two strings using a
- strncasecmp()
String comparison of the first n characters (case-insensitive)
- strncmp()
String comparison of the first n characters (case-sensitive)
- strpbrk()
Searches a string for any of a set of characters
- strpos()
Returns the position of the first occurrence of a string inside another string (case-sensitive)
- strrchr()
Finds the last occurrence of a string inside another string
- strrev()
Reverses a string
- strripos()
Finds the position of the last occurrence of a string inside another string (case-insensitive)
- strrpos()
Finds the position of the last occurrence of a string inside another string (case-sensitive)
- strspn()
Returns the number of characters found in a string that contains only characters from a specified charlist
- strstr()
Finds the first occurrence of a string inside another string (case-sensitive)
- strtok()
Splits a string into smaller strings
- strtolower()
Converts a string to lowercase letters
- strtoupper()
Converts a string to uppercase letters
- strtr()
Translates certain characters in a string
- substr_compare()
Compares two strings from a specified start position (binary safe and optionally case-sensitive)
- substr_count()
Counts the number of times a substring occurs in a string
- substr_replace()
Replaces a part of a string with another string
- substr()
Returns a part of a string
- trim()
Strips whitespace from both sides of a string
- ucfirst()
Converts the first character of a string to uppercase
- ucwords()
Converts the first character of each word in a string to uppercase
- vfprintf()
Writes a formatted string to a specified output stream
- vprintf()
Outputs a formatted string
- vsprintf()
Writes a formatted string to a variable
- wordwrap()
Wraps a string to a given number of characters