Quote string with slashes.

Encodes data with MIME base64

Converts binary data into hexadecimal representation

parse cgidata

Return a specific character

Split a string into smaller chunks.

Return information about characters used in a string.

Calculates the crc32 polynomial of a string.

This function is used to use any characters as quotes in string

This function is used to apply a filter to a string.

Split a string by string

Returns the extension of a file.

This function is used to check is a value is set within a list with a delimiter between each element.

This function returns the number of match regular expression

This function returns the position of the last match regular expression

This function return the value of a named parameter in a regular expression.

Decodes a hexadecimally encoded binary string.

Compute HMAC

Convert html text to plain text.

Convert all applicable characters to HTML entities.

Convert special characters to HTML entities.

Convert HTML entities to special characters

Convert all HTML entities to special characters

Join array elements with a string.

This function is used to verify that the argument string contain only alphabetic and digit character.

Checks for an alphabetic character.

Checks whether c is a 7-bit unsigned char value that fits into the ASCII character set.

Test for whitespace wide character.

Checks for an control character.

Checks for a digit (0 through 9).

Checks if the argument is a float number.

Checks whether c is a character with graphical representation.

Checks for a digit (0 through 9) that may be preceed by + or -.

Checks for a lower-case character.

Checks for any printable character including space.

Checks for any printable character which is not a space or an alphanumeric character.

This function is used to check if a value is contained in a list with a delimiter between each element.

Checks whether c is a white-space character.

Checks for a upper-case character.

This function is used to verify that the argument string contain only alphabetic and digit character.

Checks for an alphabetic character.

Test for whitespace wide character.

Checks for an control character.

Checks for a digit (0 through 9).

Checks whether c is a character with graphical representation.

Checks for a lower-case character.

Checks whether c is a character with graphical representation.

Checks for any printable character which is not a space or an alphanumeric character.

Checks whether c is a white-space character.

Checks for a upper-case character.

Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F.

Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F.

This function returns the lowercase value of a string.

Returns lc value of the string's first character.

Returns the length of an expression

Return the distance between 2 strings.

Eliminates whitespace from the beginning of a string.

Match a sting with a regular expression

Formats a number as a currency string.

Inserts HTML line breaks before all newlines in a string

Formats a number as a regional number string

Return Unicode value of character.

Parse strings.

This function is used to parse a query string.

Output a string.

Print formatted text.

Quote meta characters.

Perform a regular expression substitute.

Locate character in string (last occurence).

Strip whitespace (or other characters) from the end of a string.

Stores array to a file.

Export data to xls (Excel format)

Strip whitespace (or other characters) from the end of a string.

This function is used to split a string.

This function is used to split a string with a regular expression.

Case-insensitive string comparison.

Find length of initial segment not matching mask.

Case insensitive string comparisons using a natural order algorithm.

Functions for string manipulation

Take an expression and return a string.

Take an expression and return a string.

Find the position of the first occurrence of a case-insensitive substring in a string.

Un-quotes a quoted string

Strip HTML and extenso tags from a string.

String comparisons using a natural order algorithm.

Case-insensitive string comparison of the first n characters.

Comparison of the first n characters.

Find the position of the first occurrence of a substring in a string.

Reverse a string

Find the position of the last occurrence of a case-insensitive substring in a string.

Find the position of the last occurrence of a substring in a string.

return a substring from the original string.

Translate characters or replace substrings.

Translate substrings.

Translate substrings.

Parse a CSV string into an array.

Replace all occurrences of the search string with the replacement string (case insensitive).

Pad a string to a certain length with another string.

Repeat a string

Replace all occurrences of the search string with the replacement string.

Randomly shuffles a string

Convert a string to an array.

Return part of a string.

Strip whitespace (or other characters) from the end of a string.

Strip whitespace (or other characters) from the beginning and end of a string.

This function return the type of a variable.

This function return the uppercase value of a string.

Make a string's first character uppercase.

Uppercase the first character of each word in a string.

Take a string and return an expression.

Take a string and return an expression.

Parse an uri and return its components.

Decode a string.

Encode a string.

Create a new unique UUID value

Return the time when a uuid was created.

Wraps a string to a given number of characters.

Returns a substring from the original string.