Documentation

Horde_String
in package

Table of Contents

$_lowers  : array<string|int, mixed>
lower() cache.
$_uppers  : array<string|int, mixed>
upper() cache.
abbreviate()  : string
Return an abbreviated string, with characters in the middle of the excessively long string replaced by '...'.
common()  : string
Returns the common leading part of two strings.
convertCharset()  : mixed
Converts a string from one charset to another.
ipos()  : int
Returns the numeric position of the first case-insensitive occurrence of $needle in the $haystack string.
isAlpha()  : bool
Returns true if the every character in the parameter is an alphabetic character.
isLower()  : bool
Returns true if ever character in the parameter is a lowercase letter in the current locale.
isUpper()  : bool
Returns true if every character in the parameter is an uppercase letter in the current locale.
length()  : int
Returns the character (not byte) length of a string.
lower()  : string
Makes a string lowercase.
pad()  : string
Returns a string padded to a certain length with another string.
pos()  : int
Returns the numeric position of the first occurrence of $needle in the $haystack string.
regexMatch()  : array<string|int, mixed>
Performs a multibyte safe regex match search on the text provided.
ripos()  : int
Returns the numeric position of the last case-insensitive occurrence of $needle in the $haystack string.
rpos()  : int
Returns the numeric position of the last occurrence of $needle in the $haystack string.
substr()  : string
Returns part of a string.
trimUtf8Bom()  : string
Strip UTF-8 byte order mark (BOM) from string data.
truncate()  : string
Return a truncated string, suitable for notifications.
ucfirst()  : string
Returns a string with the first letter capitalized if it is alphabetic.
ucwords()  : string
Returns a string with the first letter of each word capitalized if it is alphabetic.
upper()  : string
Makes a string uppercase.
validUtf8()  : bool
Check to see if a string is valid UTF-8.
wordwrap()  : string
Wraps the text of a message.
wrap()  : string
Wraps the text of a message.
_convertCharset()  : string
Internal function used to do charset conversion.
_mbstringCharset()  : string
Workaround charsets that don't work with mbstring functions.
_pos()  : int
Perform string position searches.

Properties

$_lowers

lower() cache.

protected static array<string|int, mixed> $_lowers = array()

$_uppers

upper() cache.

protected static array<string|int, mixed> $_uppers = array()

Methods

abbreviate()

Return an abbreviated string, with characters in the middle of the excessively long string replaced by '...'.

public static abbreviate(string $text[, int $length = 20 ]) : string
Parameters
$text : string

The original string.

$length : int = 20

The length at which to abbreviate.

Return values
string —

The abbreviated string, if longer than $length.

common()

Returns the common leading part of two strings.

public static common(string $str1, string $str2) : string
Parameters
$str1 : string

A string.

$str2 : string

Another string.

Return values
string —

The start of $str1 and $str2 that is identical in both.

convertCharset()

Converts a string from one charset to another.

public static convertCharset(mixed $input, string $from, string $to[, bool $force = false ]) : mixed

Uses the iconv or the mbstring extensions. The original string is returned if conversion failed or none of the extensions were available.

Parameters
$input : mixed

The data to be converted. If $input is an an array, the array's values get converted recursively.

$from : string

The string's current charset.

$to : string

The charset to convert the string to.

$force : bool = false

Force conversion?

Return values
mixed —

The converted input data.

ipos()

Returns the numeric position of the first case-insensitive occurrence of $needle in the $haystack string.

public static ipos(string $haystack, string $needle, int $offset[, string $charset = 'UTF-8' ]) : int
Parameters
$haystack : string

The string to search through.

$needle : string

The string to search for.

$offset : int

Character in $haystack to start searching at.

$charset : string = 'UTF-8'

Charset of $needle.

Tags
since
2.5.0
Return values
int —

The position of first case-insensitive occurrence.

isAlpha()

Returns true if the every character in the parameter is an alphabetic character.

public static isAlpha(string $string, string $charset) : bool
Parameters
$string : string

The string to test.

$charset : string

The charset to use when testing the string.

Return values
bool —

True if the parameter was alphabetic only.

isLower()

Returns true if ever character in the parameter is a lowercase letter in the current locale.

public static isLower(string $string, string $charset) : bool
Parameters
$string : string

The string to test.

$charset : string

The charset to use when testing the string.

Return values
bool —

True if the parameter was lowercase.

isUpper()

Returns true if every character in the parameter is an uppercase letter in the current locale.

public static isUpper(string $string, string $charset) : bool
Parameters
$string : string

The string to test.

$charset : string

The charset to use when testing the string.

Return values
bool —

True if the parameter was uppercase.

length()

Returns the character (not byte) length of a string.

public static length(string $string[, string $charset = 'UTF-8' ]) : int
Parameters
$string : string

The string to return the length of.

$charset : string = 'UTF-8'

The charset to use when calculating the string's length.

Return values
int —

The string's length.

lower()

Makes a string lowercase.

public static lower(string $string[, bool $locale = false ][, string $charset = null ]) : string
Parameters
$string : string

The string to be converted.

$locale : bool = false

If true the string will be converted based on a given charset, locale independent else.

$charset : string = null

If $locale is true, the charset to use when converting.

Return values
string —

The string with lowercase characters.

pad()

Returns a string padded to a certain length with another string.

public static pad(string $input, int $length[, string $pad = ' ' ][, const $type = STR_PAD_RIGHT ][, string $charset = 'UTF-8' ]) : string

This method behaves exactly like str_pad() but is multibyte safe.

Parameters
$input : string

The string to be padded.

$length : int

The length of the resulting string.

$pad : string = ' '

The string to pad the input string with. Must be in the same charset like the input string.

$type : const = STR_PAD_RIGHT

The padding type. One of STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH.

$charset : string = 'UTF-8'

The charset of the input and the padding strings.

Return values
string —

The padded string.

pos()

Returns the numeric position of the first occurrence of $needle in the $haystack string.

public static pos(string $haystack, string $needle, int $offset[, string $charset = 'UTF-8' ]) : int
Parameters
$haystack : string

The string to search through.

$needle : string

The string to search for.

$offset : int

Character in $haystack to start searching at.

$charset : string = 'UTF-8'

Charset of $needle.

Return values
int —

The position of first occurrence.

regexMatch()

Performs a multibyte safe regex match search on the text provided.

public static regexMatch(string $text, array<string|int, mixed> $regex[, string $charset = null ]) : array<string|int, mixed>
Parameters
$text : string

The text to search.

$regex : array<string|int, mixed>

The regular expressions to use, without perl regex delimiters (e.g. '/' or '|').

$charset : string = null

The character set of the text.

Return values
array<string|int, mixed> —

The matches array from the first regex that matches.

ripos()

Returns the numeric position of the last case-insensitive occurrence of $needle in the $haystack string.

public static ripos(string $haystack, string $needle, int $offset[, string $charset = 'UTF-8' ]) : int
Parameters
$haystack : string

The string to search through.

$needle : string

The string to search for.

$offset : int

Character in $haystack to start searching at.

$charset : string = 'UTF-8'

Charset of $needle.

Tags
since
2.5.0
Return values
int —

The position of last case-insensitive occurrence.

rpos()

Returns the numeric position of the last occurrence of $needle in the $haystack string.

public static rpos(string $haystack, string $needle, int $offset[, string $charset = 'UTF-8' ]) : int
Parameters
$haystack : string

The string to search through.

$needle : string

The string to search for.

$offset : int

Character in $haystack to start searching at.

$charset : string = 'UTF-8'

Charset of $needle.

Return values
int —

The position of last occurrence.

substr()

Returns part of a string.

public static substr(string $string, int $start[, int $length = null ][, string $charset = 'UTF-8' ]) : string
Parameters
$string : string

The string to be converted.

$start : int

The part's start position, zero based.

$length : int = null

The part's length.

$charset : string = 'UTF-8'

The charset to use when calculating the part's position and length, defaults to current charset.

Return values
string —

The string's part.

trimUtf8Bom()

Strip UTF-8 byte order mark (BOM) from string data.

public static trimUtf8Bom(string $str) : string
Parameters
$str : string

Input string (UTF-8).

Return values
string —

Stripped string (UTF-8).

truncate()

Return a truncated string, suitable for notifications.

public static truncate(string $text[, int $length = 100 ]) : string
Parameters
$text : string

The original string.

$length : int = 100

The maximum length.

Return values
string —

The truncated string, if longer than $length.

ucfirst()

Returns a string with the first letter capitalized if it is alphabetic.

public static ucfirst(string $string[, bool $locale = false ][, string $charset = null ]) : string
Parameters
$string : string

The string to be capitalized.

$locale : bool = false

If true the string will be converted based on a given charset, locale independent else.

$charset : string = null

The charset to use, defaults to current charset.

Return values
string —

The capitalized string.

ucwords()

Returns a string with the first letter of each word capitalized if it is alphabetic.

public static ucwords(string $string[, bool $locale = false ][, string $charset = null ]) : string

Sentences are splitted into words at whitestrings.

Parameters
$string : string

The string to be capitalized.

$locale : bool = false

If true the string will be converted based on a given charset, locale independent else.

$charset : string = null

The charset to use, defaults to current charset.

Return values
string —

The capitalized string.

upper()

Makes a string uppercase.

public static upper(string $string[, bool $locale = false ][, string $charset = null ]) : string
Parameters
$string : string

The string to be converted.

$locale : bool = false

If true the string will be converted based on a given charset, locale independent else.

$charset : string = null

If $locale is true, the charset to use when converting. If not provided the current charset.

Return values
string —

The string with uppercase characters.

validUtf8()

Check to see if a string is valid UTF-8.

public static validUtf8(string $text) : bool
Parameters
$text : string

The text to check.

Return values
bool —

True if valid UTF-8.

wordwrap()

Wraps the text of a message.

public static wordwrap(string $string[, int $width = 75 ][, string $break = " " ][, bool $cut = false ][, bool $line_folding = false ]) : string
Parameters
$string : string

String containing the text to wrap.

$width : int = 75

Wrap the string at this number of characters.

$break : string = " "

Character(s) to use when breaking lines.

$cut : bool = false

Whether to cut inside words if a line can't be wrapped.

$line_folding : bool = false

Whether to apply line folding rules per RFC 822 or similar. The correct break characters including leading whitespace have to be specified too.

Return values
string —

String containing the wrapped text.

wrap()

Wraps the text of a message.

public static wrap(string $text[, int $length = 80 ][, string $break_char = " " ][, bool $quote = false ]) : string
Parameters
$text : string

String containing the text to wrap.

$length : int = 80

Wrap $text at this number of characters.

$break_char : string = " "

Character(s) to use when breaking lines.

$quote : bool = false

Ignore lines that are wrapped with the '>' character (RFC 2646)? If true, we don't remove any padding whitespace at the end of the string.

Return values
string —

String containing the wrapped text.

_convertCharset()

Internal function used to do charset conversion.

protected static _convertCharset(string $input, string $from, string $to) : string
Parameters
$input : string

See self::convertCharset().

$from : string

See self::convertCharset().

$to : string

See self::convertCharset().

Return values
string —

The converted string.

_mbstringCharset()

Workaround charsets that don't work with mbstring functions.

protected static _mbstringCharset(string $charset) : string
Parameters
$charset : string

The original charset.

Return values
string —

The charset to use with mbstring functions.

_pos()

Perform string position searches.

protected static _pos(string $haystack, string $needle, int $offset, string $charset, string $func) : int
Parameters
$haystack : string

The string to search through.

$needle : string

The string to search for.

$offset : int

Character in $haystack to start searching at.

$charset : string

Charset of $needle.

$func : string

Function to use.

Return values
int —

The position of occurrence.

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