Class Text
Text handling methods.
Property Summary
-
$_defaultHtmlNoCount protected static
array
Default html tags who must not be count for truncate text.
-
$_defaultTransliterator protected static
Transliterator|null
Default transliterator.
-
$_defaultTransliteratorId protected static
string
Default transliterator id string.
Method Summary
-
_removeLastWord() protected static
Removes the last word from the input text.
-
_strlen() protected static
Get string length.
-
_substr() protected static
Return part of a string.
-
_wordWrap() protected static
Unicode aware version of wordwrap as helper method.
-
ascii() public static
Converts the decimal value of a multibyte character string to a string
-
cleanInsert() public static
Cleans up a Text::insert() formatted string with given $options depending on the 'clean' key in $options. The default method used is text but html is also available. The goal of this function is to replace all whitespace and unneeded markup around placeholders that did not get replaced by Text::insert().
-
excerpt() public static
Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
-
getTransliterator() public static
Get the default transliterator.
-
getTransliteratorId() public static
Get default transliterator identifier string.
-
highlight() public static
Highlights a given phrase in a text. You can specify any expression in highlighter that may include the \1 expression to include the $phrase found.
-
insert() public static
Replaces variable placeholders inside a $str with any given $data. Each key in the $data array corresponds to a variable placeholder name in $str. Example:
Text::insert(':name is :age years old.', ['name' => 'Bob', 'age' => '65']);
Returns: Bob is 65 years old.
-
isMultibyte() public static
Check if the string contain multibyte characters
-
parseFileSize() public static
Converts filesize from human readable string to bytes
-
setTransliterator() public static
Set the default transliterator.
-
setTransliteratorId() public static
Set default transliterator identifier string.
-
slug() public static
Returns a string with all spaces converted to dashes (by default), characters transliterated to ASCII characters, and non word characters removed.
-
stripLinks() public static deprecated
Strips given text of all links (<a href=....).
-
tail() public static
Truncates text starting from the end.
-
toList() public static
Creates a comma separated list where the last two items are joined with 'and', forming natural language.
-
tokenize() public static
Tokenizes a string using $separator, ignoring any instance of $separator that appears between $leftBound and $rightBound.
-
transliterate() public static
Transliterate string.
-
truncate() public static
Truncates text.
-
truncateByWidth() public static
Truncate text with specified width.
-
utf8() public static
Converts a multibyte character string to the decimal value of the character
-
uuid() public static
Generate a random UUID version 4
-
wordWrap() public static
Unicode and newline aware version of wordwrap.
-
wrap() public static
Wraps text to a specific width, can optionally wrap at word breaks.
-
wrapBlock() public static
Wraps a complete block of text to a specific width, can optionally wrap at word breaks.
Method Detail
_removeLastWord() ¶ protected static
_removeLastWord(string $text): string
Removes the last word from the input text.
Parameters
-
string
$text The input text
Returns
string
_strlen() ¶ protected static
_strlen(string $text, array $options): int
Get string length.
Options:
html
If true, HTML entities will be handled as decoded characters.trimWidth
If true, the width will return.
Parameters
-
string
$text The string being checked for length
-
array
$options An array of options.
Returns
int
_substr() ¶ protected static
_substr(string $text, int $start, int $length, array $options): string
Return part of a string.
Options:
html
If true, HTML entities will be handled as decoded characters.trimWidth
If true, will be truncated with specified width.
Parameters
-
string
$text The input string.
-
int
$start The position to begin extracting.
-
int
$length The desired length.
-
array
$options An array of options.
Returns
string
_wordWrap() ¶ protected static
_wordWrap(string $text, int $width = 72, string $break = "\n", bool $cut = false): string
Unicode aware version of wordwrap as helper method.
Parameters
-
string
$text The text to format.
-
int
$width optional The width to wrap to. Defaults to 72.
-
string
$break optional The line is broken using the optional break parameter. Defaults to '\n'.
-
bool
$cut optional If the cut is set to true, the string is always wrapped at the specified width.
Returns
string
ascii() ¶ public static
ascii(array $array): string
Converts the decimal value of a multibyte character string to a string
Parameters
-
array
$array Array
Returns
string
cleanInsert() ¶ public static
cleanInsert(string $str, array $options): string
Cleans up a Text::insert() formatted string with given $options depending on the 'clean' key in $options. The default method used is text but html is also available. The goal of this function is to replace all whitespace and unneeded markup around placeholders that did not get replaced by Text::insert().
Parameters
-
string
$str String to clean.
-
array
$options Options list.
Returns
string
See Also
excerpt() ¶ public static
excerpt(string $text, string $phrase, int $radius = 100, string $ellipsis = '...'): string
Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
Parameters
-
string
$text String to search the phrase in
-
string
$phrase Phrase that will be searched for
-
int
$radius optional The amount of characters that will be returned on each side of the founded phrase
-
string
$ellipsis optional Ending that will be appended
Returns
string
Links
getTransliterator() ¶ public static
getTransliterator(): Transliterator|null
Get the default transliterator.
Returns
Transliterator|null
getTransliteratorId() ¶ public static
getTransliteratorId(): string
Get default transliterator identifier string.
Returns
string
highlight() ¶ public static
highlight(string $text, string|array $phrase, array $options = []): string
Highlights a given phrase in a text. You can specify any expression in highlighter that may include the \1 expression to include the $phrase found.
Options:
format
The piece of HTML with that the phrase will be highlightedhtml
If true, will ignore any HTML tags, ensuring that only the correct text is highlightedregex
A custom regex rule that is used to match words, default is '|$tag|iu'limit
A limit, optional, defaults to -1 (none)
Parameters
-
string
$text Text to search the phrase in.
-
string|array
$phrase The phrase or phrases that will be searched.
-
array
$options optional An array of HTML attributes and options.
Returns
string
Links
insert() ¶ public static
insert(string $str, array $data, array $options = []): string
Replaces variable placeholders inside a $str with any given $data. Each key in the $data array corresponds to a variable placeholder name in $str. Example:
Text::insert(':name is :age years old.', ['name' => 'Bob', 'age' => '65']);
Returns: Bob is 65 years old.
Available $options are:
- before: The character or string in front of the name of the variable placeholder (Defaults to
:
) - after: The character or string after the name of the variable placeholder (Defaults to null)
- escape: The character or string used to escape the before character / string (Defaults to
\
) - format: A regex to use for matching variable placeholders. Default is:
/(?<!\\)\:%s/
(Overwrites before, after, breaks escape / clean) - clean: A boolean or array with instructions for Text::cleanInsert
Parameters
-
string
$str A string containing variable placeholders
-
array
$data A key => val array where each key stands for a placeholder variable name to be replaced with val
-
array
$options optional An array of options, see description above
Returns
string
isMultibyte() ¶ public static
isMultibyte(string $string): bool
Check if the string contain multibyte characters
Parameters
-
string
$string value to test
Returns
bool
parseFileSize() ¶ public static
parseFileSize(string $size, mixed $default = false): mixed
Converts filesize from human readable string to bytes
Parameters
-
string
$size Size in human readable string like '5MB', '5M', '500B', '50kb' etc.
-
mixed
$default optional Value to be returned when invalid size was used, for example 'Unknown type'
Returns
mixed
Throws
InvalidArgumentException
On invalid Unit type.
Links
setTransliterator() ¶ public static
setTransliterator(Transliterator $transliterator): void
Set the default transliterator.
Parameters
-
Transliterator
$transliterator A
Transliterator
instance.
Returns
void
setTransliteratorId() ¶ public static
setTransliteratorId(string $transliteratorId): void
Set default transliterator identifier string.
Parameters
-
string
$transliteratorId Transliterator identifier.
Returns
void
slug() ¶ public static
slug(string $string, array|string $options = []): string
Returns a string with all spaces converted to dashes (by default), characters transliterated to ASCII characters, and non word characters removed.
Options:
replacement
: Replacement string. Default '-'.transliteratorId
: A valid transliterator id string. Ifnull
(default) the transliterator (identifier) set viasetTransliteratorId()
orsetTransliterator()
will be used. Iffalse
no transliteration will be done, only non words will be removed.preserve
: Specific non-word character to preserve. Defaultnull
. For e.g. this option can be set to '.' to generate clean file names.
Parameters
-
string
$string the string you want to slug
-
array|string
$options optional If string it will be use as replacement character or an array of options.
Returns
string
See Also
setTransliteratorId()
stripLinks() ¶ public static
stripLinks(string $text): string
Strips given text of all links (<a href=....).
Warning This method is not an robust solution in preventing XSS or malicious HTML.
Parameters
-
string
$text Text
Returns
string
tail() ¶ public static
tail(string $text, int $length = 100, array $options = []): string
Truncates text starting from the end.
Cuts a string to the length of $length and replaces the first characters with the ellipsis if the text is longer than length.
Options:
ellipsis
Will be used as beginning and prepended to the trimmed stringexact
If false, $text will not be cut mid-word
Parameters
-
string
$text String to truncate.
-
int
$length optional Length of returned string, including ellipsis.
-
array
$options optional An array of options.
Returns
string
toList() ¶ public static
toList(string[] $list, string|null $and = null, string $separator = ', '): string
Creates a comma separated list where the last two items are joined with 'and', forming natural language.
Parameters
-
string[]
$list The list to be joined.
-
string|null
$and optional The word used to join the last and second last items together with. Defaults to 'and'.
-
string
$separator optional The separator used to join all the other items together. Defaults to ', '.
Returns
string
Links
tokenize() ¶ public static
tokenize(string $data, string $separator = ',', string $leftBound = '(', string $rightBound = ')'): string|string[]
Tokenizes a string using $separator, ignoring any instance of $separator that appears between $leftBound and $rightBound.
Parameters
-
string
$data The data to tokenize.
-
string
$separator optional The token to split the data on.
-
string
$leftBound optional The left boundary to ignore separators in.
-
string
$rightBound optional The right boundary to ignore separators in.
Returns
string|string[]
transliterate() ¶ public static
transliterate(string $string, Transliterator|string|null $transliterator = null): string
Transliterate string.
Parameters
-
string
$string String to transliterate.
-
Transliterator|string|null
$transliterator optional Either a Transliterator instance, or a transliterator identifier string. If
null
, the default transliterator (identifier) set viasetTransliteratorId()
orsetTransliterator()
will be used.
Returns
string
See Also
truncate() ¶ public static
truncate(string $text, int $length = 100, array $options = []): string
Truncates text.
Cuts a string to the length of $length and replaces the last characters with the ellipsis if the text is longer than length.
Options:
ellipsis
Will be used as ending and appended to the trimmed stringexact
If false, $text will not be cut mid-wordhtml
If true, HTML tags would be handled correctlytrimWidth
If true, $text will be truncated with the width
Parameters
-
string
$text String to truncate.
-
int
$length optional Length of returned string, including ellipsis.
-
array
$options optional An array of HTML attributes and options.
Returns
string
Links
truncateByWidth() ¶ public static
truncateByWidth(string $text, int $length = 100, array $options = []): string
Truncate text with specified width.
Parameters
-
string
$text String to truncate.
-
int
$length optional Length of returned string, including ellipsis.
-
array
$options optional An array of HTML attributes and options.
Returns
string
See Also
utf8() ¶ public static
utf8(string $string): array
Converts a multibyte character string to the decimal value of the character
Parameters
-
string
$string String to convert.
Returns
array
uuid() ¶ public static
uuid(): string
Generate a random UUID version 4
Warning: This method should not be used as a random seed for any cryptographic operations. Instead you should use the openssl or mcrypt extensions.
It should also not be used to create identifiers that have security implications, such as
'unguessable' URL identifiers. Instead you should use Security::randomBytes()
for that.
Returns
string
See Also
wordWrap() ¶ public static
wordWrap(string $text, int $width = 72, string $break = "\n", bool $cut = false): string
Unicode and newline aware version of wordwrap.
Parameters
-
string
$text The text to format.
-
int
$width optional The width to wrap to. Defaults to 72.
-
string
$break optional The line is broken using the optional break parameter. Defaults to '\n'.
-
bool
$cut optional If the cut is set to true, the string is always wrapped at the specified width.
Returns
string
wrap() ¶ public static
wrap(string $text, array|int $options = []): string
Wraps text to a specific width, can optionally wrap at word breaks.
Options
width
The width to wrap to. Defaults to 72.wordWrap
Only wrap on words breaks (spaces) Defaults to true.indent
String to indent with. Defaults to null.indentAt
0 based index to start indenting at. Defaults to 0.
Parameters
-
string
$text The text to format.
-
array|int
$options optional Array of options to use, or an integer to wrap the text to.
Returns
string
wrapBlock() ¶ public static
wrapBlock(string $text, array|int $options = []): string
Wraps a complete block of text to a specific width, can optionally wrap at word breaks.
Options
width
The width to wrap to. Defaults to 72.wordWrap
Only wrap on words breaks (spaces) Defaults to true.indent
String to indent with. Defaults to null.indentAt
0 based index to start indenting at. Defaults to 0.
Parameters
-
string
$text The text to format.
-
array|int
$options optional Array of options to use, or an integer to wrap the text to.
Returns
string
Property Detail
$_defaultHtmlNoCount ¶ protected static
Default html tags who must not be count for truncate text.
Type
array