public static
boolean
|
#
is_ascii( string $str )
Tests whether a string contains only 7bit ASCII bytes. This is used to
determine when to use native functions or UTF-8 functions.
Tests whether a string contains only 7bit ASCII bytes. This is used to
determine when to use native functions or UTF-8 functions.
Parameters
- $str
string
string to check Returns
boolean
|
public static
string
|
#
strip_ascii_ctrl( string $str )
Strips out device control codes in the ASCII range.
Strips out device control codes in the ASCII range.
Parameters
- $str
string
string to clean Returns
string
|
public static
string
|
#
strip_non_ascii( string $str )
Strips out all non-7bit ASCII bytes.
Strips out all non-7bit ASCII bytes.
Parameters
- $str
string
string to clean Returns
string
|
public static
integer
|
#
strlen( string $str )
Returns the length of the given string.
Returns the length of the given string.
Parameters
- $str
string
string being measured for length Returns
integer
See
|
public static
integer
|
#
strpos( string $str, string $search, integer $offset = 0 )
Finds position of first occurrence of a UTF-8 string.
Finds position of first occurrence of a UTF-8 string.
Parameters
- $str
string
haystack- $search
string
needle- $offset
integer
offset from which character in haystack to start searching Returns
integer
position of needle
boolean
FALSE if the needle is not found
Author
See
|
public static
integer
|
#
strrpos( string $str, string $search, integer $offset = 0 )
Finds position of last occurrence of a char in a UTF-8 string.
Finds position of last occurrence of a char in a UTF-8 string.
Parameters
- $str
string
haystack- $search
string
needle- $offset
integer
offset from which character in haystack to start searching Returns
integer
position of needle
boolean
FALSE if the needle is not found
Author
See
|
public static
string
|
#
substr( string $str, integer $offset, integer $length = NULL )
Returns part of a UTF-8 string.
Returns part of a UTF-8 string.
Parameters
- $str
string
input string- $offset
integer
offset- $length
integer
length limit Returns
string
Author
See
|
public static
string
|
#
substr_replace( string $str, string $replacement, integer $offset, $length = NULL )
Replaces text within a portion of a UTF-8 string.
Replaces text within a portion of a UTF-8 string.
Parameters
- $str
string
input string- $replacement
string
replacement string- $offset
integer
offset- $length
Returns
string
Author
See
|
public static
string
|
#
strtolower( string $str )
Makes a UTF-8 string lowercase.
Makes a UTF-8 string lowercase.
Parameters
- $str
string
mixed case string Returns
string
Author
See
|
public static
string
|
#
strtoupper( string $str )
Makes a UTF-8 string uppercase.
Makes a UTF-8 string uppercase.
Parameters
- $str
string
mixed case string Returns
string
Author
See
|
public static
string
|
#
ucfirst( string $str )
Makes a UTF-8 string's first character uppercase.
Makes a UTF-8 string's first character uppercase.
Parameters
- $str
string
mixed case string Returns
string
Author
See
|
public static
string
|
#
ucwords( string $str )
Makes the first character of every word in a UTF-8 string uppercase.
Makes the first character of every word in a UTF-8 string uppercase.
Parameters
- $str
string
mixed case string Returns
string
Author
See
|
public static
integer
|
#
strcasecmp( string $str1, string $str2 )
Case-insensitive UTF-8 string comparison.
Case-insensitive UTF-8 string comparison.
Parameters
- $str1
string
string to compare- $str2
string
string to compare Returns
integer
less than 0 if str1 is less than str2
integer
greater than 0 if str1 is greater than str2
integer
0 if they are equal
Author
See
|
public static
string
|
#
str_ireplace( string|array $search, string|array $replace, string|array $str, integer & $count = NULL )
Returns a string or an array with all occurrences of search in subject
(ignoring case). replaced with the given replace value.
Returns a string or an array with all occurrences of search in subject
(ignoring case). replaced with the given replace value.
Parameters
- $search
string|array
text to replace- $replace
string|array
replacement text- $str
string|array
subject text- $count
integer
number of matched and replaced needles will be returned via this parameter which
is passed by reference Returns
string
if the input was a string
array
if the input was an array
Author
See
Note
It's not fast and gets slower if $search and/or $replace are arrays.
|
public static
string
|
#
stristr( string $str, string $search )
Case-insenstive UTF-8 version of strstr. Returns all of input string from the
first occurrence of needle to the end.
Case-insenstive UTF-8 version of strstr. Returns all of input string from the
first occurrence of needle to the end.
Parameters
- $str
string
input string- $search
string
needle Returns
string
matched substring if found
boolean
FALSE if the substring was not found
Author
See
|
public static
integer
|
#
strspn( string $str, string $mask, integer $offset = NULL, integer $length = NULL )
Finds the length of the initial segment matching mask.
Finds the length of the initial segment matching mask.
Parameters
- $str
string
input string- $mask
string
mask for search- $offset
integer
start position of the string to examine- $length
integer
length of the string to examine Returns
integer
length of the initial segment that contains characters in the mask
Author
See
|
public static
integer
|
#
strcspn( string $str, string $mask, integer $offset = NULL, integer $length = NULL )
Finds the length of the initial segment not matching mask.
Finds the length of the initial segment not matching mask.
Parameters
- $str
string
input string- $mask
string
mask for search- $offset
integer
start position of the string to examine- $length
integer
length of the string to examine Returns
integer
length of the initial segment that contains characters not in the mask
Author
See
|
public static
string
|
#
str_pad( string $str, integer $final_str_length, string $pad_str = ' ', string $pad_type = STR_PAD_RIGHT )
Pads a UTF-8 string to a certain length with another string.
Pads a UTF-8 string to a certain length with another string.
Parameters
- $str
string
input string- $final_str_length
integer
desired string length after padding- $pad_str
string
string to use as padding- $pad_type
string
padding type: STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH Returns
string
Author
See
|
public static
array
|
#
str_split( string $str, integer $split_length = 1 )
Converts a UTF-8 string to an array.
Converts a UTF-8 string to an array.
Parameters
- $str
string
input string- $split_length
integer
maximum length of each chunk Returns
array
Author
See
|
public static
string
|
#
strrev( string $str )
Reverses a UTF-8 string.
Parameters
- $str
string
string to be reversed Returns
string
Author
See
|
public static
string
|
#
trim( string $str, string $charlist = NULL )
Strips whitespace (or other UTF-8 characters) from the beginning and end of a
string.
Strips whitespace (or other UTF-8 characters) from the beginning and end of a
string.
Parameters
- $str
string
input string- $charlist
string
string of characters to remove Returns
string
Author
See
|
public static
string
|
#
ltrim( string $str, string $charlist = NULL )
Strips whitespace (or other UTF-8 characters) from the beginning of a
string.
Strips whitespace (or other UTF-8 characters) from the beginning of a
string.
Parameters
- $str
string
input string- $charlist
string
string of characters to remove Returns
string
Author
See
|
public static
string
|
#
rtrim( string $str, string $charlist = NULL )
Strips whitespace (or other UTF-8 characters) from the end of a string.
Strips whitespace (or other UTF-8 characters) from the end of a string.
Parameters
- $str
string
input string- $charlist
string
string of characters to remove Returns
string
Author
See
|
public static
integer
|
#
ord( string $chr )
Returns the unicode ordinal for a character.
Returns the unicode ordinal for a character.
Parameters
- $chr
string
UTF-8 encoded character Returns
integer
Author
See
|
public static
array
|
#
to_unicode( string $str )
Takes an UTF-8 string and returns an array of ints representing the Unicode
characters. Astral planes are supported i.e. the ints in the output can be >
0xFFFF. Occurrances of the BOM are ignored. Surrogates are not allowed.
Takes an UTF-8 string and returns an array of ints representing the Unicode
characters. Astral planes are supported i.e. the ints in the output can be >
0xFFFF. Occurrances of the BOM are ignored. Surrogates are not allowed.
The Original Code is Mozilla Communicator client code. The Initial Developer
of the Original Code is Netscape Communications Corporation. Portions created by
the Initial Developer are Copyright (C) 1998 the Initial Developer. Ported to
PHP by Henri Sivonen <hsivonen@iki .fi>, see http://hsivonen.iki.fi/php-utf8/.
Slight modifications to fit with phputf8 library by Harry Fuecks <hfuecks@gmail.com>.
Parameters
- $str
string
UTF-8 encoded string Returns
array
unicode code points
boolean
FALSE if the string is invalid
|
public static
string
|
#
from_unicode( array $arr )
Takes an array of ints representing the Unicode characters and returns a
UTF-8 string. Astral planes are supported i.e. the ints in the input can be >
0xFFFF. Occurrances of the BOM are ignored. Surrogates are not allowed.
Takes an array of ints representing the Unicode characters and returns a
UTF-8 string. Astral planes are supported i.e. the ints in the input can be >
0xFFFF. Occurrances of the BOM are ignored. Surrogates are not allowed.
The Original Code is Mozilla Communicator client code. The Initial Developer
of the Original Code is Netscape Communications Corporation. Portions created by
the Initial Developer are Copyright (C) 1998 the Initial Developer. Ported to
PHP by Henri Sivonen <hsivonen@iki .fi>, see http://hsivonen.iki.fi/php-utf8/.
Slight modifications to fit with phputf8 library by Harry Fuecks <hfuecks@gmail.com>.
Parameters
- $arr
array
unicode code points representing a string Returns
string
utf8 string of characters
boolean
FALSE if a code point cannot be found
|
public static
|
|
public static
|
|
public static
|
|