mb_split
function cut_sense($matne_harf, $l_harf ,$return=1 ) {
if ( strlen($matne_harf) > $l_harf){
$end='...';
}else{
$end='';
}
if ( function_exists('mb_strcut') ){
$matne_harf = mb_strcut ( $matne_harf, 0 , $l_harf , "UTF-8" );
}else{
$matne_harf =substr($matne_harf, 0, $l_harf);
}
$text=''.$matne_harf.''.$end.'';
if ( $return == 1){
return $text;
}else{
print $text;
}
}
Iranian php programmer (farhad zand +989383015266)
mb_strcut
(PHP 4 >= 4.0.6, PHP 5)
mb_strcut — Get part of string
Description
string mb_strcut
( string
$str
, int $start
[, int $length
[, string $encoding
]] )mb_strcut() extracts a substring from a string similarly to mb_substr(), but operates on bytes instead of characters. If the cut position happens to be between two bytes of a multi-byte character, the cut is performed starting from the first byte of that character. This is also the difference to the substr() function, which would simply cut the string between the bytes and thus result in a malformed byte sequence.
Parameters
-
str -
The string being cut.
-
start -
Starting position in bytes.
-
length -
Length in bytes.
-
encoding -
The
encodingparameter is the character encoding. If it is omitted, the internal character encoding value will be used.
Return Values
mb_strcut() returns the portion of
str specified by the
start and
length parameters.
See Also
- mb_substr() - Get part of string
- mb_internal_encoding() - Set/Get internal character encoding
add a note
User Contributed Notes
mb_strcut - [4 notes]
php_engineer_bk at yahoo dot com ¶
2 years ago
t dot starling at physics dot unimelb dot edu dot au ¶
8 years ago
What the manual and the first commenter are trying to say is that mb_strcut uses byte offsets, as opposed to mb_substr which uses character offsets.
Both mb_strcut and mb_substr appear to treat negative and out-of-range offsets and lengths in the basically the same way as substr. An exception is that if start is too large, an empty string will be returned rather than FALSE. Testing indicates that mb_strcut first works out start and end byte offsets, then moves each offset left to the nearest character boundary.
oyag02 at yahoo dot co dot jp ¶
9 years ago
diffrence between mb_substr and mb_substr
example:
mb_strcut('I_ROHA', 1, 2) returns 'I_'. Treated as byte stream.
mb_substr('I_ROHA', 1, 2) returns 'ROHA' Treated as character stream.
# 'I_' 'RO' 'HA' means multi-byte character
egoalesum at IHATEBOTS dot youarchive dot it ¶
3 years ago
I found this function to be extremely useful.
Here is a practical example, showing the difference between substr(), mb_substr() and mb_strcut():
<?php
mb_internal_encoding('UTF-8');
$string = 'cioèòà';
var_dump(
substr($string, 0, 6),
mb_substr($string, 0, 6),
mb_strcut($string, 0, 6)
);
?>
Output:
string(6) "cioè?"
string(9) "cioèòà"
string(5) "cioè"
Explanation:
$string is long 9 bytes
c - 1 byte
i - 1 byte
o - 1 byte
è - 2 bytes
ò - 2 bytes
à - 2 bytes
substr() works with bytes, so it returns a string which is exactly 6 bytes long. Thus, it truncates the ò character.
mb_substr(), instead, works with characters, so it returns a string which is exactly 6 characters long (but in this case is 9 bytes long).
mb_strcut() works exactly as substr(), but, if the last byte appears to be truncated, it simply omits the character.
When you use
$string = mb_strcut($string, 6);
you can know for sure that strlen($string) <= 6. But no unicode characters will be truncated.
I hope my comment could finally be a simple explanation.