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mb_strcut

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(PHP 4 >= 4.0.6, PHP 5, PHP 7)

mb_strcut — Get part of string

Description

mb_strcut ( string $str , int $start [, int $length = NULL [, string $encoding = mb_internal_encoding() ]] ) : string

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.

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Parameters

str

The string being cut.

start

If start is non-negative, the returned string will start at the start'th byte position in str, counting from zero. For instance, in the string 'abcdef', the byte at position 0 is 'a', the byte at position 2 is 'c', and so forth.

If start is negative, the returned string will start at the start'th byte from the end of str.

length

Length in bytes. If omitted or NULL is passed, extract all bytes to the end of the string.

encoding

The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

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Return Values

mb_strcut() returns the portion of str specified by the start and length parameters.

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Changelog

Version Description
5.4.8 Passing NULL as length extracts all bytes to the end of the string. Prior to this version NULL was treated the same as 0.

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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