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>chunk_split</TITLE
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><A
NAME="function.chunk-split"
>chunk_split</A
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><DIV
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NAME="AEN25567"
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>chunk_split -- Split a string into smaller chunks.</DIV
><DIV
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><A
NAME="AEN25570"
></A
><H2
>Description</H2
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><P
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><CODE
CLASS="FUNCDEF"
>string chunk_split</CODE
>(string string, int
[<SPAN
CLASS="optional"
>chunklen</SPAN
>]
, string
[<SPAN
CLASS="optional"
>end</SPAN
>]
);<P
></P
></DIV
><P
> Can be used to split a string into smaller chunks which is useful
for e.g. converting <A
HREF="function.base64-encode.html"
>base64_encode</A
> output to
match RFC 2045 semantics. It inserts every
<TT
CLASS="parameter"
><I
>chunklen</I
></TT
> (defaults to 76) chars the string
<TT
CLASS="parameter"
><I
>end</I
></TT
> (defaults to "\r\n"). It returns the
new string leaving the original string untouched.
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>Example 1. <B
CLASS="function"
>Chunk_split()</B
> example</B
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> 1
2 # format $data using RFC 2045 semantics
3
4 $new_string = chunk_split (base64_encode($data));
5 </PRE
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>
This function is significantly faster than
<A
HREF="function.ereg-replace.html"
><B
CLASS="function"
>ereg_replace()</B
></A
>.
<DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
This function was added in 3.0.6.
</P
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