chunk_split

(PHP 4, PHP 5, PHP 7, PHP 8)

chunk_splitSplit a string into smaller chunks

Description

chunk_split(string $string, int $length = 76, string $separator = "\r\n"): string

Can be used to split a string into smaller chunks which is useful for e.g. converting base64_encode() output to match RFC 2045 semantics. It inserts separator every length characters.

Parameters

string

The string to be chunked.

length

The chunk length.

separator

The line ending sequence.

Return Values

Returns the chunked string.

Examples

Example #1 chunk_split() example

<?php
// format $data using RFC 2045 semantics
$new_string = chunk_split(base64_encode($data));
?>

See Also

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