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 end every chunklen characters. Test chunk_split online.
string chunk_split ( string $body [, int $chunklen = 76 [, string $end = "\r\n" ]] )
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(PHP 4, PHP 5, PHP 7, PHP 8)
chunk_split — Split a string into smaller chunks
en
$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.
string
The string to be chunked.
length
The chunk length.
separator
The line ending sequence.
Returns the chunked string.
Example #1 chunk_split() example
<?php
// format $data using RFC 2045 semantics
$new_string = chunk_split(base64_encode($data));
?>
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