chunk_split

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

    chunk_split — Split 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));
    ?>

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