How to read bz2 file as an array with PHP

There is a function you may know开发者_开发技巧 gzfile which "Read entire gz-file into an array", how can you do the same with bz2? Thanks!

There's no built in function.

You could do something like this (add some sanity checks, etc):

function bzfile($filename){
    $p = popen('bunzip2 -c ' . $filename, 'r');
    $a = array();
    while($a[] = fgets($p);
    return $a;
}

This assumes a unix-like os with a bunzip2 binary installed. It runs buznip2 on your file. The -c option means "send uncompressed data to stdout instead of affecting the file on disk). That output behaves like a file handle, so you can fgets on it to read lines.

EDIT: There is an extension that provides some built-in bz2 functionality, though sadly, no bzfile(). If the bzip2 extension is available in your environment, you could rewrite the above like:

function bzfile($file){
    $fp = bzopen('foo.bz2','r');
    $a = array();
    while ($a[] = fgets($fp));
    return $a;
}

This will not require a unix environment or installed bunzip2 binary.

(NOTE: this all assumes the bzipped file is text and doesn't contain binary data, since you wanted a replacement for file())