save my file as zip

<?php

$zip = new ZipArchive();
$filename = "./ZIPname.zip";

if ($zip->open($filename, ZipArchive::CREATE)!==TRUE) {
    exit("cannot open <$filename>\n");
}

$localfilename = 'db-backup-'.$now.'.sql'

$zip->addFile($localfilename);
echo "numfiles: " . $zip->numFiles . "\n";
echo "status:" . $zip->status . "\n";
$zip->close();
?>

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<?php // demo/zip_archive.php
/**
 * Create a Zip Archive from a subdirectory
 *
 * https://www.experts-exchange.com/questions/29038857/save-my-file-as-zip.html
 *
 * http://php.net/manual/en/zip.examples.php       <-- No matter when errors "occur," they show up at Zip::Close() time.
 * http://php.net/manual/en/zip.examples.php#85714 <-- Errors are obscure!
 * http://php.net/manual/en/class.ziparchive.php
 * http://php.net/manual/en/ziparchive.close.php#101606
 */
error_reporting(E_ALL);


// THIS IS THE LIST OF scandir() RESPONSES THAT WE DO NOT WANT
$unwanted
= array
( '.'
, '..'
, 'teste2.txt'
)
;


// THIS IS THE NAME OF THE DIRECTORY TO ZIP
$dir = 'oop5';


// A GOOD PATH ON MY SERVER
$path
= getcwd()
. DIRECTORY_SEPARATOR
. $dir
;
if (!is_dir($path)) trigger_error("FAIL: NOT VALID PATH $path", E_USER_ERROR);


// INSTANTIATE THE OBJECT
$zip = new ZipArchive();

// CREATE A DATE-TIME ARCHIVE NAME
$archive
= date('Ymd\THis')
. '_archive_'
. $dir
. '.zip'
;
// TRY TO CREATE THE ARCHIVE
if ($zip->open($archive, ZIPARCHIVE::CREATE) !== TRUE) trigger_error("FAIL: ZIP->OPEN $archive", E_USER_ERROR);


// GET THE LIST OF FILES
if (!$files = scandir($path)) trigger_error("FAIL: scandir() $path", E_USER_ERROR);

foreach ($files as $file)
{
    $filename = $path . DIRECTORY_SEPARATOR . $file;

    // SKIP THE UNWANTED AND ADD THE OTHERS TO THE ARCHIVE
    if ( in_array($file, $unwanted) ) continue;
    if ( !is_file($filename) )        continue;
    // ACTIVATE THIS FOR A PROGRESS REPORT:
    // echo PHP_EOL . "$filename: $file";
    $zip->addFile($filename, $file );
}

if (!$zip->close()) trigger_error("FAIL: ZIP->CLOSE()", E_USER_ERROR);


$fs  = filesize($archive);
$fsn = number_format($fs);


// PREPARE A LINK
$link
= '<a target="_blank" href="'
. $archive
. '">'
. "DOWNLOAD $archive $fsn BYTES"
. '</a>'
;
echo PHP_EOL . $link;


/**
 * You can use something like this to send the Zip Archive directly to the browser
 *
header("Content-Type: archive/zip");
header("Content-Disposition: attachment; filename=$dir".".zip");
header("Content-Length: $fs");
readfile($archive);
 */

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$now = date("Y-M-d-H");
$filename = 'db-backup-'.$now.'.sql';

$handle = fopen($filename,'w+');
fwrite($handle,$return);
fclose($handle);

$zip = new ZipArchive();
$zipfile = 'db-backup-'.$now.'.zip';
$zip->addFile($zipfile, $filename);
$zip->close();

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$now = date("Y-M-d-H");
	$handling = fopen('db-backup-'.$now.'.sql','w+');
	fwrite($handling,$return);
	fclose($handling);
	


$zip = new ZipArchive();
$zipfile = 'db-backup-'.$now.'.sql.zip';
$zip->addFile($zipfile, $handling);
$zip->close();

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