Zip library "Allowed memory size"

just create your own function to add them to a zip file one by one rather than having CI do the whole thing in one pass

https://www.php.net/manual/en/class.ziparchive.php

not tested the following but you get the idea. This is what i did to get around the same issue

Code:

$zip = new ZipArchive();
$path_to_zip_file = '/home/path/to/file/my_zip_file.zip';
$array_of_files_to_save = array('/home/files/file1.jpg','/home/files/file3.jpg','/home/files/file3.jpg'); // create an array of files to save

// if zip does not exist, create it, otherwise open and add to it
$zip->open($path_to_zip_file , ZipArchive::CREATE):

// loop through and add each file
foreach($array_of_files_to_save AS $key => $value):
$zip->addFile($value)
endforeach;

// close the zip file
$zip->close();