<?php
try {
$p = new Phar('/path/to/my.phar', 0, 'my.phar');
$p['myfile.txt'] = 'hi';
$p['myfile2.txt'] = 'hi';
$p['myfile2.txt']->setCompressedGZ();
$file = $p['myfile.txt'];
$file2 = $p['myfile2.txt'];
var_dump($file->isCompressed());
var_dump($file2->isCompressed());
} catch (Exception $e) {
echo 'Create/modify on phar my.phar failed: ', $e;
}
?>
Результат выполнения данного примера: