What does this program print?

from Data types
PHP 8.3.33 beginner 2 min

What does this program print?

php
<?php
var_export((bool) '0');
echo PHP_EOL;
var_export((bool) '00');
echo PHP_EOL;
var_export('10' == 10);
echo PHP_EOL;
var_export('10' === 10);
echo PHP_EOL;
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