String comparison in PHP doesn't make sense … [duplicate]

I have this really basic PHP code I can't figure out. In the example below, why do I get 'MATCH' when $i = 0, and not for the remaining rows …? It seems to be possible to workaround by using === instead of ==, but I can't understand why.

<?php

$text = 'foo bar';

for ($i = 0; $i <= 5; $i++) {
    echo '<p>' . $i . ': ';

    if ($i == $text) {
        echo 'MATCH!';
    } else {
        echo 'NOPE';
    }
}

?>

source https://stackoverflow.com/questions/67731189/string-comparison-in-php-doesnt-make-sense

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