Online PHP editor | output for fSZOh

@ 2018-03-06T03:27:04Z

<?php
$htmls = [
    "<p><div><p>aaaaaa</p></div></p>",
    "<div><p>aaaaaa</p></div>",
    "<p>aaaaaa</p><div>bbbbbb</div>",
    "<p>aaaaaa</p><div>bbbbbb</div><p>cccccc</p>",
    "<p>aaaaaa</p><p>bbbbbb</p>",
    "<p>hello<p>aaaaaa</p></p>",
    "<p><p>aaaaaa</p></p>"
];
    
foreach ($htmls as $i => $html) {
    $without_ptags = preg_replace('~<p>(?:(?R)|.*?)*</p>~', '', $html, 2, $count);
    if ($without_ptags === '' && $count == 1) {
        echo "$i => ", substr($html, 3, -4);
    }else{
        echo "$i => not wrapped in p tags";
    }
    echo "\n---\n";
}

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: 0 => <div><p>aaaaaa</p></div> --- 1 => not wrapped in p tags --- 2 => not wrapped in p tags --- 3 => not wrapped in p tags --- 4 => not wrapped in p tags --- 5 => hello<p>aaaaaa</p> --- 6 => <p>aaaaaa</p> ---
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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