Online PHP editor | output for t4h9t

@ 2016-11-21T10:59:28Z

<?php

    // \u{...} syntax is only allowed in PHP 7+
    version_compare(PHP_VERSION, "7.0", ">=") || die;

	$RegularExpression = "/^[a-z\u{0430}-\u{044F}]+$/iu";

	$TestStrArray = array('ABC', 'abc', "\u{0410}\u{0411}\u{0412}", "\u{0430}\u{0431}\u{0432}");

	foreach ($TestStrArray as $TestStr)
	{
		$Result = preg_match($RegularExpression, $TestStr);

		echo $TestStr;

		if ($Result === false)
		{
			echo ' - Error'."\r\n";
		}
		else
		{
			echo ' - '.($Result === 0 ? 'not found' : 'found')."\r\n";
		}
	} // foreach
?>

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.18, 8.5.0 - 8.5.3: ABC - found abc - found АБВ - found абв - found
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.
Output for 5.6.0 - 5.6.28

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