14160133541

Committed 30 Mar 2025 09:27PM UTC coverage: 94.853% (-2.0%) from 96.809%

Build Type

push

github

Committed by

Commit Message

nette/assets

Coverage Stats

129 of 136 new or added lines in 5 files covered. (94.85%)

129 of 136 relevant lines covered (94.85%)

0.95 hits per line

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85.0

/src/Assets/Helpers.php

<?php

declare(strict_types=1);

namespace Nette\Assets;

use Nette;


/**
 * Static helper class providing utility functions for working with assets.
 */
final class Helpers
{
        use Nette\StaticClass;

        /**
         * Validates array of options against allowed optional and required keys.
         * @throws \InvalidArgumentException if there are unsupported or missing options
         */
        public static function checkOptions(array $array, array $optional = [], array $required = []): void
        {
                if ($keys = array_diff(array_keys($array), $optional, $required)) {
                        throw new \InvalidArgumentException('Unsupported asset options: ' . implode(', ', $keys));
                }
                if ($keys = array_diff($required, array_keys($array))) {
                        throw new \InvalidArgumentException('Missing asset options: ' . implode(', ', $keys));
                }
        }


        /**
         * Estimates the duration (in seconds) of an MP3 file, assuming constant bitrate (CBR).
         * @throws \RuntimeException If the file cannot be opened, MP3 sync bits aren't found, or bitrate is invalid/unsupported.
         */
        public static function guessMP3Duration(string $path): int
        {
                if (
                        ($header = @file_get_contents($path, length: 10000)) === false // @ - file may not exist
                        || ($fileSize = @filesize($path)) === false
                ) {
                        throw new \RuntimeException(sprintf("Failed to open file '%s'. %s", $path, Nette\Utils\Helpers::getLastError()));
                }

                $frameOffset = strpos($header, "\xFF\xFB"); // 0xFB indicates MPEG Version 1, Layer III, no protection bit.
                if ($frameOffset === false) {
                        throw new \RuntimeException('Failed to find MP3 frame sync bits.');
                }

                $frameHeader = substr($header, $frameOffset, 4);
                $headerBits = unpack('N', $frameHeader)[1];
                $bitrateIndex = ($headerBits >> 12) & 0xF;
                $bitrate = [null, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320][$bitrateIndex] ?? null;
                if ($bitrate === null) {
                        throw new \RuntimeException('Invalid or unsupported bitrate index.');
                }

                return (int) round($fileSize * 8 / $bitrate / 1000);
        }
}

1	<?php
2
3	declare(strict_types=1);
4
5	namespace Nette\Assets;
6
7	use Nette;
8
9
10	/**
11	* Static helper class providing utility functions for working with assets.
12	*/
13	final class Helpers
14	{
15	use Nette\StaticClass;
16
17	/**
18	* Validates array of options against allowed optional and required keys.
19	* @throws \InvalidArgumentException if there are unsupported or missing options
20	*/
21	public static function checkOptions(array $array, array $optional = [], array $required = []): void	1✔
22	{
23	if ($keys = array_diff(array_keys($array), $optional, $required)) {	1✔
24	throw new \InvalidArgumentException('Unsupported asset options: ' . implode(', ', $keys));	1✔
25	}
26	if ($keys = array_diff($required, array_keys($array))) {	1✔
NEW 27	throw new \InvalidArgumentException('Missing asset options: ' . implode(', ', $keys));	×
28	}
29	}	1✔
30
31
32	/**
33	* Estimates the duration (in seconds) of an MP3 file, assuming constant bitrate (CBR).
34	* @throws \RuntimeException If the file cannot be opened, MP3 sync bits aren't found, or bitrate is invalid/unsupported.
35	*/
36	public static function guessMP3Duration(string $path): int	1✔
37	{
38	if (
39	($header = @file_get_contents($path, length: 10000)) === false // @ - file may not exist	1✔
40	\|\| ($fileSize = @filesize($path)) === false	1✔
41	) {
NEW 42	throw new \RuntimeException(sprintf("Failed to open file '%s'. %s", $path, Nette\Utils\Helpers::getLastError()));	×
43	}
44
45	$frameOffset = strpos($header, "\xFF\xFB"); // 0xFB indicates MPEG Version 1, Layer III, no protection bit.	1✔
46	if ($frameOffset === false) {	1✔
47	throw new \RuntimeException('Failed to find MP3 frame sync bits.');	1✔
48	}
49
50	$frameHeader = substr($header, $frameOffset, 4);	1✔
51	$headerBits = unpack('N', $frameHeader)[1];	1✔
52	$bitrateIndex = ($headerBits >> 12) & 0xF;	1✔
53	$bitrate = [null, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320][$bitrateIndex] ?? null;	1✔
54	if ($bitrate === null) {	1✔
NEW 55	throw new \RuntimeException('Invalid or unsupported bitrate index.');	×
56	}
57
58	return (int) round($fileSize * 8 / $bitrate / 1000);	1✔
59	}
60	}

nette / assets / 14160133541

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