wp-optimize / vendor / rosell-dk / webp-convert / src / Convert / Converters / ConverterTraits / CurlTrait.php

CurlTrait.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.21, at vendor/rosell-dk/webp-convert/src/Convert/Converters/ConverterTraits/CurlTrait.php

73 lines 2.1 KB

Raw Download Zip

1	<?php
2
3	namespace WebPConvert\Convert\Converters\ConverterTraits;
4
5	use WebPConvert\Convert\Exceptions\ConversionFailed\ConverterNotOperational\SystemRequirementsNotMetException;
6	use WebPConvert\Convert\Converters\AbstractConverter;
7
8	/**
9	* Trait for converters that works by uploading to a cloud service.
10	*
11	* The trait adds a method for checking against upload limits.
12	*
13	* @package WebPConvert
14	* @author Bjørn Rosell <[email protected]>
15	* @since Class available since Release 2.0.0
16	*/
17	trait CurlTrait
18	{
19
20	/**
21	* Check basis operationality for converters relying on curl.
22	*
23	* Performs the same as ::checkOperationality(). It is here so converters that overrides the
24	* ::checkOperationality() still has a chance to do the checks.
25	*
26	* @throws SystemRequirementsNotMetException
27	* @return void
28	*/
29	public function checkOperationalityForCurlTrait()
30	{
31	if (!extension_loaded('curl')) {
32	throw new SystemRequirementsNotMetException('Required cURL extension is not available.');
33	}
34
35	if (!function_exists('curl_init')) {
36	throw new SystemRequirementsNotMetException('Required url_init() function is not available.');
37	}
38
39	if (!function_exists('curl_file_create')) {
40	throw new SystemRequirementsNotMetException(
41	'Required curl_file_create() function is not available (requires PHP > 5.5).'
42	);
43	}
44	}
45
46	/**
47	* Check basis operationality for converters relying on curl
48	*
49	* @throws SystemRequirementsNotMetException
50	* @return void
51	*/
52	public function checkOperationality()
53	{
54	$this->checkOperationalityForCurlTrait();
55	}
56
57	/**
58	* Init curl.
59	*
60	* @throws SystemRequirementsNotMetException if curl could not be initialized
61	* @return resource\|\CurlHandle curl handle (from PHP8: CurlHandle)
62	*/
63	protected static function initCurl()
64	{
65	// Get curl handle
66	$ch = \curl_init();
67	if ($ch === false) {
68	throw new SystemRequirementsNotMetException('Could not initialise cURL.');
69	}
70	return $ch;
71	}
72	}
73