comparison app/SymfonyRequirements.php @ 0:493bcb69166c

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author Daniel Wolff
date Tue, 09 Feb 2016 20:54:02 +0100
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1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 /*
13 * Users of PHP 5.2 should be able to run the requirements checks.
14 * This is why the file and all classes must be compatible with PHP 5.2+
15 * (e.g. not using namespaces and closures).
16 *
17 * ************** CAUTION **************
18 *
19 * DO NOT EDIT THIS FILE as it will be overridden by Composer as part of
20 * the installation/update process. The original file resides in the
21 * SensioDistributionBundle.
22 *
23 * ************** CAUTION **************
24 */
25
26 /**
27 * Represents a single PHP requirement, e.g. an installed extension.
28 * It can be a mandatory requirement or an optional recommendation.
29 * There is a special subclass, named PhpIniRequirement, to check a php.ini configuration.
30 *
31 * @author Tobias Schultze <http://tobion.de>
32 */
33 class Requirement
34 {
35 private $fulfilled;
36 private $testMessage;
37 private $helpText;
38 private $helpHtml;
39 private $optional;
40
41 /**
42 * Constructor that initializes the requirement.
43 *
44 * @param bool $fulfilled Whether the requirement is fulfilled
45 * @param string $testMessage The message for testing the requirement
46 * @param string $helpHtml The help text formatted in HTML for resolving the problem
47 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
48 * @param bool $optional Whether this is only an optional recommendation not a mandatory requirement
49 */
50 public function __construct($fulfilled, $testMessage, $helpHtml, $helpText = null, $optional = false)
51 {
52 $this->fulfilled = (bool) $fulfilled;
53 $this->testMessage = (string) $testMessage;
54 $this->helpHtml = (string) $helpHtml;
55 $this->helpText = null === $helpText ? strip_tags($this->helpHtml) : (string) $helpText;
56 $this->optional = (bool) $optional;
57 }
58
59 /**
60 * Returns whether the requirement is fulfilled.
61 *
62 * @return bool true if fulfilled, otherwise false
63 */
64 public function isFulfilled()
65 {
66 return $this->fulfilled;
67 }
68
69 /**
70 * Returns the message for testing the requirement.
71 *
72 * @return string The test message
73 */
74 public function getTestMessage()
75 {
76 return $this->testMessage;
77 }
78
79 /**
80 * Returns the help text for resolving the problem
81 *
82 * @return string The help text
83 */
84 public function getHelpText()
85 {
86 return $this->helpText;
87 }
88
89 /**
90 * Returns the help text formatted in HTML.
91 *
92 * @return string The HTML help
93 */
94 public function getHelpHtml()
95 {
96 return $this->helpHtml;
97 }
98
99 /**
100 * Returns whether this is only an optional recommendation and not a mandatory requirement.
101 *
102 * @return bool true if optional, false if mandatory
103 */
104 public function isOptional()
105 {
106 return $this->optional;
107 }
108 }
109
110 /**
111 * Represents a PHP requirement in form of a php.ini configuration.
112 *
113 * @author Tobias Schultze <http://tobion.de>
114 */
115 class PhpIniRequirement extends Requirement
116 {
117 /**
118 * Constructor that initializes the requirement.
119 *
120 * @param string $cfgName The configuration name used for ini_get()
121 * @param bool|callback $evaluation Either a boolean indicating whether the configuration should evaluate to true or false,
122 or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
123 * @param bool $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
124 This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
125 Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
126 * @param string|null $testMessage The message for testing the requirement (when null and $evaluation is a boolean a default message is derived)
127 * @param string|null $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a boolean a default help is derived)
128 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
129 * @param bool $optional Whether this is only an optional recommendation not a mandatory requirement
130 */
131 public function __construct($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null, $optional = false)
132 {
133 $cfgValue = ini_get($cfgName);
134
135 if (is_callable($evaluation)) {
136 if (null === $testMessage || null === $helpHtml) {
137 throw new InvalidArgumentException('You must provide the parameters testMessage and helpHtml for a callback evaluation.');
138 }
139
140 $fulfilled = call_user_func($evaluation, $cfgValue);
141 } else {
142 if (null === $testMessage) {
143 $testMessage = sprintf('%s %s be %s in php.ini',
144 $cfgName,
145 $optional ? 'should' : 'must',
146 $evaluation ? 'enabled' : 'disabled'
147 );
148 }
149
150 if (null === $helpHtml) {
151 $helpHtml = sprintf('Set <strong>%s</strong> to <strong>%s</strong> in php.ini<a href="#phpini">*</a>.',
152 $cfgName,
153 $evaluation ? 'on' : 'off'
154 );
155 }
156
157 $fulfilled = $evaluation == $cfgValue;
158 }
159
160 parent::__construct($fulfilled || ($approveCfgAbsence && false === $cfgValue), $testMessage, $helpHtml, $helpText, $optional);
161 }
162 }
163
164 /**
165 * A RequirementCollection represents a set of Requirement instances.
166 *
167 * @author Tobias Schultze <http://tobion.de>
168 */
169 class RequirementCollection implements IteratorAggregate
170 {
171 private $requirements = array();
172
173 /**
174 * Gets the current RequirementCollection as an Iterator.
175 *
176 * @return Traversable A Traversable interface
177 */
178 public function getIterator()
179 {
180 return new ArrayIterator($this->requirements);
181 }
182
183 /**
184 * Adds a Requirement.
185 *
186 * @param Requirement $requirement A Requirement instance
187 */
188 public function add(Requirement $requirement)
189 {
190 $this->requirements[] = $requirement;
191 }
192
193 /**
194 * Adds a mandatory requirement.
195 *
196 * @param bool $fulfilled Whether the requirement is fulfilled
197 * @param string $testMessage The message for testing the requirement
198 * @param string $helpHtml The help text formatted in HTML for resolving the problem
199 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
200 */
201 public function addRequirement($fulfilled, $testMessage, $helpHtml, $helpText = null)
202 {
203 $this->add(new Requirement($fulfilled, $testMessage, $helpHtml, $helpText, false));
204 }
205
206 /**
207 * Adds an optional recommendation.
208 *
209 * @param bool $fulfilled Whether the recommendation is fulfilled
210 * @param string $testMessage The message for testing the recommendation
211 * @param string $helpHtml The help text formatted in HTML for resolving the problem
212 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
213 */
214 public function addRecommendation($fulfilled, $testMessage, $helpHtml, $helpText = null)
215 {
216 $this->add(new Requirement($fulfilled, $testMessage, $helpHtml, $helpText, true));
217 }
218
219 /**
220 * Adds a mandatory requirement in form of a php.ini configuration.
221 *
222 * @param string $cfgName The configuration name used for ini_get()
223 * @param bool|callback $evaluation Either a boolean indicating whether the configuration should evaluate to true or false,
224 or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
225 * @param bool $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
226 This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
227 Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
228 * @param string $testMessage The message for testing the requirement (when null and $evaluation is a boolean a default message is derived)
229 * @param string $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a boolean a default help is derived)
230 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
231 */
232 public function addPhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null)
233 {
234 $this->add(new PhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence, $testMessage, $helpHtml, $helpText, false));
235 }
236
237 /**
238 * Adds an optional recommendation in form of a php.ini configuration.
239 *
240 * @param string $cfgName The configuration name used for ini_get()
241 * @param bool|callback $evaluation Either a boolean indicating whether the configuration should evaluate to true or false,
242 or a callback function receiving the configuration value as parameter to determine the fulfillment of the requirement
243 * @param bool $approveCfgAbsence If true the Requirement will be fulfilled even if the configuration option does not exist, i.e. ini_get() returns false.
244 This is helpful for abandoned configs in later PHP versions or configs of an optional extension, like Suhosin.
245 Example: You require a config to be true but PHP later removes this config and defaults it to true internally.
246 * @param string $testMessage The message for testing the requirement (when null and $evaluation is a boolean a default message is derived)
247 * @param string $helpHtml The help text formatted in HTML for resolving the problem (when null and $evaluation is a boolean a default help is derived)
248 * @param string|null $helpText The help text (when null, it will be inferred from $helpHtml, i.e. stripped from HTML tags)
249 */
250 public function addPhpIniRecommendation($cfgName, $evaluation, $approveCfgAbsence = false, $testMessage = null, $helpHtml = null, $helpText = null)
251 {
252 $this->add(new PhpIniRequirement($cfgName, $evaluation, $approveCfgAbsence, $testMessage, $helpHtml, $helpText, true));
253 }
254
255 /**
256 * Adds a requirement collection to the current set of requirements.
257 *
258 * @param RequirementCollection $collection A RequirementCollection instance
259 */
260 public function addCollection(RequirementCollection $collection)
261 {
262 $this->requirements = array_merge($this->requirements, $collection->all());
263 }
264
265 /**
266 * Returns both requirements and recommendations.
267 *
268 * @return array Array of Requirement instances
269 */
270 public function all()
271 {
272 return $this->requirements;
273 }
274
275 /**
276 * Returns all mandatory requirements.
277 *
278 * @return array Array of Requirement instances
279 */
280 public function getRequirements()
281 {
282 $array = array();
283 foreach ($this->requirements as $req) {
284 if (!$req->isOptional()) {
285 $array[] = $req;
286 }
287 }
288
289 return $array;
290 }
291
292 /**
293 * Returns the mandatory requirements that were not met.
294 *
295 * @return array Array of Requirement instances
296 */
297 public function getFailedRequirements()
298 {
299 $array = array();
300 foreach ($this->requirements as $req) {
301 if (!$req->isFulfilled() && !$req->isOptional()) {
302 $array[] = $req;
303 }
304 }
305
306 return $array;
307 }
308
309 /**
310 * Returns all optional recommendations.
311 *
312 * @return array Array of Requirement instances
313 */
314 public function getRecommendations()
315 {
316 $array = array();
317 foreach ($this->requirements as $req) {
318 if ($req->isOptional()) {
319 $array[] = $req;
320 }
321 }
322
323 return $array;
324 }
325
326 /**
327 * Returns the recommendations that were not met.
328 *
329 * @return array Array of Requirement instances
330 */
331 public function getFailedRecommendations()
332 {
333 $array = array();
334 foreach ($this->requirements as $req) {
335 if (!$req->isFulfilled() && $req->isOptional()) {
336 $array[] = $req;
337 }
338 }
339
340 return $array;
341 }
342
343 /**
344 * Returns whether a php.ini configuration is not correct.
345 *
346 * @return bool php.ini configuration problem?
347 */
348 public function hasPhpIniConfigIssue()
349 {
350 foreach ($this->requirements as $req) {
351 if (!$req->isFulfilled() && $req instanceof PhpIniRequirement) {
352 return true;
353 }
354 }
355
356 return false;
357 }
358
359 /**
360 * Returns the PHP configuration file (php.ini) path.
361 *
362 * @return string|false php.ini file path
363 */
364 public function getPhpIniConfigPath()
365 {
366 return get_cfg_var('cfg_file_path');
367 }
368 }
369
370 /**
371 * This class specifies all requirements and optional recommendations that
372 * are necessary to run the Symfony Standard Edition.
373 *
374 * @author Tobias Schultze <http://tobion.de>
375 * @author Fabien Potencier <fabien@symfony.com>
376 */
377 class SymfonyRequirements extends RequirementCollection
378 {
379 const REQUIRED_PHP_VERSION = '5.3.3';
380
381 /**
382 * Constructor that initializes the requirements.
383 */
384 public function __construct()
385 {
386 /* mandatory requirements follow */
387
388 $installedPhpVersion = phpversion();
389
390 $this->addRequirement(
391 version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>='),
392 sprintf('PHP version must be at least %s (%s installed)', self::REQUIRED_PHP_VERSION, $installedPhpVersion),
393 sprintf('You are running PHP version "<strong>%s</strong>", but Symfony needs at least PHP "<strong>%s</strong>" to run.
394 Before using Symfony, upgrade your PHP installation, preferably to the latest version.',
395 $installedPhpVersion, self::REQUIRED_PHP_VERSION),
396 sprintf('Install PHP %s or newer (installed version is %s)', self::REQUIRED_PHP_VERSION, $installedPhpVersion)
397 );
398
399 $this->addRequirement(
400 version_compare($installedPhpVersion, '5.3.16', '!='),
401 'PHP version must not be 5.3.16 as Symfony won\'t work properly with it',
402 'Install PHP 5.3.17 or newer (or downgrade to an earlier PHP version)'
403 );
404
405 $this->addRequirement(
406 is_dir(__DIR__.'/../vendor/composer'),
407 'Vendor libraries must be installed',
408 'Vendor libraries are missing. Install composer following instructions from <a href="http://getcomposer.org/">http://getcomposer.org/</a>. '.
409 'Then run "<strong>php composer.phar install</strong>" to install them.'
410 );
411
412 $cacheDir = is_dir(__DIR__.'/../var/cache') ? __DIR__.'/../var/cache' : __DIR__.'/cache';
413
414 $this->addRequirement(
415 is_writable($cacheDir),
416 'app/cache/ or var/cache/ directory must be writable',
417 'Change the permissions of either "<strong>app/cache/</strong>" or "<strong>var/cache/</strong>" directory so that the web server can write into it.'
418 );
419
420 $logsDir = is_dir(__DIR__.'/../var/logs') ? __DIR__.'/../var/logs' : __DIR__.'/logs';
421
422 $this->addRequirement(
423 is_writable($logsDir),
424 'app/logs/ or var/logs/ directory must be writable',
425 'Change the permissions of either "<strong>app/logs/</strong>" or "<strong>var/logs/</strong>" directory so that the web server can write into it.'
426 );
427
428 $this->addPhpIniRequirement(
429 'date.timezone', true, false,
430 'date.timezone setting must be set',
431 'Set the "<strong>date.timezone</strong>" setting in php.ini<a href="#phpini">*</a> (like Europe/Paris).'
432 );
433
434 if (version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>=')) {
435 $timezones = array();
436 foreach (DateTimeZone::listAbbreviations() as $abbreviations) {
437 foreach ($abbreviations as $abbreviation) {
438 $timezones[$abbreviation['timezone_id']] = true;
439 }
440 }
441
442 $this->addRequirement(
443 isset($timezones[@date_default_timezone_get()]),
444 sprintf('Configured default timezone "%s" must be supported by your installation of PHP', @date_default_timezone_get()),
445 'Your default timezone is not supported by PHP. Check for typos in your <strong>php.ini</strong> file and have a look at the list of deprecated timezones at <a href="http://php.net/manual/en/timezones.others.php">http://php.net/manual/en/timezones.others.php</a>.'
446 );
447 }
448
449 $this->addRequirement(
450 function_exists('json_encode'),
451 'json_encode() must be available',
452 'Install and enable the <strong>JSON</strong> extension.'
453 );
454
455 $this->addRequirement(
456 function_exists('session_start'),
457 'session_start() must be available',
458 'Install and enable the <strong>session</strong> extension.'
459 );
460
461 $this->addRequirement(
462 function_exists('ctype_alpha'),
463 'ctype_alpha() must be available',
464 'Install and enable the <strong>ctype</strong> extension.'
465 );
466
467 $this->addRequirement(
468 function_exists('token_get_all'),
469 'token_get_all() must be available',
470 'Install and enable the <strong>Tokenizer</strong> extension.'
471 );
472
473 $this->addRequirement(
474 function_exists('simplexml_import_dom'),
475 'simplexml_import_dom() must be available',
476 'Install and enable the <strong>SimpleXML</strong> extension.'
477 );
478
479 if (function_exists('apc_store') && ini_get('apc.enabled')) {
480 if (version_compare($installedPhpVersion, '5.4.0', '>=')) {
481 $this->addRequirement(
482 version_compare(phpversion('apc'), '3.1.13', '>='),
483 'APC version must be at least 3.1.13 when using PHP 5.4',
484 'Upgrade your <strong>APC</strong> extension (3.1.13+).'
485 );
486 } else {
487 $this->addRequirement(
488 version_compare(phpversion('apc'), '3.0.17', '>='),
489 'APC version must be at least 3.0.17',
490 'Upgrade your <strong>APC</strong> extension (3.0.17+).'
491 );
492 }
493 }
494
495 $this->addPhpIniRequirement('detect_unicode', false);
496
497 if (extension_loaded('suhosin')) {
498 $this->addPhpIniRequirement(
499 'suhosin.executor.include.whitelist',
500 create_function('$cfgValue', 'return false !== stripos($cfgValue, "phar");'),
501 false,
502 'suhosin.executor.include.whitelist must be configured correctly in php.ini',
503 'Add "<strong>phar</strong>" to <strong>suhosin.executor.include.whitelist</strong> in php.ini<a href="#phpini">*</a>.'
504 );
505 }
506
507 if (extension_loaded('xdebug')) {
508 $this->addPhpIniRequirement(
509 'xdebug.show_exception_trace', false, true
510 );
511
512 $this->addPhpIniRequirement(
513 'xdebug.scream', false, true
514 );
515
516 $this->addPhpIniRecommendation(
517 'xdebug.max_nesting_level',
518 create_function('$cfgValue', 'return $cfgValue > 100;'),
519 true,
520 'xdebug.max_nesting_level should be above 100 in php.ini',
521 'Set "<strong>xdebug.max_nesting_level</strong>" to e.g. "<strong>250</strong>" in php.ini<a href="#phpini">*</a> to stop Xdebug\'s infinite recursion protection erroneously throwing a fatal error in your project.'
522 );
523 }
524
525 $pcreVersion = defined('PCRE_VERSION') ? (float) PCRE_VERSION : null;
526
527 $this->addRequirement(
528 null !== $pcreVersion,
529 'PCRE extension must be available',
530 'Install the <strong>PCRE</strong> extension (version 8.0+).'
531 );
532
533 if (extension_loaded('mbstring')) {
534 $this->addPhpIniRequirement(
535 'mbstring.func_overload',
536 create_function('$cfgValue', 'return (int) $cfgValue === 0;'),
537 true,
538 'string functions should not be overloaded',
539 'Set "<strong>mbstring.func_overload</strong>" to <strong>0</strong> in php.ini<a href="#phpini">*</a> to disable function overloading by the mbstring extension.'
540 );
541 }
542
543 /* optional recommendations follow */
544
545 $this->addRecommendation(
546 file_get_contents(__FILE__) === file_get_contents(__DIR__.'/../vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/skeleton/app/SymfonyRequirements.php'),
547 'Requirements file should be up-to-date',
548 'Your requirements file is outdated. Run composer install and re-check your configuration.'
549 );
550
551 $this->addRecommendation(
552 version_compare($installedPhpVersion, '5.3.4', '>='),
553 'You should use at least PHP 5.3.4 due to PHP bug #52083 in earlier versions',
554 'Your project might malfunction randomly due to PHP bug #52083 ("Notice: Trying to get property of non-object"). Install PHP 5.3.4 or newer.'
555 );
556
557 $this->addRecommendation(
558 version_compare($installedPhpVersion, '5.3.8', '>='),
559 'When using annotations you should have at least PHP 5.3.8 due to PHP bug #55156',
560 'Install PHP 5.3.8 or newer if your project uses annotations.'
561 );
562
563 $this->addRecommendation(
564 version_compare($installedPhpVersion, '5.4.0', '!='),
565 'You should not use PHP 5.4.0 due to the PHP bug #61453',
566 'Your project might not work properly due to the PHP bug #61453 ("Cannot dump definitions which have method calls"). Install PHP 5.4.1 or newer.'
567 );
568
569 $this->addRecommendation(
570 version_compare($installedPhpVersion, '5.4.11', '>='),
571 'When using the logout handler from the Symfony Security Component, you should have at least PHP 5.4.11 due to PHP bug #63379 (as a workaround, you can also set invalidate_session to false in the security logout handler configuration)',
572 'Install PHP 5.4.11 or newer if your project uses the logout handler from the Symfony Security Component.'
573 );
574
575 $this->addRecommendation(
576 (version_compare($installedPhpVersion, '5.3.18', '>=') && version_compare($installedPhpVersion, '5.4.0', '<'))
577 ||
578 version_compare($installedPhpVersion, '5.4.8', '>='),
579 'You should use PHP 5.3.18+ or PHP 5.4.8+ to always get nice error messages for fatal errors in the development environment due to PHP bug #61767/#60909',
580 'Install PHP 5.3.18+ or PHP 5.4.8+ if you want nice error messages for all fatal errors in the development environment.'
581 );
582
583 if (null !== $pcreVersion) {
584 $this->addRecommendation(
585 $pcreVersion >= 8.0,
586 sprintf('PCRE extension should be at least version 8.0 (%s installed)', $pcreVersion),
587 '<strong>PCRE 8.0+</strong> is preconfigured in PHP since 5.3.2 but you are using an outdated version of it. Symfony probably works anyway but it is recommended to upgrade your PCRE extension.'
588 );
589 }
590
591 $this->addRecommendation(
592 class_exists('DomDocument'),
593 'PHP-DOM and PHP-XML modules should be installed',
594 'Install and enable the <strong>PHP-DOM</strong> and the <strong>PHP-XML</strong> modules.'
595 );
596
597 $this->addRecommendation(
598 function_exists('mb_strlen'),
599 'mb_strlen() should be available',
600 'Install and enable the <strong>mbstring</strong> extension.'
601 );
602
603 $this->addRecommendation(
604 function_exists('iconv'),
605 'iconv() should be available',
606 'Install and enable the <strong>iconv</strong> extension.'
607 );
608
609 $this->addRecommendation(
610 function_exists('utf8_decode'),
611 'utf8_decode() should be available',
612 'Install and enable the <strong>XML</strong> extension.'
613 );
614
615 $this->addRecommendation(
616 function_exists('filter_var'),
617 'filter_var() should be available',
618 'Install and enable the <strong>filter</strong> extension.'
619 );
620
621 if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
622 $this->addRecommendation(
623 function_exists('posix_isatty'),
624 'posix_isatty() should be available',
625 'Install and enable the <strong>php_posix</strong> extension (used to colorize the CLI output).'
626 );
627 }
628
629 $this->addRecommendation(
630 class_exists('Locale'),
631 'intl extension should be available',
632 'Install and enable the <strong>intl</strong> extension (used for validators).'
633 );
634
635 if (class_exists('Collator')) {
636 $this->addRecommendation(
637 null !== new Collator('fr_FR'),
638 'intl extension should be correctly configured',
639 'The intl extension does not behave properly. This problem is typical on PHP 5.3.X x64 WIN builds.'
640 );
641 }
642
643 if (class_exists('Locale')) {
644 if (defined('INTL_ICU_VERSION')) {
645 $version = INTL_ICU_VERSION;
646 } else {
647 $reflector = new ReflectionExtension('intl');
648
649 ob_start();
650 $reflector->info();
651 $output = strip_tags(ob_get_clean());
652
653 preg_match('/^ICU version +(?:=> )?(.*)$/m', $output, $matches);
654 $version = $matches[1];
655 }
656
657 $this->addRecommendation(
658 version_compare($version, '4.0', '>='),
659 'intl ICU version should be at least 4+',
660 'Upgrade your <strong>intl</strong> extension with a newer ICU version (4+).'
661 );
662 }
663
664 $accelerator =
665 (extension_loaded('eaccelerator') && ini_get('eaccelerator.enable'))
666 ||
667 (extension_loaded('apc') && ini_get('apc.enabled'))
668 ||
669 (extension_loaded('Zend Optimizer+') && ini_get('zend_optimizerplus.enable'))
670 ||
671 (extension_loaded('Zend OPcache') && ini_get('opcache.enable'))
672 ||
673 (extension_loaded('xcache') && ini_get('xcache.cacher'))
674 ||
675 (extension_loaded('wincache') && ini_get('wincache.ocenabled'))
676 ;
677
678 $this->addRecommendation(
679 $accelerator,
680 'a PHP accelerator should be installed',
681 'Install and/or enable a <strong>PHP accelerator</strong> (highly recommended).'
682 );
683
684 if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
685 $this->addRecommendation(
686 $this->getRealpathCacheSize() > 1000,
687 'realpath_cache_size should be above 1024 in php.ini',
688 'Set "<strong>realpath_cache_size</strong>" to e.g. "<strong>1024</strong>" in php.ini<a href="#phpini">*</a> to improve performance on windows.'
689 );
690 }
691
692 $this->addPhpIniRecommendation('short_open_tag', false);
693
694 $this->addPhpIniRecommendation('magic_quotes_gpc', false, true);
695
696 $this->addPhpIniRecommendation('register_globals', false, true);
697
698 $this->addPhpIniRecommendation('session.auto_start', false);
699
700 $this->addRecommendation(
701 class_exists('PDO'),
702 'PDO should be installed',
703 'Install <strong>PDO</strong> (mandatory for Doctrine).'
704 );
705
706 if (class_exists('PDO')) {
707 $drivers = PDO::getAvailableDrivers();
708 $this->addRecommendation(
709 count($drivers) > 0,
710 sprintf('PDO should have some drivers installed (currently available: %s)', count($drivers) ? implode(', ', $drivers) : 'none'),
711 'Install <strong>PDO drivers</strong> (mandatory for Doctrine).'
712 );
713 }
714 }
715
716 /**
717 * Loads realpath_cache_size from php.ini and converts it to int.
718 *
719 * (e.g. 16k is converted to 16384 int)
720 *
721 * @return int
722 */
723 protected function getRealpathCacheSize()
724 {
725 $size = ini_get('realpath_cache_size');
726 $size = trim($size);
727 $unit = strtolower(substr($size, -1, 1));
728 switch ($unit) {
729 case 'g':
730 return $size * 1024 * 1024 * 1024;
731 case 'm':
732 return $size * 1024 * 1024;
733 case 'k':
734 return $size * 1024;
735 default:
736 return (int) $size;
737 }
738 }
739 }