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Commit Message

minor: Follow PSR12 ordered imports in Symfony ruleset (#6712)

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/src/Fixer/FunctionNotation/NativeFunctionInvocationFixer.php

<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Fixer\FunctionNotation;

use PhpCsFixer\AbstractFixer;
use PhpCsFixer\Fixer\ConfigurableFixerInterface;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolver;
use PhpCsFixer\FixerConfiguration\FixerConfigurationResolverInterface;
use PhpCsFixer\FixerConfiguration\FixerOptionBuilder;
use PhpCsFixer\FixerDefinition\CodeSample;
use PhpCsFixer\FixerDefinition\FixerDefinition;
use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
use PhpCsFixer\Tokenizer\Analyzer\Analysis\NamespaceAnalysis;
use PhpCsFixer\Tokenizer\Analyzer\FunctionsAnalyzer;
use PhpCsFixer\Tokenizer\Analyzer\NamespacesAnalyzer;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException;

/**
 * @author Andreas Möller <am@localheinz.com>
 */
final class NativeFunctionInvocationFixer extends AbstractFixer implements ConfigurableFixerInterface
{
    /**
     * @internal
     */
    public const SET_ALL = '@all';

    /**
     * Subset of SET_INTERNAL.
     *
     * Change function call to functions known to be optimized by the Zend engine.
     * For details:
     * - @see https://github.com/php/php-src/blob/php-7.2.6/Zend/zend_compile.c "zend_try_compile_special_func"
     * - @see https://github.com/php/php-src/blob/php-7.2.6/ext/opcache/Optimizer/pass1_5.c
     *
     * @internal
     */
    public const SET_COMPILER_OPTIMIZED = '@compiler_optimized';

    /**
     * @internal
     */
    public const SET_INTERNAL = '@internal';

    /**
     * @var callable
     */
    private $functionFilter;

    public function configure(array $configuration): void
    {
        parent::configure($configuration);

        $this->functionFilter = $this->getFunctionFilter();
    }

    /**
     * {@inheritdoc}
     */
    public function getDefinition(): FixerDefinitionInterface
    {
        return new FixerDefinition(
            'Add leading `\` before function invocation to speed up resolving.',
            [
                new CodeSample(
                    '<?php

function baz($options)
{
    if (!array_key_exists("foo", $options)) {
        throw new \InvalidArgumentException();
    }

    return json_encode($options);
}
'
                ),
                new CodeSample(
                    '<?php

function baz($options)
{
    if (!array_key_exists("foo", $options)) {
        throw new \InvalidArgumentException();
    }

    return json_encode($options);
}
',
                    [
                        'exclude' => [
                            'json_encode',
                        ],
                    ]
                ),
                new CodeSample(
                    '<?php
namespace space1 {
    echo count([1]);
}
namespace {
    echo count([1]);
}
',
                    ['scope' => 'all']
                ),
                new CodeSample(
                    '<?php
namespace space1 {
    echo count([1]);
}
namespace {
    echo count([1]);
}
',
                    ['scope' => 'namespaced']
                ),
                new CodeSample(
                    '<?php
myGlobalFunction();
count();
',
                    ['include' => ['myGlobalFunction']]
                ),
                new CodeSample(
                    '<?php
myGlobalFunction();
count();
',
                    ['include' => ['@all']]
                ),
                new CodeSample(
                    '<?php
myGlobalFunction();
count();
',
                    ['include' => ['@internal']]
                ),
                new CodeSample(
                    '<?php
$a .= str_repeat($a, 4);
$c = get_class($d);
',
                    ['include' => ['@compiler_optimized']]
                ),
            ],
            null,
            'Risky when any of the functions are overridden.'
        );
    }

    /**
     * {@inheritdoc}
     *
     * Must run before GlobalNamespaceImportFixer.
     * Must run after BacktickToShellExecFixer, RegularCallableCallFixer, StrictParamFixer.
     */
    public function getPriority(): int
    {
        return 1;
    }

    /**
     * {@inheritdoc}
     */
    public function isCandidate(Tokens $tokens): bool
    {
        return $tokens->isTokenKindFound(T_STRING);
    }

    /**
     * {@inheritdoc}
     */
    public function isRisky(): bool
    {
        return true;
    }

    /**
     * {@inheritdoc}
     */
    protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
    {
        if ('all' === $this->configuration['scope']) {
            $this->fixFunctionCalls($tokens, $this->functionFilter, 0, \count($tokens) - 1, false);

            return;
        }

        $namespaces = (new NamespacesAnalyzer())->getDeclarations($tokens);

        // 'scope' is 'namespaced' here
        /** @var NamespaceAnalysis $namespace */
        foreach (array_reverse($namespaces) as $namespace) {
            $this->fixFunctionCalls($tokens, $this->functionFilter, $namespace->getScopeStartIndex(), $namespace->getScopeEndIndex(), $namespace->isGlobalNamespace());
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function createConfigurationDefinition(): FixerConfigurationResolverInterface
    {
        return new FixerConfigurationResolver([
            (new FixerOptionBuilder('exclude', 'List of functions to ignore.'))
                ->setAllowedTypes(['array'])
                ->setAllowedValues([static function (array $value): bool {
                    foreach ($value as $functionName) {
                        if (!\is_string($functionName) || '' === trim($functionName) || trim($functionName) !== $functionName) {
                            throw new InvalidOptionsException(sprintf(
                                'Each element must be a non-empty, trimmed string, got "%s" instead.',
                                get_debug_type($functionName)
                            ));
                        }
                    }

                    return true;
                }])
                ->setDefault([])
                ->getOption(),
            (new FixerOptionBuilder('include', 'List of function names or sets to fix. Defined sets are `@internal` (all native functions), `@all` (all global functions) and `@compiler_optimized` (functions that are specially optimized by Zend).'))
                ->setAllowedTypes(['array'])
                ->setAllowedValues([static function (array $value): bool {
                    foreach ($value as $functionName) {
                        if (!\is_string($functionName) || '' === trim($functionName) || trim($functionName) !== $functionName) {
                            throw new InvalidOptionsException(sprintf(
                                'Each element must be a non-empty, trimmed string, got "%s" instead.',
                                get_debug_type($functionName)
                            ));
                        }

                        $sets = [
                            self::SET_ALL,
                            self::SET_INTERNAL,
                            self::SET_COMPILER_OPTIMIZED,
                        ];

                        if (str_starts_with($functionName, '@') && !\in_array($functionName, $sets, true)) {
                            throw new InvalidOptionsException(sprintf('Unknown set "%s", known sets are "%s".', $functionName, implode('", "', $sets)));
                        }
                    }

                    return true;
                }])
                ->setDefault([self::SET_COMPILER_OPTIMIZED])
                ->getOption(),
            (new FixerOptionBuilder('scope', 'Only fix function calls that are made within a namespace or fix all.'))
                ->setAllowedValues(['all', 'namespaced'])
                ->setDefault('all')
                ->getOption(),
            (new FixerOptionBuilder('strict', 'Whether leading `\` of function call not meant to have it should be removed.'))
                ->setAllowedTypes(['bool'])
                ->setDefault(true)
                ->getOption(),
        ]);
    }

    private function fixFunctionCalls(Tokens $tokens, callable $functionFilter, int $start, int $end, bool $tryToRemove): void
    {
        $functionsAnalyzer = new FunctionsAnalyzer();

        $tokensToInsert = [];
        for ($index = $start; $index < $end; ++$index) {
            if (!$functionsAnalyzer->isGlobalFunctionCall($tokens, $index)) {
                continue;
            }

            $prevIndex = $tokens->getPrevMeaningfulToken($index);

            if (!$functionFilter($tokens[$index]->getContent()) || $tryToRemove) {
                if (false === $this->configuration['strict']) {
                    continue;
                }

                if ($tokens[$prevIndex]->isGivenKind(T_NS_SEPARATOR)) {
                    $tokens->clearTokenAndMergeSurroundingWhitespace($prevIndex);
                }

                continue;
            }

            if ($tokens[$prevIndex]->isGivenKind(T_NS_SEPARATOR)) {
                continue; // do not bother if previous token is already namespace separator
            }

            $tokensToInsert[$index] = new Token([T_NS_SEPARATOR, '\\']);
        }

        $tokens->insertSlices($tokensToInsert);
    }

    private function getFunctionFilter(): callable
    {
        $exclude = $this->normalizeFunctionNames($this->configuration['exclude']);

        if (\in_array(self::SET_ALL, $this->configuration['include'], true)) {
            if (\count($exclude) > 0) {
                return static function (string $functionName) use ($exclude): bool {
                    return !isset($exclude[strtolower($functionName)]);
                };
            }

            return static function (): bool {
                return true;
            };
        }

        $include = [];

        if (\in_array(self::SET_INTERNAL, $this->configuration['include'], true)) {
            $include = $this->getAllInternalFunctionsNormalized();
        } elseif (\in_array(self::SET_COMPILER_OPTIMIZED, $this->configuration['include'], true)) {
            $include = $this->getAllCompilerOptimizedFunctionsNormalized(); // if `@internal` is set all compiler optimized function are already loaded
        }

        foreach ($this->configuration['include'] as $additional) {
            if (!str_starts_with($additional, '@')) {
                $include[strtolower($additional)] = true;
            }
        }

        if (\count($exclude) > 0) {
            return static function (string $functionName) use ($include, $exclude): bool {
                return isset($include[strtolower($functionName)]) && !isset($exclude[strtolower($functionName)]);
            };
        }

        return static function (string $functionName) use ($include): bool {
            return isset($include[strtolower($functionName)]);
        };
    }

    /**
     * @return array<string, true> normalized function names of which the PHP compiler optimizes
     */
    private function getAllCompilerOptimizedFunctionsNormalized(): array
    {
        return $this->normalizeFunctionNames([
            // @see https://github.com/php/php-src/blob/PHP-7.4/Zend/zend_compile.c "zend_try_compile_special_func"
            'array_key_exists',
            'array_slice',
            'assert',
            'boolval',
            'call_user_func',
            'call_user_func_array',
            'chr',
            'count',
            'defined',
            'doubleval',
            'floatval',
            'func_get_args',
            'func_num_args',
            'get_called_class',
            'get_class',
            'gettype',
            'in_array',
            'intval',
            'is_array',
            'is_bool',
            'is_double',
            'is_float',
            'is_int',
            'is_integer',
            'is_long',
            'is_null',
            'is_object',
            'is_real',
            'is_resource',
            'is_scalar',
            'is_string',
            'ord',
            'sizeof',
            'strlen',
            'strval',
            // @see https://github.com/php/php-src/blob/php-7.2.6/ext/opcache/Optimizer/pass1_5.c
            // @see https://github.com/php/php-src/blob/PHP-8.1.2/Zend/Optimizer/block_pass.c
            // @see https://github.com/php/php-src/blob/php-8.1.3/Zend/Optimizer/zend_optimizer.c
            'constant',
            'define',
            'dirname',
            'extension_loaded',
            'function_exists',
            'is_callable',
            'ini_get',
        ]);
    }

    /**
     * @return array<string, true> normalized function names of all internal defined functions
     */
    private function getAllInternalFunctionsNormalized(): array
    {
        return $this->normalizeFunctionNames(get_defined_functions()['internal']);
    }

    /**
     * @param string[] $functionNames
     *
     * @return array<string, true> all function names lower cased
     */
    private function normalizeFunctionNames(array $functionNames): array
    {
        foreach ($functionNames as $index => $functionName) {
            $functionNames[strtolower($functionName)] = true;
            unset($functionNames[$index]);
        }

        return $functionNames;
    }
}

1	<?php
2
3	declare(strict_types=1);
4
5	/*
6	* This file is part of PHP CS Fixer.
7	*
8	* (c) Fabien Potencier <fabien@symfony.com>
9	* Dariusz Rumiński <dariusz.ruminski@gmail.com>
10	*
11	* This source file is subject to the MIT license that is bundled
12	* with this source code in the file LICENSE.
13	*/
14
15	namespace PhpCsFixer\Fixer\FunctionNotation;
16
17	use PhpCsFixer\AbstractFixer;
18	use PhpCsFixer\Fixer\ConfigurableFixerInterface;
19	use PhpCsFixer\FixerConfiguration\FixerConfigurationResolver;
20	use PhpCsFixer\FixerConfiguration\FixerConfigurationResolverInterface;
21	use PhpCsFixer\FixerConfiguration\FixerOptionBuilder;
22	use PhpCsFixer\FixerDefinition\CodeSample;
23	use PhpCsFixer\FixerDefinition\FixerDefinition;
24	use PhpCsFixer\FixerDefinition\FixerDefinitionInterface;
25	use PhpCsFixer\Tokenizer\Analyzer\Analysis\NamespaceAnalysis;
26	use PhpCsFixer\Tokenizer\Analyzer\FunctionsAnalyzer;
27	use PhpCsFixer\Tokenizer\Analyzer\NamespacesAnalyzer;
28	use PhpCsFixer\Tokenizer\Token;
29	use PhpCsFixer\Tokenizer\Tokens;
30	use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException;
31
32	/**
33	* @author Andreas Möller <am@localheinz.com>
34	*/
35	final class NativeFunctionInvocationFixer extends AbstractFixer implements ConfigurableFixerInterface
36	{
37	/**
38	* @internal
39	*/
40	public const SET_ALL = '@all';
41
42	/**
43	* Subset of SET_INTERNAL.
44	*
45	* Change function call to functions known to be optimized by the Zend engine.
46	* For details:
47	* - @see https://github.com/php/php-src/blob/php-7.2.6/Zend/zend_compile.c "zend_try_compile_special_func"
48	* - @see https://github.com/php/php-src/blob/php-7.2.6/ext/opcache/Optimizer/pass1_5.c
49	*
50	* @internal
51	*/
52	public const SET_COMPILER_OPTIMIZED = '@compiler_optimized';
53
54	/**
55	* @internal
56	*/
57	public const SET_INTERNAL = '@internal';
58
59	/**
60	* @var callable
61	*/
62	private $functionFilter;
63
64	public function configure(array $configuration): void
65	{
66	parent::configure($configuration);	48✔
67
68	$this->functionFilter = $this->getFunctionFilter();	48✔
69	}
70
71	/**
72	* {@inheritdoc}
73	*/
74	public function getDefinition(): FixerDefinitionInterface
75	{
76	return new FixerDefinition(	3✔
77	'Add leading `\` before function invocation to speed up resolving.',	3✔
78	[	3✔
79	new CodeSample(	3✔
80	'<?php	3✔
81
82	function baz($options)
83	{
84	if (!array_key_exists("foo", $options)) {
85	throw new \InvalidArgumentException();
86	}
87
88	return json_encode($options);
89	}
90	'	3✔
91	),	3✔
92	new CodeSample(	3✔
93	'<?php	3✔
94
95	function baz($options)
96	{
97	if (!array_key_exists("foo", $options)) {
98	throw new \InvalidArgumentException();
99	}
100
101	return json_encode($options);
102	}
103	',	3✔
104	[	3✔
105	'exclude' => [	3✔
106	'json_encode',	3✔
107	],	3✔
108	]	3✔
109	),	3✔
110	new CodeSample(	3✔
111	'<?php	3✔
112	namespace space1 {
113	echo count([1]);
114	}
115	namespace {
116	echo count([1]);
117	}
118	',	3✔
119	['scope' => 'all']	3✔
120	),	3✔
121	new CodeSample(	3✔
122	'<?php	3✔
123	namespace space1 {
124	echo count([1]);
125	}
126	namespace {
127	echo count([1]);
128	}
129	',	3✔
130	['scope' => 'namespaced']	3✔
131	),	3✔
132	new CodeSample(	3✔
133	'<?php	3✔
134	myGlobalFunction();
135	count();
136	',	3✔
137	['include' => ['myGlobalFunction']]	3✔
138	),	3✔
139	new CodeSample(	3✔
140	'<?php	3✔
141	myGlobalFunction();
142	count();
143	',	3✔
144	['include' => ['@all']]	3✔
145	),	3✔
146	new CodeSample(	3✔
147	'<?php	3✔
148	myGlobalFunction();
149	count();
150	',	3✔
151	['include' => ['@internal']]	3✔
152	),	3✔
153	new CodeSample(	3✔
154	'<?php	3✔
155	$a .= str_repeat($a, 4);
156	$c = get_class($d);
157	',	3✔
158	['include' => ['@compiler_optimized']]	3✔
159	),	3✔
160	],	3✔
161	null,	3✔
162	'Risky when any of the functions are overridden.'	3✔
163	);	3✔
164	}
165
166	/**
167	* {@inheritdoc}
168	*
169	* Must run before GlobalNamespaceImportFixer.
170	* Must run after BacktickToShellExecFixer, RegularCallableCallFixer, StrictParamFixer.
171	*/
172	public function getPriority(): int
173	{
174	return 1;	1✔
175	}
176
177	/**
178	* {@inheritdoc}
179	*/
180	public function isCandidate(Tokens $tokens): bool
181	{
182	return $tokens->isTokenKindFound(T_STRING);	29✔
183	}
184
185	/**
186	* {@inheritdoc}
187	*/
188	public function isRisky(): bool
189	{
190	return true;	1✔
191	}
192
193	/**
194	* {@inheritdoc}
195	*/
196	protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
197	{
198	if ('all' === $this->configuration['scope']) {	29✔
199	$this->fixFunctionCalls($tokens, $this->functionFilter, 0, \count($tokens) - 1, false);	20✔
200
201	return;	20✔
202	}
203
204	$namespaces = (new NamespacesAnalyzer())->getDeclarations($tokens);	10✔
205
206	// 'scope' is 'namespaced' here
207	/** @var NamespaceAnalysis $namespace */
208	foreach (array_reverse($namespaces) as $namespace) {	10✔
209	$this->fixFunctionCalls($tokens, $this->functionFilter, $namespace->getScopeStartIndex(), $namespace->getScopeEndIndex(), $namespace->isGlobalNamespace());	10✔
210	}
211	}
212
213	/**
214	* {@inheritdoc}
215	*/
216	protected function createConfigurationDefinition(): FixerConfigurationResolverInterface
217	{
218	return new FixerConfigurationResolver([	48✔
219	(new FixerOptionBuilder('exclude', 'List of functions to ignore.'))	48✔
220	->setAllowedTypes(['array'])	48✔
221	->setAllowedValues([static function (array $value): bool {	48✔
222	foreach ($value as $functionName) {	48✔
223	if (!\is_string($functionName) \|\| '' === trim($functionName) \|\| trim($functionName) !== $functionName) {	13✔
224	throw new InvalidOptionsException(sprintf(	8✔
225	'Each element must be a non-empty, trimmed string, got "%s" instead.',	8✔
226	get_debug_type($functionName)	8✔
227	));	8✔
228	}
229	}
230
231	return true;	48✔
232	}])	48✔
233	->setDefault([])	48✔
234	->getOption(),	48✔
235	(new FixerOptionBuilder('include', 'List of function names or sets to fix. Defined sets are `@internal` (all native functions), `@all` (all global functions) and `@compiler_optimized` (functions that are specially optimized by Zend).'))	48✔
236	->setAllowedTypes(['array'])	48✔
237	->setAllowedValues([static function (array $value): bool {	48✔
238	foreach ($value as $functionName) {	48✔
239	if (!\is_string($functionName) \|\| '' === trim($functionName) \|\| trim($functionName) !== $functionName) {	48✔
240	throw new InvalidOptionsException(sprintf(	1✔
241	'Each element must be a non-empty, trimmed string, got "%s" instead.',	1✔
242	get_debug_type($functionName)	1✔
243	));	1✔
244	}
245
246	$sets = [	48✔
247	self::SET_ALL,	48✔
248	self::SET_INTERNAL,	48✔
249	self::SET_COMPILER_OPTIMIZED,	48✔
250	];	48✔
251
252	if (str_starts_with($functionName, '@') && !\in_array($functionName, $sets, true)) {	48✔
253	throw new InvalidOptionsException(sprintf('Unknown set "%s", known sets are "%s".', $functionName, implode('", "', $sets)));	1✔
254	}
255	}
256
257	return true;	48✔
258	}])	48✔
259	->setDefault([self::SET_COMPILER_OPTIMIZED])	48✔
260	->getOption(),	48✔
261	(new FixerOptionBuilder('scope', 'Only fix function calls that are made within a namespace or fix all.'))	48✔
262	->setAllowedValues(['all', 'namespaced'])	48✔
263	->setDefault('all')	48✔
264	->getOption(),	48✔
265	(new FixerOptionBuilder('strict', 'Whether leading `\` of function call not meant to have it should be removed.'))	48✔
266	->setAllowedTypes(['bool'])	48✔
267	->setDefault(true)	48✔
268	->getOption(),	48✔
269	]);	48✔
270	}
271
272	private function fixFunctionCalls(Tokens $tokens, callable $functionFilter, int $start, int $end, bool $tryToRemove): void
273	{
274	$functionsAnalyzer = new FunctionsAnalyzer();	29✔
275
276	$tokensToInsert = [];	29✔
277	for ($index = $start; $index < $end; ++$index) {	29✔
278	if (!$functionsAnalyzer->isGlobalFunctionCall($tokens, $index)) {	29✔
279	continue;	29✔
280	}
281
282	$prevIndex = $tokens->getPrevMeaningfulToken($index);	24✔
283
284	if (!$functionFilter($tokens[$index]->getContent()) \|\| $tryToRemove) {	24✔
285	if (false === $this->configuration['strict']) {	14✔
286	continue;	×
287	}
288
289	if ($tokens[$prevIndex]->isGivenKind(T_NS_SEPARATOR)) {	14✔
290	$tokens->clearTokenAndMergeSurroundingWhitespace($prevIndex);	2✔
291	}
292
293	continue;	14✔
294	}
295
296	if ($tokens[$prevIndex]->isGivenKind(T_NS_SEPARATOR)) {	19✔
297	continue; // do not bother if previous token is already namespace separator	18✔
298	}
299
300	$tokensToInsert[$index] = new Token([T_NS_SEPARATOR, '\\']);	17✔
301	}
302
303	$tokens->insertSlices($tokensToInsert);	29✔
304	}
305
306	private function getFunctionFilter(): callable
307	{
308	$exclude = $this->normalizeFunctionNames($this->configuration['exclude']);	48✔
309
310	if (\in_array(self::SET_ALL, $this->configuration['include'], true)) {	48✔
311	if (\count($exclude) > 0) {	6✔
312	return static function (string $functionName) use ($exclude): bool {	×
313	return !isset($exclude[strtolower($functionName)]);	×
314	};	×
315	}
316
317	return static function (): bool {	6✔
318	return true;	2✔
319	};	6✔
320	}
321
322	$include = [];	48✔
323
324	if (\in_array(self::SET_INTERNAL, $this->configuration['include'], true)) {	48✔
325	$include = $this->getAllInternalFunctionsNormalized();	2✔
326	} elseif (\in_array(self::SET_COMPILER_OPTIMIZED, $this->configuration['include'], true)) {	48✔
327	$include = $this->getAllCompilerOptimizedFunctionsNormalized(); // if `@internal` is set all compiler optimized function are already loaded	48✔
328	}
329
330	foreach ($this->configuration['include'] as $additional) {	48✔
331	if (!str_starts_with($additional, '@')) {	48✔
332	$include[strtolower($additional)] = true;	3✔
333	}
334	}
335
336	if (\count($exclude) > 0) {	48✔
337	return static function (string $functionName) use ($include, $exclude): bool {	5✔
338	return isset($include[strtolower($functionName)]) && !isset($exclude[strtolower($functionName)]);	5✔
339	};	5✔
340	}
341
342	return static function (string $functionName) use ($include): bool {	48✔
343	return isset($include[strtolower($functionName)]);	20✔
344	};	48✔
345	}
346
347	/**
348	* @return array<string, true> normalized function names of which the PHP compiler optimizes
349	*/
350	private function getAllCompilerOptimizedFunctionsNormalized(): array
351	{
352	return $this->normalizeFunctionNames([	48✔
353	// @see https://github.com/php/php-src/blob/PHP-7.4/Zend/zend_compile.c "zend_try_compile_special_func"
354	'array_key_exists',	48✔
355	'array_slice',	48✔
356	'assert',	48✔
357	'boolval',	48✔
358	'call_user_func',	48✔
359	'call_user_func_array',	48✔
360	'chr',	48✔
361	'count',	48✔
362	'defined',	48✔
363	'doubleval',	48✔
364	'floatval',	48✔
365	'func_get_args',	48✔
366	'func_num_args',	48✔
367	'get_called_class',	48✔
368	'get_class',	48✔
369	'gettype',	48✔
370	'in_array',	48✔
371	'intval',	48✔
372	'is_array',	48✔
373	'is_bool',	48✔
374	'is_double',	48✔
375	'is_float',	48✔
376	'is_int',	48✔
377	'is_integer',	48✔
378	'is_long',	48✔
379	'is_null',	48✔
380	'is_object',	48✔
381	'is_real',	48✔
382	'is_resource',	48✔
383	'is_scalar',	48✔
384	'is_string',	48✔
385	'ord',	48✔
386	'sizeof',	48✔
387	'strlen',	48✔
388	'strval',	48✔
389	// @see https://github.com/php/php-src/blob/php-7.2.6/ext/opcache/Optimizer/pass1_5.c
390	// @see https://github.com/php/php-src/blob/PHP-8.1.2/Zend/Optimizer/block_pass.c
391	// @see https://github.com/php/php-src/blob/php-8.1.3/Zend/Optimizer/zend_optimizer.c
392	'constant',	48✔
393	'define',	48✔
394	'dirname',	48✔
395	'extension_loaded',	48✔
396	'function_exists',	48✔
397	'is_callable',	48✔
398	'ini_get',	48✔
399	]);	48✔
400	}
401
402	/**
403	* @return array<string, true> normalized function names of all internal defined functions
404	*/
405	private function getAllInternalFunctionsNormalized(): array
406	{
407	return $this->normalizeFunctionNames(get_defined_functions()['internal']);	2✔
408	}
409
410	/**
411	* @param string[] $functionNames
412	*
413	* @return array<string, true> all function names lower cased
414	*/
415	private function normalizeFunctionNames(array $functionNames): array
416	{
417	foreach ($functionNames as $index => $functionName) {	48✔
418	$functionNames[strtolower($functionName)] = true;	48✔
419	unset($functionNames[$index]);	48✔
420	}
421
422	return $functionNames;	48✔
423	}
424	}

PHP-CS-Fixer / PHP-CS-Fixer / 3721300657

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