Executor::getVariables() - Code Metrics - platine-php/expression - Measure and Improve Code Quality continuously with Scrutinizer

Executor::getVariables() A
last analyzed 2025-05-19 09:22 UTC

↳ Parent: Executor

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	1
c	1
b	0
f	0
dl	0
loc	3
rs	10
cc	1
nc	1
nop	0

<?php

/**
 * Platine Expression
 *
 * Platine Expression is an expression parser, evaluator with support of custom
 * operators and functions
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2020 Platine Expression
 * Copyright (c) Alexander Kiryukhin
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/**
 * @file Executor.php
 *
 * The Executor class
 *
 *  @package    Platine\Expression
 *  @author Platine Developers Team
 *  @copyright  Copyright (c) 2020
 *  @license    http://opensource.org/licenses/MIT  MIT License
 *  @link   https://www.platine-php.com
 *  @version 1.0.0
 *  @filesource
 */
declare(strict_types=1);

namespace Platine\Expression;

use InvalidArgumentException;
use Platine\Expression\Exception\DivisionByZeroException;
use Platine\Expression\Exception\UnknownVariableException;

/**
 * @class Executor
 * @package Platine\Expression
 */
class Executor
{
    /**
     * The variable list
     * @var array<string, mixed>
     */
    protected array $variables = [];

    /**
     * The callable that will be called if variable not found
     * @var callable|null
     */
    protected $variableNotFoundHandler = null;

    /**
     * The callable that will be called for variable validation
     * @var callable|null
     */
    protected $variableValidationHandler = null;

    /**
     * The list of operators
     * @var array<string, Operator>
     */
    protected array $operators = [];

    /**
     * The list of functions
     * @var array<string, CustomFunction>
     */
    protected array $functions = [];

    /**
     * The list of cache
     * @var array<string, Token[]>
     */
    protected array $caches = [];

    /**
     * Create new instance
     */
    public function __construct()
    {
        $this->addDefaults();
    }

    /**
     * When do clone of this object
     */
    public function __clone()
    {
        $this->addDefaults();
    }

    /**
     * Execute the expression and return the result
     * @param string $expression
     * @param bool $cache
     * @return mixed
     */
    public function execute(string $expression, bool $cache = true): mixed
    {
        $cacheKey = $expression;
        if (!array_key_exists($cacheKey, $this->caches)) {
            $tokens = (new Tokenizer($expression, $this->operators))
                       ->tokenize()
                       ->buildReversePolishNotation();

            if ($cache) {
                $this->caches[$cacheKey] = $tokens;
            }
        } else {
            $tokens = $this->caches[$cacheKey];
        }

        $calculator = new Calculator($this->functions, $this->operators);

        return $calculator->calculate(
            $tokens,
            $this->variables,
            $this->variableNotFoundHandler
        );
    }

    /**
     * Add new operator
     * @param Operator $operator
     * @return $this
     */
    public function addOperator(Operator $operator): self
    {
        $this->operators[$operator->getOperator()] = $operator;
        return $this;
    }

    /**
     * Add new function
     * @param string $name
     * @param callable $function
     * @return $this
     */
    public function addFunction(string $name, callable $function): self
    {
        $this->functions[$name] = new CustomFunction($name, $function);
        return $this;
    }

    /**
     * Return the list of variables
     * @return array<string, int|float>
     */
    public function getVariables(): array
    {
        return $this->variables;
    }

    /**
     * Return the value for the given variable name
     * @param string $name
     * @return mixed
     */
    public function getVariable(string $name): mixed
    {
        if (! array_key_exists($name, $this->variables)) {
            if ($this->variableNotFoundHandler !== null) {
                return call_user_func($this->variableNotFoundHandler, $name);
            }

            throw new UnknownVariableException(sprintf(
                'Unknown variable [%s]',
                $name
            ));
        }

        return $this->variables[$name];
    }

    /**
     * Set the variable to be used later
     * @param string $name
     * @param mixed $value
     * @return $this
     */
    public function setVariable(string $name, mixed $value): self
    {
        if ($this->variableValidationHandler !== null) {
            call_user_func($this->variableValidationHandler, $name, $value);
        }
        $this->variables[$name] = $value;

        return $this;
    }

    /**
     * Set the variables using array
     * @param array<string, mixed> $variables
     * @param bool $clear whether to clear all existing variables
     * @return $this
     */
    public function setVariables(array $variables, bool $clear = true): self
    {
        if ($clear) {
            $this->clearVariables();
        }

        foreach ($variables as $name => $value) {
            $this->setVariable($name, $value);
        }

        return $this;
    }

    /**
     * Check whether the given variable exists
     * @param string $name
     * @return bool
     */
    public function variableExist(string $name): bool
    {
        return array_key_exists($name, $this->variables);
    }

    /**
     * Remove the given variable
     * @param string $name
     * @return $this
     */
    public function removeVariable(string $name): self
    {
        unset($this->variables[$name]);

        return $this;
    }

    /**
     * Remove the given operator
     * @param string $name
     * @return $this
     */
    public function removeOperator(string $name): self
    {
        unset($this->operators[$name]);

        return $this;
    }

    /**
     * Clear all variables
     * @return $this
     */
    public function clearVariables(): self
    {
        $this->variables = [];
        $this->variableNotFoundHandler = null;

        return $this;
    }

    /**
     * Set the callable to be used for variable not found
     * @param callable $handler
     * @return $this
     */
    public function setVariableNotFoundHandler(callable $handler): self
    {
        $this->variableNotFoundHandler = $handler;
        return $this;
    }

    /**
     * Set the callable to be used for variable validation
     * @param callable $handler
     * @return $this
     */
    public function setVariableValidationHandler(callable $handler): self
    {
        $this->variableValidationHandler = $handler;
        return $this;
    }

    /**
     * Return the variable not found handler
     * @return callable|null
     */
    public function getVariableNotFoundHandler(): ?callable
    {
        return $this->variableNotFoundHandler;
    }

    /**
     * Return the variable validation handler
     * @return callable|null
     */
    public function getVariableValidationHandler(): ?callable
    {
        return $this->variableValidationHandler;
    }

    /**
     * Return the list of caches
     * @return array<string, Token[]>
     */
    public function getCaches(): array
    {
        return $this->caches;
    }


    /**
     * Return the list of operators
     * @return array<string, Operator>
     */
    public function getOperators(): array
    {
        return $this->operators;
    }

    /**
     * Return the list of functions
     * @return array<string, CustomFunction>
     */
    public function getFunctions(): array
    {
        return $this->functions;
    }


    /**
     * Add the default values like variables, operators, functions
     * @return $this
     */
    protected function addDefaults(): self
    {
        foreach ($this->defaultOperators() as $name => $operator) {
            [$callable, $priority, $isRightAssociative] = $operator;
            $this->addOperator(new Operator($name, $isRightAssociative, $priority, $callable));
        }

        foreach ($this->defaultFunctions() as $name => $callable) {
            $this->addFunction($name, $callable);
        }

        $this->variables = $this->defaultVariables();

        return $this;
    }

    /**
     * Return the list of default operators
     * @return array<string, array{callable, int, bool}>

     */
    protected function defaultOperators(): array
    {
        return [
            '+' => [static fn($a, $b) => $a + $b, 170, false],
            '-' => [static fn($a, $b) => $a - $b, 170, false],
            // unary positive token
            'uPos' => [static fn($a) => $a, 200, false],
            // unary minus token
            'uNeg' => [static fn($a) => 0 - $a, 200, false],
            '*' => [static fn($a, $b) => $a * $b, 180, false],
            '/' => [
                static function ($a, $b) {
                    if ($b == 0) {
                        throw new DivisionByZeroException();
                    }

                    return $a / $b;
                },
                180,
                false
            ],
            '^' => [static fn($a, $b) => pow($a, $b), 220, true],
            '%' => [static fn($a, $b) => $a % $b, 180, false],
            '&&' => [static fn($a, $b) => $a && $b, 100, false],
            '||' => [static fn($a, $b) => $a || $b, 90, false],
            '==' => [static fn($a, $b) => is_string($a) || is_string($b) ? strcmp($a, $b) == 0 : $a == $b, 140, false],
            '!=' => [static fn($a, $b) => is_string($a) || is_string($b) ? strcmp($a, $b) != 0 : $a != $b, 140, false],
            '>=' => [static fn($a, $b) => $a >= $b, 150, false],
            '>' => [static fn($a, $b) => $a > $b, 150, false],
            '<=' => [static fn($a, $b) => $a <= $b, 150, false],
            '<' => [static fn($a, $b) => $a < $b, 150, false],
            '!' => [static fn($a) => ! $a, 190, false],
        ];
    }

    /**
     * Return the list of default functions
     * @return array<string, callable>
     */
    protected function defaultFunctions(): array
    {
        return [
            'abs' => static function ($arg) {
                if ((int) $arg == $arg) {
                    return abs(intval($arg));
                }
                return abs(floatval($arg));
            },
            'array' => static fn(...$args) => $args,
            'avg' => static function ($arg1, ...$args) {
                if (is_array($arg1)) {
                    if (count($arg1) === 0) {
                        throw new InvalidArgumentException('Array must contains at least one element');
                    }

                    return array_sum($arg1) / count($arg1);
                }

                $args = [$arg1, ...array_values($args)];
                return array_sum($args) / count($args);
            },
            'ceil' => static function ($arg) {
                if ((int) $arg == $arg) {
                    return ceil(intval($arg));
                }
                return ceil(floatval($arg));
            },
            'floor' => static function ($arg) {
                if ((int) $arg == $arg) {
                    return floor(intval($arg));
                }
                return floor(floatval($arg));
            },
            'exp' => static fn($arg) => exp(floatval($arg)),
            'ln' => static fn($arg) => log(floatval($arg)),
            'lg' => static fn($arg) => log10($arg),
            'log' => static fn($arg) => log(floatval($arg)),
            'log10' => static fn($arg) => log10(floatval($arg)),
            'log1p' => static fn($arg) => log1p(floatval($arg)),
            'fmod' => static fn($arg1, $arg2) => fmod(floatval($arg1), floatval($arg2)),
            'sqrt' => static fn($arg) => sqrt(floatval($arg)),
            'hypot' => static fn($arg1, $arg2) => hypot(floatval($arg1), floatval($arg2)),
            'intdiv' => static fn($arg1, $arg2) => intdiv(intval($arg1), intval($arg2)),
            'max' => static function ($arg1, ...$args) {
                if (is_array($arg1) && count($arg1) === 0) {
                    throw new InvalidArgumentException('Array must contains at least one element');
                }

                return max(is_array($arg1) && count($arg1) > 0 ? $arg1 : [$arg1, ...array_values($args)]);
            },
            'min' => static function ($arg1, ...$args) {
                if (is_array($arg1) && count($arg1) === 0) {
                    throw new InvalidArgumentException('Array must contains at least one element');
                }

                return min(is_array($arg1) && count($arg1) > 0  ? $arg1 : [$arg1, ...array_values($args)]);
            },
            'pow' => static fn($arg1, $arg2) => $arg1 ** $arg2,
            'round' => static function ($arg, int $precision = 0) {
                if ((int) $arg == $arg) {
                    return round(intval($arg), intval($precision));
                }
                return round(floatval($arg), intval($precision));
            },
            'pi' => static fn() => M_PI,
        ];
    }

    /**
     * Return the default variables
     * @return array<string, mixed>
     */
    protected function defaultVariables(): array
    {
        return [
          'pi' => 3.14159265359,
          'e' => 2.71828182846
        ];
    }
}


1			<?php
2
3			/**
4			* Platine Expression
5			*
6			* Platine Expression is an expression parser, evaluator with support of custom
7			* operators and functions
8			*
9			* This content is released under the MIT License (MIT)
10			*
11			* Copyright (c) 2020 Platine Expression
12			* Copyright (c) Alexander Kiryukhin
13			*
14			* Permission is hereby granted, free of charge, to any person obtaining a copy
15			* of this software and associated documentation files (the "Software"), to deal
16			* in the Software without restriction, including without limitation the rights
17			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
18			* copies of the Software, and to permit persons to whom the Software is
19			* furnished to do so, subject to the following conditions:
20			*
21			* The above copyright notice and this permission notice shall be included in all
22			* copies or substantial portions of the Software.
23			*
24			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30			* SOFTWARE.
31			*/
32
33			/**
34			* @file Executor.php
35			*
36			* The Executor class
37			*
38			* @package Platine\Expression
39			* @author Platine Developers Team
40			* @copyright Copyright (c) 2020
41			* @license http://opensource.org/licenses/MIT MIT License
42			* @link https://www.platine-php.com
43			* @version 1.0.0
44			* @filesource
45			*/
46			declare(strict_types=1);
47
48			namespace Platine\Expression;
49
50			use InvalidArgumentException;
51			use Platine\Expression\Exception\DivisionByZeroException;
52			use Platine\Expression\Exception\UnknownVariableException;
53
54			/**
55			* @class Executor
56			* @package Platine\Expression
57			*/
58			class Executor
59			{
60			/**
61			* The variable list
62			* @var array<string, mixed>
63			*/
64			protected array $variables = [];
65
66			/**
67			* The callable that will be called if variable not found
68			* @var callable\|null
69			*/
70			protected $variableNotFoundHandler = null;
71
72			/**
73			* The callable that will be called for variable validation
74			* @var callable\|null
75			*/
76			protected $variableValidationHandler = null;
77
78			/**
79			* The list of operators
80			* @var array<string, Operator>
81			*/
82			protected array $operators = [];
83
84			/**
85			* The list of functions
86			* @var array<string, CustomFunction>
87			*/
88			protected array $functions = [];
89
90			/**
91			* The list of cache
92			* @var array<string, Token[]>
93			*/
94			protected array $caches = [];
95
96			/**
97			* Create new instance
98			*/
99			public function __construct()
100			{
101			$this->addDefaults();
102			}
103
104			/**
105			* When do clone of this object
106			*/
107			public function __clone()
108			{
109			$this->addDefaults();
110			}
111
112			/**
113			* Execute the expression and return the result
114			* @param string $expression
115			* @param bool $cache
116			* @return mixed
117			*/
118			public function execute(string $expression, bool $cache = true): mixed
119			{
120			$cacheKey = $expression;
121			if (!array_key_exists($cacheKey, $this->caches)) {
122			$tokens = (new Tokenizer($expression, $this->operators))
123			->tokenize()
124			->buildReversePolishNotation();
125
126			if ($cache) {
127			$this->caches[$cacheKey] = $tokens;
128			}
129			} else {
130			$tokens = $this->caches[$cacheKey];
131			}
132
133			$calculator = new Calculator($this->functions, $this->operators);
134
135			return $calculator->calculate(
136			$tokens,
137			$this->variables,
138			$this->variableNotFoundHandler
139			);
140			}
141
142			/**
143			* Add new operator
144			* @param Operator $operator
145			* @return $this
146			*/
147			public function addOperator(Operator $operator): self
148			{
149			$this->operators[$operator->getOperator()] = $operator;
150			return $this;
151			}
152
153			/**
154			* Add new function
155			* @param string $name
156			* @param callable $function
157			* @return $this
158			*/
159			public function addFunction(string $name, callable $function): self
160			{
161			$this->functions[$name] = new CustomFunction($name, $function);
162			return $this;
163			}
164
165			/**
166			* Return the list of variables
167			* @return array<string, int\|float>
168			*/
169			public function getVariables(): array
170			{
171			return $this->variables;
172			}
173
174			/**
175			* Return the value for the given variable name
176			* @param string $name
177			* @return mixed
178			*/
179			public function getVariable(string $name): mixed
180			{
181			if (! array_key_exists($name, $this->variables)) {
182			if ($this->variableNotFoundHandler !== null) {
183			return call_user_func($this->variableNotFoundHandler, $name);
184			}
185
186			throw new UnknownVariableException(sprintf(
187			'Unknown variable [%s]',
188			$name
189			));
190			}
191
192			return $this->variables[$name];
193			}
194
195			/**
196			* Set the variable to be used later
197			* @param string $name
198			* @param mixed $value
199			* @return $this
200			*/
201			public function setVariable(string $name, mixed $value): self
202			{
203			if ($this->variableValidationHandler !== null) {
204			call_user_func($this->variableValidationHandler, $name, $value);
205			}
206			$this->variables[$name] = $value;
207
208			return $this;
209			}
210
211			/**
212			* Set the variables using array
213			* @param array<string, mixed> $variables
214			* @param bool $clear whether to clear all existing variables
215			* @return $this
216			*/
217			public function setVariables(array $variables, bool $clear = true): self
218			{
219			if ($clear) {
220			$this->clearVariables();
221			}
222
223			foreach ($variables as $name => $value) {
224			$this->setVariable($name, $value);
225			}
226
227			return $this;
228			}
229
230			/**
231			* Check whether the given variable exists
232			* @param string $name
233			* @return bool
234			*/
235			public function variableExist(string $name): bool
236			{
237			return array_key_exists($name, $this->variables);
238			}
239
240			/**
241			* Remove the given variable
242			* @param string $name
243			* @return $this
244			*/
245			public function removeVariable(string $name): self
246			{
247			unset($this->variables[$name]);
248
249			return $this;
250			}
251
252			/**
253			* Remove the given operator
254			* @param string $name
255			* @return $this
256			*/
257			public function removeOperator(string $name): self
258			{
259			unset($this->operators[$name]);
260
261			return $this;
262			}
263
264			/**
265			* Clear all variables
266			* @return $this
267			*/
268			public function clearVariables(): self
269			{
270			$this->variables = [];
271			$this->variableNotFoundHandler = null;
272
273			return $this;
274			}
275
276			/**
277			* Set the callable to be used for variable not found
278			* @param callable $handler
279			* @return $this
280			*/
281			public function setVariableNotFoundHandler(callable $handler): self
282			{
283			$this->variableNotFoundHandler = $handler;
284			return $this;
285			}
286
287			/**
288			* Set the callable to be used for variable validation
289			* @param callable $handler
290			* @return $this
291			*/
292			public function setVariableValidationHandler(callable $handler): self
293			{
294			$this->variableValidationHandler = $handler;
295			return $this;
296			}
297
298			/**
299			* Return the variable not found handler
300			* @return callable\|null
301			*/
302			public function getVariableNotFoundHandler(): ?callable
303			{
304			return $this->variableNotFoundHandler;
305			}
306
307			/**
308			* Return the variable validation handler
309			* @return callable\|null
310			*/
311			public function getVariableValidationHandler(): ?callable
312			{
313			return $this->variableValidationHandler;
314			}
315
316			/**
317			* Return the list of caches
318			* @return array<string, Token[]>
319			*/
320			public function getCaches(): array
321			{
322			return $this->caches;
323			}
324
325
326			/**
327			* Return the list of operators
328			* @return array<string, Operator>
329			*/
330			public function getOperators(): array
331			{
332			return $this->operators;
333			}
334
335			/**
336			* Return the list of functions
337			* @return array<string, CustomFunction>
338			*/
339			public function getFunctions(): array
340			{
341			return $this->functions;
342			}
343
344
345			/**
346			* Add the default values like variables, operators, functions
347			* @return $this
348			*/
349			protected function addDefaults(): self
350			{
351			foreach ($this->defaultOperators() as $name => $operator) {
352			[$callable, $priority, $isRightAssociative] = $operator;
353			$this->addOperator(new Operator($name, $isRightAssociative, $priority, $callable));
354			}
355
356			foreach ($this->defaultFunctions() as $name => $callable) {
357			$this->addFunction($name, $callable);
358			}
359
360			$this->variables = $this->defaultVariables();
361
362			return $this;
363			}
364
365			/**
366			* Return the list of default operators
367			* @return array<string, array{callable, int, bool}>
			0 ignored issues – show Documentation Bug introduced 2022-07-01 06:51 UTC by Report Bug Copy Issue Report The doc comment `array<string, array{callable, int, bool}>` at position `6` could not be parsed: Expected ':' at position 6, but found 'callable'. Loading history...
368			*/
369			protected function defaultOperators(): array
370			{
371			return [
372			'+' => [static fn($a, $b) => $a + $b, 170, false],
373			'-' => [static fn($a, $b) => $a - $b, 170, false],
374			// unary positive token
375			'uPos' => [static fn($a) => $a, 200, false],
376			// unary minus token
377			'uNeg' => [static fn($a) => 0 - $a, 200, false],
378			'' => [static fn($a, $b) => $a $b, 180, false],
379			'/' => [
380			static function ($a, $b) {
381			if ($b == 0) {
382			throw new DivisionByZeroException();
383			}
384
385			return $a / $b;
386			},
387			180,
388			false
389			],
390			'^' => [static fn($a, $b) => pow($a, $b), 220, true],
391			'%' => [static fn($a, $b) => $a % $b, 180, false],
392			'&&' => [static fn($a, $b) => $a && $b, 100, false],
393			'\|\|' => [static fn($a, $b) => $a \|\| $b, 90, false],
394			'==' => [static fn($a, $b) => is_string($a) \|\| is_string($b) ? strcmp($a, $b) == 0 : $a == $b, 140, false],
395			'!=' => [static fn($a, $b) => is_string($a) \|\| is_string($b) ? strcmp($a, $b) != 0 : $a != $b, 140, false],
396			'>=' => [static fn($a, $b) => $a >= $b, 150, false],
397			'>' => [static fn($a, $b) => $a > $b, 150, false],
398			'<=' => [static fn($a, $b) => $a <= $b, 150, false],
399			'<' => [static fn($a, $b) => $a < $b, 150, false],
400			'!' => [static fn($a) => ! $a, 190, false],
401			];
402			}
403
404			/**
405			* Return the list of default functions
406			* @return array<string, callable>
407			*/
408			protected function defaultFunctions(): array
409			{
410			return [
411			'abs' => static function ($arg) {
412			if ((int) $arg == $arg) {
413			return abs(intval($arg));
414			}
415			return abs(floatval($arg));
416			},
417			'array' => static fn(...$args) => $args,
418			'avg' => static function ($arg1, ...$args) {
419			if (is_array($arg1)) {
420			if (count($arg1) === 0) {
421			throw new InvalidArgumentException('Array must contains at least one element');
422			}
423
424			return array_sum($arg1) / count($arg1);
425			}
426
427			$args = [$arg1, ...array_values($args)];
428			return array_sum($args) / count($args);
429			},
430			'ceil' => static function ($arg) {
431			if ((int) $arg == $arg) {
432			return ceil(intval($arg));
433			}
434			return ceil(floatval($arg));
435			},
436			'floor' => static function ($arg) {
437			if ((int) $arg == $arg) {
438			return floor(intval($arg));
439			}
440			return floor(floatval($arg));
441			},
442			'exp' => static fn($arg) => exp(floatval($arg)),
443			'ln' => static fn($arg) => log(floatval($arg)),
444			'lg' => static fn($arg) => log10($arg),
445			'log' => static fn($arg) => log(floatval($arg)),
446			'log10' => static fn($arg) => log10(floatval($arg)),
447			'log1p' => static fn($arg) => log1p(floatval($arg)),
448			'fmod' => static fn($arg1, $arg2) => fmod(floatval($arg1), floatval($arg2)),
449			'sqrt' => static fn($arg) => sqrt(floatval($arg)),
450			'hypot' => static fn($arg1, $arg2) => hypot(floatval($arg1), floatval($arg2)),
451			'intdiv' => static fn($arg1, $arg2) => intdiv(intval($arg1), intval($arg2)),
452			'max' => static function ($arg1, ...$args) {
453			if (is_array($arg1) && count($arg1) === 0) {
454			throw new InvalidArgumentException('Array must contains at least one element');
455			}
456
457			return max(is_array($arg1) && count($arg1) > 0 ? $arg1 : [$arg1, ...array_values($args)]);
458			},
459			'min' => static function ($arg1, ...$args) {
460			if (is_array($arg1) && count($arg1) === 0) {
461			throw new InvalidArgumentException('Array must contains at least one element');
462			}
463
464			return min(is_array($arg1) && count($arg1) > 0 ? $arg1 : [$arg1, ...array_values($args)]);
465			},
466			'pow' => static fn($arg1, $arg2) => $arg1 ** $arg2,
467			'round' => static function ($arg, int $precision = 0) {
468			if ((int) $arg == $arg) {
469			return round(intval($arg), intval($precision));
470			}
471			return round(floatval($arg), intval($precision));
472			},
473			'pi' => static fn() => M_PI,
474			];
475			}
476
477			/**
478			* Return the default variables
479			* @return array<string, mixed>
480			*/
481			protected function defaultVariables(): array
482			{
483			return [
484			'pi' => 3.14159265359,
485			'e' => 2.71828182846
486			];
487			}
488			}
489

platine-php / expression

Executor::getVariables() A last analyzed 2025-05-19 09:22 UTC

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Executor::getVariables() A
last analyzed 2025-05-19 09:22 UTC