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Diffstat (limited to 'vendor/doctrine/orm/src/Query/Expr.php')
-rw-r--r-- | vendor/doctrine/orm/src/Query/Expr.php | 615 |
1 files changed, 615 insertions, 0 deletions
diff --git a/vendor/doctrine/orm/src/Query/Expr.php b/vendor/doctrine/orm/src/Query/Expr.php new file mode 100644 index 0000000..65f3082 --- /dev/null +++ b/vendor/doctrine/orm/src/Query/Expr.php | |||
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1 | <?php | ||
2 | |||
3 | declare(strict_types=1); | ||
4 | |||
5 | namespace Doctrine\ORM\Query; | ||
6 | |||
7 | use Doctrine\ORM\Internal\NoUnknownNamedArguments; | ||
8 | use Traversable; | ||
9 | |||
10 | use function implode; | ||
11 | use function is_bool; | ||
12 | use function is_float; | ||
13 | use function is_int; | ||
14 | use function is_iterable; | ||
15 | use function iterator_to_array; | ||
16 | use function str_replace; | ||
17 | |||
18 | /** | ||
19 | * This class is used to generate DQL expressions via a set of PHP static functions. | ||
20 | * | ||
21 | * @link www.doctrine-project.org | ||
22 | * | ||
23 | * @todo Rename: ExpressionBuilder | ||
24 | */ | ||
25 | class Expr | ||
26 | { | ||
27 | use NoUnknownNamedArguments; | ||
28 | |||
29 | /** | ||
30 | * Creates a conjunction of the given boolean expressions. | ||
31 | * | ||
32 | * Example: | ||
33 | * | ||
34 | * [php] | ||
35 | * // (u.type = ?1) AND (u.role = ?2) | ||
36 | * $expr->andX($expr->eq('u.type', ':1'), $expr->eq('u.role', ':2')); | ||
37 | * | ||
38 | * @param Expr\Comparison|Expr\Func|Expr\Andx|Expr\Orx|string ...$x Optional clause. Defaults to null, | ||
39 | * but requires at least one defined | ||
40 | * when converting to string. | ||
41 | */ | ||
42 | public function andX(Expr\Comparison|Expr\Func|Expr\Andx|Expr\Orx|string ...$x): Expr\Andx | ||
43 | { | ||
44 | self::validateVariadicParameter($x); | ||
45 | |||
46 | return new Expr\Andx($x); | ||
47 | } | ||
48 | |||
49 | /** | ||
50 | * Creates a disjunction of the given boolean expressions. | ||
51 | * | ||
52 | * Example: | ||
53 | * | ||
54 | * [php] | ||
55 | * // (u.type = ?1) OR (u.role = ?2) | ||
56 | * $q->where($q->expr()->orX('u.type = ?1', 'u.role = ?2')); | ||
57 | * | ||
58 | * @param Expr\Comparison|Expr\Func|Expr\Andx|Expr\Orx|string ...$x Optional clause. Defaults to null, | ||
59 | * but requires at least one defined | ||
60 | * when converting to string. | ||
61 | */ | ||
62 | public function orX(Expr\Comparison|Expr\Func|Expr\Andx|Expr\Orx|string ...$x): Expr\Orx | ||
63 | { | ||
64 | self::validateVariadicParameter($x); | ||
65 | |||
66 | return new Expr\Orx($x); | ||
67 | } | ||
68 | |||
69 | /** | ||
70 | * Creates an ASCending order expression. | ||
71 | */ | ||
72 | public function asc(mixed $expr): Expr\OrderBy | ||
73 | { | ||
74 | return new Expr\OrderBy($expr, 'ASC'); | ||
75 | } | ||
76 | |||
77 | /** | ||
78 | * Creates a DESCending order expression. | ||
79 | */ | ||
80 | public function desc(mixed $expr): Expr\OrderBy | ||
81 | { | ||
82 | return new Expr\OrderBy($expr, 'DESC'); | ||
83 | } | ||
84 | |||
85 | /** | ||
86 | * Creates an equality comparison expression with the given arguments. | ||
87 | * | ||
88 | * First argument is considered the left expression and the second is the right expression. | ||
89 | * When converted to string, it will generated a <left expr> = <right expr>. Example: | ||
90 | * | ||
91 | * [php] | ||
92 | * // u.id = ?1 | ||
93 | * $expr->eq('u.id', '?1'); | ||
94 | * | ||
95 | * @param mixed $x Left expression. | ||
96 | * @param mixed $y Right expression. | ||
97 | */ | ||
98 | public function eq(mixed $x, mixed $y): Expr\Comparison | ||
99 | { | ||
100 | return new Expr\Comparison($x, Expr\Comparison::EQ, $y); | ||
101 | } | ||
102 | |||
103 | /** | ||
104 | * Creates an instance of Expr\Comparison, with the given arguments. | ||
105 | * First argument is considered the left expression and the second is the right expression. | ||
106 | * When converted to string, it will generated a <left expr> <> <right expr>. Example: | ||
107 | * | ||
108 | * [php] | ||
109 | * // u.id <> ?1 | ||
110 | * $q->where($q->expr()->neq('u.id', '?1')); | ||
111 | * | ||
112 | * @param mixed $x Left expression. | ||
113 | * @param mixed $y Right expression. | ||
114 | */ | ||
115 | public function neq(mixed $x, mixed $y): Expr\Comparison | ||
116 | { | ||
117 | return new Expr\Comparison($x, Expr\Comparison::NEQ, $y); | ||
118 | } | ||
119 | |||
120 | /** | ||
121 | * Creates an instance of Expr\Comparison, with the given arguments. | ||
122 | * First argument is considered the left expression and the second is the right expression. | ||
123 | * When converted to string, it will generated a <left expr> < <right expr>. Example: | ||
124 | * | ||
125 | * [php] | ||
126 | * // u.id < ?1 | ||
127 | * $q->where($q->expr()->lt('u.id', '?1')); | ||
128 | * | ||
129 | * @param mixed $x Left expression. | ||
130 | * @param mixed $y Right expression. | ||
131 | */ | ||
132 | public function lt(mixed $x, mixed $y): Expr\Comparison | ||
133 | { | ||
134 | return new Expr\Comparison($x, Expr\Comparison::LT, $y); | ||
135 | } | ||
136 | |||
137 | /** | ||
138 | * Creates an instance of Expr\Comparison, with the given arguments. | ||
139 | * First argument is considered the left expression and the second is the right expression. | ||
140 | * When converted to string, it will generated a <left expr> <= <right expr>. Example: | ||
141 | * | ||
142 | * [php] | ||
143 | * // u.id <= ?1 | ||
144 | * $q->where($q->expr()->lte('u.id', '?1')); | ||
145 | * | ||
146 | * @param mixed $x Left expression. | ||
147 | * @param mixed $y Right expression. | ||
148 | */ | ||
149 | public function lte(mixed $x, mixed $y): Expr\Comparison | ||
150 | { | ||
151 | return new Expr\Comparison($x, Expr\Comparison::LTE, $y); | ||
152 | } | ||
153 | |||
154 | /** | ||
155 | * Creates an instance of Expr\Comparison, with the given arguments. | ||
156 | * First argument is considered the left expression and the second is the right expression. | ||
157 | * When converted to string, it will generated a <left expr> > <right expr>. Example: | ||
158 | * | ||
159 | * [php] | ||
160 | * // u.id > ?1 | ||
161 | * $q->where($q->expr()->gt('u.id', '?1')); | ||
162 | * | ||
163 | * @param mixed $x Left expression. | ||
164 | * @param mixed $y Right expression. | ||
165 | */ | ||
166 | public function gt(mixed $x, mixed $y): Expr\Comparison | ||
167 | { | ||
168 | return new Expr\Comparison($x, Expr\Comparison::GT, $y); | ||
169 | } | ||
170 | |||
171 | /** | ||
172 | * Creates an instance of Expr\Comparison, with the given arguments. | ||
173 | * First argument is considered the left expression and the second is the right expression. | ||
174 | * When converted to string, it will generated a <left expr> >= <right expr>. Example: | ||
175 | * | ||
176 | * [php] | ||
177 | * // u.id >= ?1 | ||
178 | * $q->where($q->expr()->gte('u.id', '?1')); | ||
179 | * | ||
180 | * @param mixed $x Left expression. | ||
181 | * @param mixed $y Right expression. | ||
182 | */ | ||
183 | public function gte(mixed $x, mixed $y): Expr\Comparison | ||
184 | { | ||
185 | return new Expr\Comparison($x, Expr\Comparison::GTE, $y); | ||
186 | } | ||
187 | |||
188 | /** | ||
189 | * Creates an instance of AVG() function, with the given argument. | ||
190 | * | ||
191 | * @param mixed $x Argument to be used in AVG() function. | ||
192 | */ | ||
193 | public function avg(mixed $x): Expr\Func | ||
194 | { | ||
195 | return new Expr\Func('AVG', [$x]); | ||
196 | } | ||
197 | |||
198 | /** | ||
199 | * Creates an instance of MAX() function, with the given argument. | ||
200 | * | ||
201 | * @param mixed $x Argument to be used in MAX() function. | ||
202 | */ | ||
203 | public function max(mixed $x): Expr\Func | ||
204 | { | ||
205 | return new Expr\Func('MAX', [$x]); | ||
206 | } | ||
207 | |||
208 | /** | ||
209 | * Creates an instance of MIN() function, with the given argument. | ||
210 | * | ||
211 | * @param mixed $x Argument to be used in MIN() function. | ||
212 | */ | ||
213 | public function min(mixed $x): Expr\Func | ||
214 | { | ||
215 | return new Expr\Func('MIN', [$x]); | ||
216 | } | ||
217 | |||
218 | /** | ||
219 | * Creates an instance of COUNT() function, with the given argument. | ||
220 | * | ||
221 | * @param mixed $x Argument to be used in COUNT() function. | ||
222 | */ | ||
223 | public function count(mixed $x): Expr\Func | ||
224 | { | ||
225 | return new Expr\Func('COUNT', [$x]); | ||
226 | } | ||
227 | |||
228 | /** | ||
229 | * Creates an instance of COUNT(DISTINCT) function, with the given argument. | ||
230 | * | ||
231 | * @param mixed ...$x Argument to be used in COUNT(DISTINCT) function. | ||
232 | */ | ||
233 | public function countDistinct(mixed ...$x): string | ||
234 | { | ||
235 | self::validateVariadicParameter($x); | ||
236 | |||
237 | return 'COUNT(DISTINCT ' . implode(', ', $x) . ')'; | ||
238 | } | ||
239 | |||
240 | /** | ||
241 | * Creates an instance of EXISTS() function, with the given DQL Subquery. | ||
242 | * | ||
243 | * @param mixed $subquery DQL Subquery to be used in EXISTS() function. | ||
244 | */ | ||
245 | public function exists(mixed $subquery): Expr\Func | ||
246 | { | ||
247 | return new Expr\Func('EXISTS', [$subquery]); | ||
248 | } | ||
249 | |||
250 | /** | ||
251 | * Creates an instance of ALL() function, with the given DQL Subquery. | ||
252 | * | ||
253 | * @param mixed $subquery DQL Subquery to be used in ALL() function. | ||
254 | */ | ||
255 | public function all(mixed $subquery): Expr\Func | ||
256 | { | ||
257 | return new Expr\Func('ALL', [$subquery]); | ||
258 | } | ||
259 | |||
260 | /** | ||
261 | * Creates a SOME() function expression with the given DQL subquery. | ||
262 | * | ||
263 | * @param mixed $subquery DQL Subquery to be used in SOME() function. | ||
264 | */ | ||
265 | public function some(mixed $subquery): Expr\Func | ||
266 | { | ||
267 | return new Expr\Func('SOME', [$subquery]); | ||
268 | } | ||
269 | |||
270 | /** | ||
271 | * Creates an ANY() function expression with the given DQL subquery. | ||
272 | * | ||
273 | * @param mixed $subquery DQL Subquery to be used in ANY() function. | ||
274 | */ | ||
275 | public function any(mixed $subquery): Expr\Func | ||
276 | { | ||
277 | return new Expr\Func('ANY', [$subquery]); | ||
278 | } | ||
279 | |||
280 | /** | ||
281 | * Creates a negation expression of the given restriction. | ||
282 | * | ||
283 | * @param mixed $restriction Restriction to be used in NOT() function. | ||
284 | */ | ||
285 | public function not(mixed $restriction): Expr\Func | ||
286 | { | ||
287 | return new Expr\Func('NOT', [$restriction]); | ||
288 | } | ||
289 | |||
290 | /** | ||
291 | * Creates an ABS() function expression with the given argument. | ||
292 | * | ||
293 | * @param mixed $x Argument to be used in ABS() function. | ||
294 | */ | ||
295 | public function abs(mixed $x): Expr\Func | ||
296 | { | ||
297 | return new Expr\Func('ABS', [$x]); | ||
298 | } | ||
299 | |||
300 | /** | ||
301 | * Creates a MOD($x, $y) function expression to return the remainder of $x divided by $y. | ||
302 | */ | ||
303 | public function mod(mixed $x, mixed $y): Expr\Func | ||
304 | { | ||
305 | return new Expr\Func('MOD', [$x, $y]); | ||
306 | } | ||
307 | |||
308 | /** | ||
309 | * Creates a product mathematical expression with the given arguments. | ||
310 | * | ||
311 | * First argument is considered the left expression and the second is the right expression. | ||
312 | * When converted to string, it will generated a <left expr> * <right expr>. Example: | ||
313 | * | ||
314 | * [php] | ||
315 | * // u.salary * u.percentAnnualSalaryIncrease | ||
316 | * $q->expr()->prod('u.salary', 'u.percentAnnualSalaryIncrease') | ||
317 | * | ||
318 | * @param mixed $x Left expression. | ||
319 | * @param mixed $y Right expression. | ||
320 | */ | ||
321 | public function prod(mixed $x, mixed $y): Expr\Math | ||
322 | { | ||
323 | return new Expr\Math($x, '*', $y); | ||
324 | } | ||
325 | |||
326 | /** | ||
327 | * Creates a difference mathematical expression with the given arguments. | ||
328 | * First argument is considered the left expression and the second is the right expression. | ||
329 | * When converted to string, it will generated a <left expr> - <right expr>. Example: | ||
330 | * | ||
331 | * [php] | ||
332 | * // u.monthlySubscriptionCount - 1 | ||
333 | * $q->expr()->diff('u.monthlySubscriptionCount', '1') | ||
334 | * | ||
335 | * @param mixed $x Left expression. | ||
336 | * @param mixed $y Right expression. | ||
337 | */ | ||
338 | public function diff(mixed $x, mixed $y): Expr\Math | ||
339 | { | ||
340 | return new Expr\Math($x, '-', $y); | ||
341 | } | ||
342 | |||
343 | /** | ||
344 | * Creates a sum mathematical expression with the given arguments. | ||
345 | * First argument is considered the left expression and the second is the right expression. | ||
346 | * When converted to string, it will generated a <left expr> + <right expr>. Example: | ||
347 | * | ||
348 | * [php] | ||
349 | * // u.numChildren + 1 | ||
350 | * $q->expr()->sum('u.numChildren', '1') | ||
351 | * | ||
352 | * @param mixed $x Left expression. | ||
353 | * @param mixed $y Right expression. | ||
354 | */ | ||
355 | public function sum(mixed $x, mixed $y): Expr\Math | ||
356 | { | ||
357 | return new Expr\Math($x, '+', $y); | ||
358 | } | ||
359 | |||
360 | /** | ||
361 | * Creates a quotient mathematical expression with the given arguments. | ||
362 | * First argument is considered the left expression and the second is the right expression. | ||
363 | * When converted to string, it will generated a <left expr> / <right expr>. Example: | ||
364 | * | ||
365 | * [php] | ||
366 | * // u.total / u.period | ||
367 | * $expr->quot('u.total', 'u.period') | ||
368 | * | ||
369 | * @param mixed $x Left expression. | ||
370 | * @param mixed $y Right expression. | ||
371 | */ | ||
372 | public function quot(mixed $x, mixed $y): Expr\Math | ||
373 | { | ||
374 | return new Expr\Math($x, '/', $y); | ||
375 | } | ||
376 | |||
377 | /** | ||
378 | * Creates a SQRT() function expression with the given argument. | ||
379 | * | ||
380 | * @param mixed $x Argument to be used in SQRT() function. | ||
381 | */ | ||
382 | public function sqrt(mixed $x): Expr\Func | ||
383 | { | ||
384 | return new Expr\Func('SQRT', [$x]); | ||
385 | } | ||
386 | |||
387 | /** | ||
388 | * Creates an IN() expression with the given arguments. | ||
389 | * | ||
390 | * @param string $x Field in string format to be restricted by IN() function. | ||
391 | * @param mixed $y Argument to be used in IN() function. | ||
392 | */ | ||
393 | public function in(string $x, mixed $y): Expr\Func | ||
394 | { | ||
395 | if (is_iterable($y)) { | ||
396 | if ($y instanceof Traversable) { | ||
397 | $y = iterator_to_array($y); | ||
398 | } | ||
399 | |||
400 | foreach ($y as &$literal) { | ||
401 | if (! ($literal instanceof Expr\Literal)) { | ||
402 | $literal = $this->quoteLiteral($literal); | ||
403 | } | ||
404 | } | ||
405 | } | ||
406 | |||
407 | return new Expr\Func($x . ' IN', (array) $y); | ||
408 | } | ||
409 | |||
410 | /** | ||
411 | * Creates a NOT IN() expression with the given arguments. | ||
412 | * | ||
413 | * @param string $x Field in string format to be restricted by NOT IN() function. | ||
414 | * @param mixed $y Argument to be used in NOT IN() function. | ||
415 | */ | ||
416 | public function notIn(string $x, mixed $y): Expr\Func | ||
417 | { | ||
418 | if (is_iterable($y)) { | ||
419 | if ($y instanceof Traversable) { | ||
420 | $y = iterator_to_array($y); | ||
421 | } | ||
422 | |||
423 | foreach ($y as &$literal) { | ||
424 | if (! ($literal instanceof Expr\Literal)) { | ||
425 | $literal = $this->quoteLiteral($literal); | ||
426 | } | ||
427 | } | ||
428 | } | ||
429 | |||
430 | return new Expr\Func($x . ' NOT IN', (array) $y); | ||
431 | } | ||
432 | |||
433 | /** | ||
434 | * Creates an IS NULL expression with the given arguments. | ||
435 | * | ||
436 | * @param string $x Field in string format to be restricted by IS NULL. | ||
437 | */ | ||
438 | public function isNull(string $x): string | ||
439 | { | ||
440 | return $x . ' IS NULL'; | ||
441 | } | ||
442 | |||
443 | /** | ||
444 | * Creates an IS NOT NULL expression with the given arguments. | ||
445 | * | ||
446 | * @param string $x Field in string format to be restricted by IS NOT NULL. | ||
447 | */ | ||
448 | public function isNotNull(string $x): string | ||
449 | { | ||
450 | return $x . ' IS NOT NULL'; | ||
451 | } | ||
452 | |||
453 | /** | ||
454 | * Creates a LIKE() comparison expression with the given arguments. | ||
455 | * | ||
456 | * @param string $x Field in string format to be inspected by LIKE() comparison. | ||
457 | * @param mixed $y Argument to be used in LIKE() comparison. | ||
458 | */ | ||
459 | public function like(string $x, mixed $y): Expr\Comparison | ||
460 | { | ||
461 | return new Expr\Comparison($x, 'LIKE', $y); | ||
462 | } | ||
463 | |||
464 | /** | ||
465 | * Creates a NOT LIKE() comparison expression with the given arguments. | ||
466 | * | ||
467 | * @param string $x Field in string format to be inspected by LIKE() comparison. | ||
468 | * @param mixed $y Argument to be used in LIKE() comparison. | ||
469 | */ | ||
470 | public function notLike(string $x, mixed $y): Expr\Comparison | ||
471 | { | ||
472 | return new Expr\Comparison($x, 'NOT LIKE', $y); | ||
473 | } | ||
474 | |||
475 | /** | ||
476 | * Creates a CONCAT() function expression with the given arguments. | ||
477 | * | ||
478 | * @param mixed ...$x Arguments to be used in CONCAT() function. | ||
479 | */ | ||
480 | public function concat(mixed ...$x): Expr\Func | ||
481 | { | ||
482 | self::validateVariadicParameter($x); | ||
483 | |||
484 | return new Expr\Func('CONCAT', $x); | ||
485 | } | ||
486 | |||
487 | /** | ||
488 | * Creates a SUBSTRING() function expression with the given arguments. | ||
489 | * | ||
490 | * @param mixed $x Argument to be used as string to be cropped by SUBSTRING() function. | ||
491 | * @param int $from Initial offset to start cropping string. May accept negative values. | ||
492 | * @param int|null $len Length of crop. May accept negative values. | ||
493 | */ | ||
494 | public function substring(mixed $x, int $from, int|null $len = null): Expr\Func | ||
495 | { | ||
496 | $args = [$x, $from]; | ||
497 | if ($len !== null) { | ||
498 | $args[] = $len; | ||
499 | } | ||
500 | |||
501 | return new Expr\Func('SUBSTRING', $args); | ||
502 | } | ||
503 | |||
504 | /** | ||
505 | * Creates a LOWER() function expression with the given argument. | ||
506 | * | ||
507 | * @param mixed $x Argument to be used in LOWER() function. | ||
508 | * | ||
509 | * @return Expr\Func A LOWER function expression. | ||
510 | */ | ||
511 | public function lower(mixed $x): Expr\Func | ||
512 | { | ||
513 | return new Expr\Func('LOWER', [$x]); | ||
514 | } | ||
515 | |||
516 | /** | ||
517 | * Creates an UPPER() function expression with the given argument. | ||
518 | * | ||
519 | * @param mixed $x Argument to be used in UPPER() function. | ||
520 | * | ||
521 | * @return Expr\Func An UPPER function expression. | ||
522 | */ | ||
523 | public function upper(mixed $x): Expr\Func | ||
524 | { | ||
525 | return new Expr\Func('UPPER', [$x]); | ||
526 | } | ||
527 | |||
528 | /** | ||
529 | * Creates a LENGTH() function expression with the given argument. | ||
530 | * | ||
531 | * @param mixed $x Argument to be used as argument of LENGTH() function. | ||
532 | * | ||
533 | * @return Expr\Func A LENGTH function expression. | ||
534 | */ | ||
535 | public function length(mixed $x): Expr\Func | ||
536 | { | ||
537 | return new Expr\Func('LENGTH', [$x]); | ||
538 | } | ||
539 | |||
540 | /** | ||
541 | * Creates a literal expression of the given argument. | ||
542 | * | ||
543 | * @param scalar $literal Argument to be converted to literal. | ||
544 | */ | ||
545 | public function literal(bool|string|int|float $literal): Expr\Literal | ||
546 | { | ||
547 | return new Expr\Literal($this->quoteLiteral($literal)); | ||
548 | } | ||
549 | |||
550 | /** | ||
551 | * Quotes a literal value, if necessary, according to the DQL syntax. | ||
552 | * | ||
553 | * @param scalar $literal The literal value. | ||
554 | */ | ||
555 | private function quoteLiteral(bool|string|int|float $literal): string | ||
556 | { | ||
557 | if (is_int($literal) || is_float($literal)) { | ||
558 | return (string) $literal; | ||
559 | } | ||
560 | |||
561 | if (is_bool($literal)) { | ||
562 | return $literal ? 'true' : 'false'; | ||
563 | } | ||
564 | |||
565 | return "'" . str_replace("'", "''", $literal) . "'"; | ||
566 | } | ||
567 | |||
568 | /** | ||
569 | * Creates an instance of BETWEEN() function, with the given argument. | ||
570 | * | ||
571 | * @param mixed $val Valued to be inspected by range values. | ||
572 | * @param int|string $x Starting range value to be used in BETWEEN() function. | ||
573 | * @param int|string $y End point value to be used in BETWEEN() function. | ||
574 | * | ||
575 | * @return string A BETWEEN expression. | ||
576 | */ | ||
577 | public function between(mixed $val, int|string $x, int|string $y): string | ||
578 | { | ||
579 | return $val . ' BETWEEN ' . $x . ' AND ' . $y; | ||
580 | } | ||
581 | |||
582 | /** | ||
583 | * Creates an instance of TRIM() function, with the given argument. | ||
584 | * | ||
585 | * @param mixed $x Argument to be used as argument of TRIM() function. | ||
586 | * | ||
587 | * @return Expr\Func a TRIM expression. | ||
588 | */ | ||
589 | public function trim(mixed $x): Expr\Func | ||
590 | { | ||
591 | return new Expr\Func('TRIM', $x); | ||
592 | } | ||
593 | |||
594 | /** | ||
595 | * Creates an instance of MEMBER OF function, with the given arguments. | ||
596 | * | ||
597 | * @param string $x Value to be checked | ||
598 | * @param string $y Value to be checked against | ||
599 | */ | ||
600 | public function isMemberOf(string $x, string $y): Expr\Comparison | ||
601 | { | ||
602 | return new Expr\Comparison($x, 'MEMBER OF', $y); | ||
603 | } | ||
604 | |||
605 | /** | ||
606 | * Creates an instance of INSTANCE OF function, with the given arguments. | ||
607 | * | ||
608 | * @param string $x Value to be checked | ||
609 | * @param string $y Value to be checked against | ||
610 | */ | ||
611 | public function isInstanceOf(string $x, string $y): Expr\Comparison | ||
612 | { | ||
613 | return new Expr\Comparison($x, 'INSTANCE OF', $y); | ||
614 | } | ||
615 | } | ||