[ PHP Programming MCQS ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ PHP Programming MCQS ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

261. ReflectionClass किसके बारे में जानकारी देता है?

[A] Database Table

[B] Class Structure

[C] Session

[D] Cookie

261. What does ReflectionClass provide information about?

[A] Database Table

[B] Class Structure

[C] Session

[D] Cookie

सही उत्तर: Class Structure

व्याख्या: Class metadata प्राप्त करने के लिए।

Correct Answer: Class Structure

Explanation: Used to inspect class metadata.

262. Anonymous Class किस version में introduce हुई?

[A] PHP 5.4

[B] PHP 5.6

[C] PHP 7

[D] PHP 8

262. Anonymous Classes were introduced in which PHP version?

[A] PHP 5.4

[B] PHP 5.6

[C] PHP 7

[D] PHP 8

सही उत्तर: PHP 7

व्याख्या: Temporary class definitions के लिए।

Correct Answer: PHP 7

Explanation: Introduced for temporary class definitions.

263. Anonymous Class object बनाने का syntax क्या है?

[A] new class {}

[B] class new {}

[C] object class {}

[D] anonymous {}

263. What is the syntax for creating an Anonymous Class?

[A] new class {}

[B] class new {}

[C] object class {}

[D] anonymous {}

सही उत्तर: new class {}

व्याख्या: Inline class definition।

Correct Answer: new class {}

Explanation: Defines a class inline.

264. PHP में callable type किसका प्रतिनिधित्व करता है?

[A] Database Connection

[B] Callable Function/Method

[C] Array Only

[D] Object Only

264. What does callable type represent?

[A] Database Connection

[B] Callable Function/Method

[C] Array Only

[D] Object Only

सही उत्तर: Callable Function/Method

व्याख्या: Functions और methods को दर्शाता है।

Correct Answer: Callable Function/Method

Explanation: Represents functions and methods.

265. Namespace separator कौन-सा होता है?

[A] /

[B] \

[C] .

[D] ::

265. What is the namespace separator in PHP?

[A] /

[B] \

[C] .

[D] ::

सही उत्तर: \

व्याख्या: Namespaces को अलग करने के लिए।

Correct Answer: \

Explanation: Used to separate namespaces.

266. Global namespace को refer करने के लिए क्या प्रयोग किया जाता है?

[A] @

[B] #

[C] \

[D] ::

266. How do you refer to the global namespace?

[A] @

[B] #

[C] \

[D] ::

सही उत्तर: \

व्याख्या: Root namespace access करने के लिए।

Correct Answer: \

Explanation: Used to access root namespace.

267. Trait में method aliasing के लिए कौन-सा keyword प्रयोग होता है?

[A] as

[B] alias

[C] useas

[D] rename

267. Which keyword is used for method aliasing in Traits?

[A] as

[B] alias

[C] useas

[D] rename

सही उत्तर: as

व्याख्या: Method का नया नाम देने के लिए।

Correct Answer: as

Explanation: Used to create method aliases.

268. Late Static Binding के लिए कौन-सा keyword प्रयोग होता है?

[A] self

[B] this

[C] static

[D] parent

268. Which keyword is used for Late Static Binding?

[A] self

[B] this

[C] static

[D] parent

सही उत्तर: static

व्याख्या: Runtime class resolution के लिए।

Correct Answer: static

Explanation: Provides runtime class resolution.

269. self:: और static:: में मुख्य अंतर क्या है?

[A] कोई अंतर नहीं

[B] static late binding support करता है

[C] self faster है

[D] static केवल PHP 8 में है

269. What is the key difference between self:: and static::?

[A] No difference

[B] static supports late binding

[C] self is faster

[D] static exists only in PHP 8

सही उत्तर: static late binding support करता है

व्याख्या: Inheritance scenarios में अंतर पड़ता है।

Correct Answer: static supports late binding

Explanation: Important in inheritance scenarios.

270. PHP में __invoke() magic method कब execute होती है?

[A] Object Call होने पर

[B] File Open होने पर

[C] Session Start होने पर

[D] Array Access पर

270. When is __invoke() executed?

[A] When object is called like a function

[B] When file opens

[C] When session starts

[D] On array access

सही उत्तर: Object Call होने पर

व्याख्या: Object को function की तरह call करने पर।

Correct Answer: When object is called like a function

Explanation: Executed when object behaves like a function.