[ 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.

271. PHP में __toString() magic method का उद्देश्य क्या है?

[A] Convert Object to String

[B] Convert Array

[C] Convert Integer

[D] Convert Session

271. What is the purpose of __toString()?

[A] Convert Object to String

[B] Convert Array

[C] Convert Integer

[D] Convert Session

सही उत्तर: Convert Object to String

व्याख्या: Object को string के रूप में represent करता है।

Correct Answer: Convert Object to String

Explanation: Represents an object as a string.

272. PHP में ArrayAccess interface का उद्देश्य क्या है?

[A] Database Access

[B] Array-like Object Access

[C] File Access

[D] Session Access

272. What is the purpose of ArrayAccess interface?

[A] Database Access

[B] Array-like Object Access

[C] File Access

[D] Session Access

सही उत्तर: Array-like Object Access

व्याख्या: Objects को array syntax से access करने देता है।

Correct Answer: Array-like Object Access

Explanation: Allows objects to behave like arrays.

273. Countable interface में कौन-सा method implement करना आवश्यक है?

[A] count()

[B] size()

[C] length()

[D] total()

273. Which method must be implemented by Countable interface?

[A] count()

[B] size()

[C] length()

[D] total()

सही उत्तर: count()

व्याख्या: Object count करने के लिए।

Correct Answer: count()

Explanation: Used to count objects.

274. Serializable interface का उद्देश्य क्या है?

[A] Object Serialization

[B] Database Storage

[C] Session Start

[D] Route Definition

274. What is the purpose of Serializable interface?

[A] Object Serialization

[B] Database Storage

[C] Session Start

[D] Route Definition

सही उत्तर: Object Serialization

व्याख्या: Objects को store या transfer करने हेतु serialize करना।

Correct Answer: Object Serialization

Explanation: Allows objects to be serialized and restored.

275. PHP Streams का मुख्य उद्देश्य क्या है?

[A] Database Management

[B] Unified Data Access

[C] Session Storage

[D] Template Rendering

275. What is the primary purpose of PHP Streams?

[A] Database Management

[B] Unified Data Access

[C] Session Storage

[D] Template Rendering

सही उत्तर: Unified Data Access

व्याख्या: Files, URLs और other resources को एक समान interface से access करने के लिए।

Correct Answer: Unified Data Access

Explanation: Provides a unified interface for files, URLs and resources.

276. PHP में php://memory stream किसलिए प्रयोग होती है?

[A] Database Cache

[B] Temporary Memory Storage

[C] Session Storage

[D] Cookie Storage

276. What is php://memory stream used for?

[A] Database Cache

[B] Temporary Memory Storage

[C] Session Storage

[D] Cookie Storage

सही उत्तर: Temporary Memory Storage

व्याख्या: Memory में temporary data store करने के लिए।

Correct Answer: Temporary Memory Storage

Explanation: Used for temporary in-memory data storage.

277. PHP Stream Filters का उपयोग किसलिए किया जाता है?

[A] Modify Stream Data

[B] Delete Files

[C] Create Sessions

[D] Encrypt Database

277. What are PHP Stream Filters used for?

[A] Modify Stream Data

[B] Delete Files

[C] Create Sessions

[D] Encrypt Database

सही उत्तर: Modify Stream Data

व्याख्या: Read/write के दौरान data transform करने के लिए।

Correct Answer: Modify Stream Data

Explanation: Transforms data while reading or writing streams.

278. Fibers को PHP में किस version में introduce किया गया?

[A] PHP 7.4

[B] PHP 8.0

[C] PHP 8.1

[D] PHP 8.2

278. In which PHP version were Fibers introduced?

[A] PHP 7.4

[B] PHP 8.0

[C] PHP 8.1

[D] PHP 8.2

सही उत्तर: PHP 8.1

व्याख्या: Lightweight concurrency support के लिए।

Correct Answer: PHP 8.1

Explanation: Introduced for lightweight concurrency.

279. Fiber का मुख्य उद्देश्य क्या है?

[A] Database Replication

[B] Cooperative Multitasking

[C] Session Tracking

[D] Template Parsing

279. What is the main purpose of Fibers?

[A] Database Replication

[B] Cooperative Multitasking

[C] Session Tracking

[D] Template Parsing

सही उत्तर: Cooperative Multitasking

व्याख्या: Concurrent execution को आसान बनाना।

Correct Answer: Cooperative Multitasking

Explanation: Enables concurrent execution patterns.

280. PHP Attributes को किस version में introduce किया गया?

[A] PHP 7.4

[B] PHP 8.0

[C] PHP 8.1

[D] PHP 8.2

280. In which PHP version were Attributes introduced?

[A] PHP 7.4

[B] PHP 8.0

[C] PHP 8.1

[D] PHP 8.2

सही उत्तर: PHP 8.0

व्याख्या: Native metadata support के लिए।

Correct Answer: PHP 8.0

Explanation: Introduced for native metadata support.