[ 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.
461. PHP 8 में Attribute define करने के लिए कौन-सा syntax उपयोग होता है?
[A] @Attribute
[B] #[Attribute]
[C]
[D] [Attribute]
461. Which syntax is used to define Attributes in PHP 8?
[A] @Attribute
[B] #[Attribute]
[C]
[D] [Attribute]
सही उत्तर: #[Attribute]
व्याख्या: PHP 8 native attribute syntax #[ ] है।
Correct Answer: #[Attribute]
Explanation: PHP 8 uses #[ ] syntax for attributes.
462. PHP Fiber किसलिए उपयोग होता है?
[A] Cooperative Multitasking
[B] Database Backup
[C] Image Processing
[D] Session Management
462. What are PHP Fibers used for?
[A] Cooperative Multitasking
[B] Database Backup
[C] Image Processing
[D] Session Management
सही उत्तर: Cooperative Multitasking
व्याख्या: Fibers lightweight concurrency प्रदान करते हैं।
Correct Answer: Cooperative Multitasking
Explanation: Fibers provide lightweight concurrency.
463. Fibers किस version में introduce हुए?
[A] PHP 8.0
[B] PHP 8.1
[C] PHP 8.2
[D] PHP 8.3
463. In which PHP version were Fibers introduced?
[A] PHP 8.0
[B] PHP 8.1
[C] PHP 8.2
[D] PHP 8.3
सही उत्तर: PHP 8.1
व्याख्या: Fibers asynchronous programming को support करते हैं।
Correct Answer: PHP 8.1
Explanation: Fibers support asynchronous programming.
464. Reflection API का उपयोग किसलिए किया जाता है?
[A] Runtime Inspection
[B] Session Handling
[C] Caching
[D] File Upload
464. What is Reflection API used for?
[A] Runtime Inspection
[B] Session Handling
[C] Caching
[D] File Upload
सही उत्तर: Runtime Inspection
व्याख्या: Classes, methods और properties की जानकारी runtime पर प्राप्त करता है।
Correct Answer: Runtime Inspection
Explanation: Inspects classes, methods and properties at runtime.
465. ReflectionClass किसका representation है?
[A] Class Metadata
[B] Database Table
[C] Session Data
[D] Array Data
465. What does ReflectionClass represent?
[A] Class Metadata
[B] Database Table
[C] Session Data
[D] Array Data
सही उत्तर: Class Metadata
व्याख्या: ReflectionClass class की runtime information देता है।
Correct Answer: Class Metadata
Explanation: Provides runtime information about a class.
466. ArrayObject किस library का हिस्सा है?
[A] SPL
[B] PDO
[C] GD
[D] cURL
466. ArrayObject belongs to which library?
[A] SPL
[B] PDO
[C] GD
[D] cURL
सही उत्तर: SPL
व्याख्या: SPL में object-oriented array handling प्रदान करता है।
Correct Answer: SPL
Explanation: Provides object-oriented array handling.
467. Iterator Interface का उद्देश्य क्या है?
[A] Object Traversal
[B] Database Access
[C] File Compression
[D] Session Storage
467. What is the purpose of Iterator Interface?
[A] Object Traversal
[B] Database Access
[C] File Compression
[D] Session Storage
सही उत्तर: Object Traversal
व्याख्या: Objects को foreach में iterate करने योग्य बनाता है।
Correct Answer: Object Traversal
Explanation: Makes objects iterable in foreach.
468. Countable Interface किस method को define करता है?
[A] count()
[B] size()
[C] length()
[D] total()
468. Which method is defined by Countable Interface?
[A] count()
[B] size()
[C] length()
[D] total()
सही उत्तर: count()
व्याख्या: Object को count() function के साथ compatible बनाता है।
Correct Answer: count()
Explanation: Allows object to work with count().
469. PSR-12 किससे संबंधित है?
[A] Coding Style
[B] Database Schema
[C] Session Security
[D] Caching
469. PSR-12 is related to?
[A] Coding Style
[B] Database Schema
[C] Session Security
[D] Caching
सही उत्तर: Coding Style
व्याख्या: PHP coding standards define करता है।
Correct Answer: Coding Style
Explanation: Defines PHP coding standards.
470. Strategy Pattern का मुख्य उद्देश्य क्या है?
[A] Runtime Algorithm Selection
[B] Database Optimization
[C] File Upload
[D] Session Storage
470. What is the main purpose of Strategy Pattern?
[A] Runtime Algorithm Selection
[B] Database Optimization
[C] File Upload
[D] Session Storage
सही उत्तर: Runtime Algorithm Selection
व्याख्या: Algorithm को runtime पर बदलने की सुविधा देता है।
Correct Answer: Runtime Algorithm Selection
Explanation: Allows changing algorithms at runtime.