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1
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It is a popular server-side scripting language used
for web development
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2
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Both are used to output data, but "echo" can output
multiple values separated by commas, while "print" can only output a single value
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3
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It returns true if
the variable exists and has a value, and false otherwise
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4
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The GET method
sends form data as part of the URL, visible in the address bar
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Both methods can be used depending on the requirements of the form
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Explain setcookie ( ) in PHP
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Cookies are
small pieces of data stored on the client-side that can be used to remember user
preferences or track user sessions
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6
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It allows you to store information about a user's session, such as
their username, preferences, or shopping cart items
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7
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I'm sorry, but the "split()" function in PHP has been deprecated since PHP 5
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0 and removed in
PHP 7
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0
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However, you can achieve the same functionality using the "explode()" function in PHP
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What does PEAR stands for?
PEAR stands for PHP Extension and Application Repository
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PEAR provides a structured approach to package
management in PHP, allowing developers to easily share and reuse code
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9
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It is commonly used for debugging purposes, as it helps
you understand the structure and values stored in complex data types
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10
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When you unset a variable, its memory is freed up, and the variable is no longer accessible
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This can be useful when you want to remove unnecessary data or
release resources associated with a variable
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List the types of array
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You can access elements using their index
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You can access elements using their keys instead of numeric indices
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They can be
used to represent complex data structures, such as matrices or tables
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What are different arithmatic operators in PHP?
- Addition (+): Used to add two numbers together
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- Multiplication (*): Used to multiply two numbers
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- Modulus (%): Used to find the remainder of a division operation
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13
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It serves as a blueprint for
other classes and can contain both abstract and non-abstract methods
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Abstract classes are useful when you want to define
common functionality that should be shared among multiple classes
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Define sticky form
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This is useful when you want to provide a better user experience and prevent users
from having to re-enter all the form data in case of errors or validation failures
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15
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In the context of web development, it often involves validating
form input to ensure that it is correct, complete, and safe
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16
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It allows you to specify the starting index and length of the desired portion
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17
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what is the use of session?
The `session` in PHP is used to store and manage user-specific data across multiple requests
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This can be useful for maintaining user login status, storing shopping cart
information, or tracking user preferences
19
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When this attribute is added to the `