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Questions and Answers
Which function is used for array inspection in PHP?
What is the purpose of foreach loop in PHP?
What is an associative array in PHP?
What is the purpose of static variables in PHP functions?
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Which keyword is used to declare a user-defined function in PHP?
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Study Notes
PHP Fundamentals
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print_r()function is used for array inspection in PHP, allowing developers to print human-readable information about a variable.
Loops in PHP
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foreachloop is used to iterate over arrays or objects, executing a block of code for each item in the collection.
Array Types in PHP
- An associative array in PHP is a type of array that uses strings or integers as keys, allowing developers to store and retrieve data using named keys.
Variables in PHP
- Static variables in PHP functions retain their value between function calls, allowing for persistent data storage within a function's scope.
Defining Functions in PHP
- The
functionkeyword is used to declare a user-defined function in PHP, enabling the creation of reusable blocks of code.
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Description
Test your knowledge of PHP arrays and user-defined functions with this quiz. Learn about the different approaches to using arrays in PHP, how to inspect arrays using functions like print_r and var_dump, and how to iterate through array elements using the foreach function. Explore one-dimensional and multi-dimensional arrays, as well as associative arrays.
