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Functions in php

What is the syntax for defining a function in PHP?

Function myFunction()

MyFunction()

Def myFunction():

MyFunction:

Which of the following is not a valid way to call a function in PHP?

MyFunction();

$this->myFunction();

MyClass::myFunction();

Call_user_func('myFunction');

MyFunction;

What does the 'return' statement do in a PHP function?

Ends the execution of the function and returns a value

Prints a message to the screen

Assigns a value to a variable

Calls another function

Which of the following is an example of a built-in PHP function?

Strlen()

MyFunction()

Print()

Array_push()

Sort()

What does the array_push() function do in PHP?

Adds one or more elements to the end of an array

Removes the last element from an array

Sorts the elements of an array in ascending order

Returns the number of elements in an array

Which of the following is the correct way to access an element in a multidimensional array in PHP?

$array[0][1]

$array[1,0]

$array[0]->[1]

$array[1][0]

$array[0,1]

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