Basic PHP
Which of the following PHP statements will output Hello World on the screen?
1. echo (“Hello World”);
2. print (“Hello World”);
3. printf (“Hello World”);
4. sprintf (“Hello World”);

1, 2 and 3
1 and 2
1, 2 and 4
All of the mentioned

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Basic PHP
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

When the function is being declared as a member of a class
When the parameter is Boolean
When the parameter is being declared as passed by reference
When the function contains only one parameter
Never

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