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How can comments be implemented in PHP?

Select one:
a. // commented code to the end of the line
b. / commented code can be on multiple lines /
c. # commented code to the end of the line
d. All of the above
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What character concatenates strings in PHP?
a.  
b.  
c.  
d.RIGHT

Select one:
a. ;
b. &
c. *
d. .
Question 3
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Which one is NOT a valid PHP comparison operator?

Select one:
a. !=
b. <>
c. !<
d. ===
Question 4
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How do you write "Hello World" in PHP?

Select one:
a. Document.Write("Hello World");
b. echo “Hello World”;
c. “Hello World”
d. system.out.println(“Hello World”);

Explanation / Answer

1.   a. // commented code to the end of the line
2.   d. .
3.   c. !<
4.   b. echo “Hello World”;

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