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PHP Functions

PHP Functions
Which one of the following functions can be used to compress a string?

compress()
zip_compress()
gzcompress()
zip()

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PHP Functions
. . . . . converts the keys of an array into values and the values into keys.

array_flips()
array_transpose()
array_flip()
array_trans()

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PHP Functions
What will be the output of the following PHP code?
function sum($num1, $num2) {
$total = $num1 + $num2;
echo "chr($total)";
}
$var1 = "sum";
$var1(5, 44);

Sum
Error
49
1

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PHP Functions
What will be the output of the following PHP code?
echo ucwords("i love my country");

I Love My Country
i love my Country
I love my Country
I love my country

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PHP Functions
Which one of the following is the right way of defining a function in PHP?

data type functionName(parameters) { function body }
function fumctionName(parameters) { function body }
function { function body }
functionName(parameters) { function body }

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PHP Functions
What will be the output of the following PHP code?
echo strtr("Hilla Warld","ia","eo");

ia
eo
Hello World
Hilla Warld

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