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PHP Functions

PHP Functions
What will be the output of the following PHP code?
echo stripos("I love php, I love php too!","PHP");

7
8
10
3

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PHP Functions
What will happen in this function call?
function calc($price, $tax) {
$total = $price + $tax;
}
$pricetag = 15;
$taxtag = 3;
calc($pricetag, $taxtag);

Type Hinting
Default Argument Value
Call By Reference
Call By Value

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PHP Functions
What will be the output of the following PHP code ?
function time($string)
{
echo strtr("Towe Pa55", "ow5", $string);
}
time("ims");

Towe Pa55
Time Pass
Time Pa55
Towe Pass

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PHP Functions
What will be the output of the following PHP code?
function b() {
echo "b is executed";
}
function a()
{
b();
echo "a is executed";
b();
}
a();

b is executedb is executedb is executed
b is executeda is executedb is executed
b is executeda is executed
a is executed

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PHP Functions
The arguments in a function are evaluated from .....

left to right
sometimes left to right and sometimes right to left
right to left
Always right to left

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

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

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