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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");

8
3
7
10

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PHP Functions
What will be the output of the following PHP code?
function a() {
function b() {
echo 'I am b';
}
echo 'I am a';
}
a();
a();

I am bI am a
Error
I am a Error
I am b

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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
Returning values from functions may include .....

None of above
Objects
Both A & B
Arrays

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PHP Functions
What will be the output of the following PHP code?
echo ord ("hi");

104
103
209
106

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PHP Functions
What will be the output of the following PHP code?
$op2 = "blabla";
function foo($op1) {
echo $op1;
echo $op2;
}
foo("hello");

hello
helloblablablabla
error
helloblabla

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