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

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

helloblablablabla

Error

helloblabla

hello

helloblablablabla

Error

helloblabla

hello

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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);

Error

1

Sum

49

Error

1

Sum

49

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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();

Error

I am b

I am bI am a

I am a Error

Error

I am b

I am bI am a

I am a Error

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PHP Functions
What will be the output of the following PHP code?
echo lcfirst("welcome to my India");

welcome to my India

Welcome to my india

welcome to my india

Welcome to my India

welcome to my India

Welcome to my india

welcome to my india

Welcome to my India

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PHP Functions
What will be the output of the following PHP code ?
function calc($num1, $num2)
{
$total = $num1 * $num2;
}
$result = calc(42, 0);
echo $result;

42

84

Error

0

42

84

Error

0

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PHP Functions
Which of the following PHP functions can be used to get the current memory usage?

get_memory_usage()

get_memory_peak_usage()

get_usage()

get_peak_usage()

get_memory_usage()

get_memory_peak_usage()

get_usage()

get_peak_usage()

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PHP Functions

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

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);

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();

PHP Functions What will be the output of the following PHP code?echo lcfirst("welcome to my India");

PHP Functions What will be the output of the following PHP code ?function calc($num1, $num2){$total = $num1 * $num2;}$result = calc(42, 0);echo $result;

PHP Functions Which of the following PHP functions can be used to get the current memory usage?

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

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);

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();

PHP Functions
What will be the output of the following PHP code?
echo lcfirst("welcome to my India");

PHP Functions
What will be the output of the following PHP code ?
function calc($num1, $num2)
{
$total = $num1 * $num2;
}
$result = calc(42, 0);
echo $result;

PHP Functions
Which of the following PHP functions can be used to get the current memory usage?