Functions MCQ question and answer with solution | PHP Programming

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41.
What will be the output of the following PHP code? 
<?php
    echo ucwords("i love my country");
?>

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42.
What will be the output of the following PHP code? 
<?php
    echo lcfirst("welcome to India");
?>

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43.
What will be the output of the following PHP code? 
<?php
    echo hex2bin("48656c6c6f20576f726c6421");
?>

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44.
What will be the output of the following PHP code? 
<?php 
    $str = addslashes('What does "yolo" mean?');
    echo($str); 
?>

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45.
What will be the output of the following PHP code? 
<?php
    $str = "Hello world. It's a beautiful day.";
    print_r (explode(" ",$str));
?>

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46.
What will be the output of the following PHP code? 
<?php
  echo strtr("Hilla Warld","ia","eo");
?>

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47.
What will be the output of the following PHP code? 
<?php
    echo stripos("I love php, I love php too!","PHP");
?>

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48.
What will be the output of the following PHP code ? 
<?php
function A1($x)
{
  switch($x)
  {
  case 1: 
    //this statement is the same as if($x == 1)
    echo 'Case 1 was executed.';
    break;
  case 2: 
    //this statement is the same as if($x == 2)
    echo 'Case 2 was executed.';
    break;
  case 3: 
    //this statement is the same as if($x == 3)
    echo 'Case 3 was executed.';
    break;
  case 4: 
    //this statement is the same as if($x == 4)
    echo 'Case 4 was executed.';
    break;
  default: 
    //this statement is the same as if $x does not equal the other conditions
    echo 'Default was executed.';
    break;
  }
}
A1(9);
?>

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49.
What will be the output of the following PHP code ? 
<?php
    function uppercase($string)
    {
        echo ucwords($string);
    }
    $wow = "uppercase";
    $wow("Time to live king size");
?>

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50.
What will be the output of the following PHP code ? 
<?php
function TV($string)
{
    echo "my favourite TV show is ".$string;
    function b()
    {
       echo " I am here to spoil this code";
    }
}
b();
?>

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