What are the errors in the following PHP code? Hint is there a missing function

Question

What are the errors in the following PHP code? Hint is there a missing function call?

$string1 = “      A BIG STRING    “;

$string1 = trim($string1);

$strLen = $string1;

echo "Sting length after TRIM: " . $strLen . "</br>";

echo "String after TRIM: " . $string1 . "</br>";

What are the errors in the following PHP code? Hint: Is the array formatted correctly?

$cars = array('v' =>, 'f' =>, 't' => 'Tesla');

print_r ( $cars );

What are the errors in the following PHP code?
HINT: The money function requires another function call before you can use it. Is it there?

   $priceAmount = 1234.56;

   $priceOut1 = money_format( "%i", $priceAmount);

   echo "Price with " . '"%i"' . " " . $priceOut1 . "</br>";

What are the errors in the following PHP code?
Hint the date function requires anther function call before you can use it. Is it there?

// Prints the day

echo date("l") . "<br>";

// Prints something like: Monday 8th of August 2005 03:12:46 PM

echo date('l jS of F Y h:i:s A') . "<br>";

What are the errors in the following PHP code? Hint strlen does what? Is it for arrays?

$cars = array('Volvo', 'Ford', 'Tesla', 'Honda', 'BMW', 'Volkswagen');

$sizeOfArray = strlen($cars);

    
      echo $sizeofArray;

$string1 = “      A BIG STRING    “;

$string1 = trim($string1);

$strLen = $string1;

echo "Sting length after TRIM: " . $strLen . "</br>";

echo "String after TRIM: " . $string1 . "</br>";

Explanation / Answer

1.

$string1 = “      A BIG STRING    “;

$string1 = trim($string1);

$strLen =strlen( $string1);

echo "Sting length after TRIM: " . $strLen . "</br>";

echo "String after TRIM: " . $string1 . "</br>";

2.

$cars = array('v' =>'Volvo', 'f' =>'Ferrari', 't' => 'Tesla');

print_r ( $cars );

3.

$priceAmount = 1234.56;

  setlocale(LC_MONETARY, 'en_US');

   $priceOut1 = money_format( "%i", $priceAmount);

   echo "Price with " . '"%i"' . " " . $priceOut1 . "</br>";

4.

// Prints the day

echo date("l") . "<br>";

date_default_timezone_set('UTC');

// Prints something like: Monday 8th of August 2005 03:12:46 PM

echo date('l jS of F Y h:i:s A') . "<br>";

5.

$cars = array('Volvo', 'Ford', 'Tesla', 'Honda', 'BMW', 'Volkswagen');

$sizeOfArray = count($cars);

    
      echo $sizeofArray;

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