What will be the output of the following PHP code? $a1 = array("red", "green"); $a2 = array("blue", "yellow"); $a3 = array_merge($a1, $a2); $a4 = array("a", "b", "c", "d"); $a = array_combine($a4, $a3); print_r($a);

PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [a] => blue [b] => yellow [c] => red [d] => green )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [a] => blue [b] => yellow [c] => red [d] => green )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

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PHP Arrays
What will be the output of the following PHP code?
$a = array("A", "Cat", "Dog", "A", "Dog");
print_r(array_count_values($a));

Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 1)

Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 1)

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PHP Arrays
What will be the output of the following PHP code?
$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");
print_r(array_chunk($cars, 2));

Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

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PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("apple", "orange", "banana");
echo (next($fruits));
echo (next($fruits));

appleapple

orangeorange

orangebanana

appleorange

appleapple

orangeorange

orangebanana

appleorange

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PHP Arrays
Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.

String, Boolean

Integer, string

Float, string

Even number, string

Positive number, negative number

String, Boolean

Integer, string

Float, string

Even number, string

Positive number, negative number

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PHP Arrays
What functions count elements in an array?
1. count
2. Sizeof
3. Array_Count
4. Count_array

Option 1 and 4

Option 3 and 4

Option 1 and 2

Option 2 and 4

Option 1 and 4

Option 3 and 4

Option 1 and 2

Option 2 and 4

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PHP Arrays

PHP Arrays What will be the output of the following PHP code?$a1 = array("red", "green");$a2 = array("blue", "yellow");$a3 = array_merge($a1, $a2);$a4 = array("a", "b", "c", "d");$a = array_combine($a4, $a3);print_r($a);

PHP Arrays What will be the output of the following PHP code?$a = array("A", "Cat", "Dog", "A", "Dog");print_r(array_count_values($a));

PHP Arrays What will be the output of the following PHP code?$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");print_r(array_chunk($cars, 2));

PHP Arrays What will be the output of the following PHP code?$fruits = array ("apple", "orange", "banana");echo (next($fruits));echo (next($fruits));

PHP Arrays Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.

PHP Arrays What functions count elements in an array?1. count2. Sizeof3. Array_Count4. Count_array

PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);

PHP Arrays
What will be the output of the following PHP code?
$a = array("A", "Cat", "Dog", "A", "Dog");
print_r(array_count_values($a));

PHP Arrays
What will be the output of the following PHP code?
$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");
print_r(array_chunk($cars, 2));

PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("apple", "orange", "banana");
echo (next($fruits));
echo (next($fruits));

PHP Arrays
Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.

PHP Arrays
What functions count elements in an array?
1. count
2. Sizeof
3. Array_Count
4. Count_array