What will be the output of the following PHP code?<br/>$a1 = array("red", "green");<br/>$a2 = array("blue", "yellow");<br/>print_r(array_merge($a1, $a2));

PHP Arrays
What will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
print_r(array_merge($a1, $a2));

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

Array ( [0] => red [1] => green)

Array ( [0] => blue [1] => yellow )

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

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

Array ( [0] => red [1] => green)

Array ( [0] => blue [1] => 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?
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

$brother

Sam is the brother of Bob and Bob) $brother

Error

Sam is the brother of Bob and Bob)

$brother

Sam is the brother of Bob and Bob) $brother

Error

Sam is the brother of Bob and Bob)

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PHP Arrays
Which array function checks if the specified key exists in the array?

arrays_key_exists()

array_key_exists()

array_keys_exists()

array_key_exist()

arrays_key_exists()

array_key_exists()

array_keys_exists()

array_key_exist()

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PHP Arrays
Which function returns an array consisting of associative key/value pairs?

count_values()

count()

array_count_values()

array_count()

count_values()

count()

array_count_values()

array_count()

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PHP Arrays
What will be the output of the following PHP code ?
$number = range(0, 5);
print_r ($number);

Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 )

Array ( [0] => 5 [1] => 5 [2] => 5 [3] => 5 [4] => 5 [5] => 5 )

Array ( [0] => 0 [5] => 5 )

Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 0 [4] => 0 [5] => 0 )

Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 )

Array ( [0] => 5 [1] => 5 [2] => 5 [3] => 5 [4] => 5 [5] => 5 )

Array ( [0] => 0 [5] => 5 )

Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 0 [4] => 0 [5] => 0 )

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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.

Even number, string

Float, string

Positive number, negative number

Integer, string

String, Boolean

Even number, string

Float, string

Positive number, negative number

Integer, string

String, Boolean

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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");print_r(array_merge($a1, $a2));

PHP Arrays What will be the output of the following PHP code?$names = array("Sam", "Bob", "Jack");echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

PHP Arrays Which array function checks if the specified key exists in the array?

PHP Arrays Which function returns an array consisting of associative key/value pairs?

PHP Arrays What will be the output of the following PHP code ?$number = range(0, 5);print_r ($number);

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 will be the output of the following PHP code?
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
print_r(array_merge($a1, $a2));

PHP Arrays
What will be the output of the following PHP code?
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

PHP Arrays
Which array function checks if the specified key exists in the array?

PHP Arrays
Which function returns an array consisting of associative key/value pairs?

PHP Arrays
What will be the output of the following PHP code ?
$number = range(0, 5);
print_r ($number);

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.