WP 11-15

What will be the output of the following PHP code? <?php $x = 23; echo ( $x < 24 ); ?>

• Displays 1 (true)
• Displays 24
• Displays 23
• Displays “” (false)

What will be the output of the following PHP code? <?php $x = 23; echo ( $x <“24” ); ?>

• Displays “” (false)
• Displays 1 (true)
• Displays 24
• Displays 23

What will be the output of the following PHP code? <?php $x = 23; echo ( $x ===23 ); ?>

• Displays “” (false)
• Displays 1 (true)
• Displays 24
• Displays 23

What will be the output of the following PHP code? <?php $x = 2; $y = 3; echo ( ($x == 2) xor ($y == 3) ); ?>

• Displays “” (false)
• Displays 1 (true)
• Displays 2
• Displays 3

Let $x and $y be the two arrays in PHP. Which array operator is used for the union of $x and $y?

• +
• U
• ,
• &

A switch statement in PHP is used to ________

• switch between functions
• switch between variables
• switch between lines
• choose from multiple possibilities

The_______ loops through a block of code for each element in an array in PHP.

• for
• while
• do...while
• foreach

In PHP the _____ loop will always execute the block of code once, it will then check the condition, and repeat the loop while the specified condition is true.

• for
• while
• do...while
• foreach

In PHP the _______ function returns the total number of characters in a string.

• len()
• str_length()
• length()
• strlen()

In PHP the __________ functionis used to find out whether some text occurs within a string.

• strstr()
• find()
• count()
• str_find()