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Question:What will happen with the following code segment?
$ = array( 1 => 'one', 2 => 'two', 3 => 'three');
unset($a[2]);

A $a[2] is 'three' and $a[3] is undefined 
B $a[2] is 'three' and $a is 'three' 
C $a[2] is undefined and $a [3] is 'three' 
D $a[2] is undegined and $a[3] is undefined

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Question:What will happen with the following code segment? $ = array( 1 => 'one', 2 => 'two', 3 => 'three'); unset($a[2]);

A $a[2] is 'three' and $a[3] is undefined

B $a[2] is 'three' and $a is 'three'

C $a[2] is undefined and $a [3] is 'three'

D $a[2] is undegined and $a[3] is undefined

A