<?phpecho count_chars("AA",1);?>13.A variable &dollar;str is set to "H – McqOptions

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1.	<?phpecho count_chars("AA",1);?> 13.A variable $str is set to "HELLO WORLD", which of the following script returns it title case?
A.	echo ucwords(&dollar;str)
B.	echo ucwords(strtolower(&dollar;str)
C.	echo ucfirst(&dollar;str)
D.	echo ucfirst(strtolower(&dollar;str)
Answer» C. echo ucfirst(&dollar;str)

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