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2016 Oct 200-530 question
Q171. Which string will be returned by the following function call?
$test = '/etc/conf.d/wireless'
substr($test, strrpos($test, '/'));
A. ""
B. "/wireless"
C. "wireless"
D. "/conf.d/wireless"
E. "/etc"
Answer: B
Q172. How many elements does the $matches array contain after the following function call is performed?
preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=200[0-9])/', '21st March
2006', $matches);
A. 1
B. 2
C. 3
D. 4
Answer: C
Q173. Given the following code, what is correct?
function f(stdClass &$x = NULL) { $x = 42;
}
$z = new stdClass;
f($z);
var_dump($z);
A. Error: Typehints cannot be NULL
B. Error: Typehints cannot be references
C. Result is NULL
D. Result is object of type stdClass E. Result is 42
Answer: E
Renovate 200-530 testing engine:
Q174. When PHP is running on a command line, what super-global will contain the command line arguments specified?
A. $_SERVER
B. $_ENV
C. $GLOBALS
D. $_POST
E. $_ARGV
Answer: A
Q175. Which of the following techniques ensures that a value submitted in a form can only be yes or no?
A. Use a select list that only lets the user choose between yes and no.
B. Use a hidden input field that has a value of yes or no.
C. Enable the safe_mode configuration directive.
D. None of the above.
Answer: D
Q176. What will be the result of the following operation?
array_combine(array("A","B","C"), array(1,2,3));
A. array("A","B",C",1,2,3)
B. array(1,2,3,"A","B",C")
C. array("A"=>1,"B"=>2,"C"=>3)
D. array(1=>"A",2=>"B",3=>"C")
E. array(1,2,3)
Answer: C
Q177. What is the output of the following code?
echo "22" + "0.2", 23 . 1;
A. 220.2231
B. 22.2231
C. 22.2,231
D. 56.2
Answer: B
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