PHP Arrays What will be the output of the following PHP code?$a = array("a"=>"red", "b"=>"green", "c"=>"blue");echo array_shift($a);print_r ($a); blue green none of the mentioned red blue green none of the mentioned red ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$fname = array("Peter", "Ben", "Joe");$age = array("35", "37", "43");$c = array_combine($age, $fname);print_r($c); Array ( [35] => Peter [37] => Ben [43] => Joe ) Array ( Peter Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( 35 37 43 ) Array ( [35] => Peter [37] => Ben [43] => Joe ) Array ( Peter Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( 35 37 43 ) ANSWER DOWNLOAD EXAMIANS APP
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 ) Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [0] => red [1] => green) Array ( [0] => blue [1] => yellow ) Array ( [0] => blue [1] => yellow [2] => red [3] => green ) Array ( [0] => red [1] => green [2] => blue [3] => yellow ) Array ( [0] => red [1] => green) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function can be used to move the pointer to the previous array position? previous() prev() last() before() previous() prev() last() before() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function will return true if a variable is an array or false if it is not? do_array() this_array() is_array() in_array() do_array() this_array() is_array() in_array() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Absent any actual need for choosing one method over the other, does passing arrays by value to a read-only function reduce performance compared to passing them by reference? Yes, but only if the array is large. Yes, but only if the function modifies the contents of the array. Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. No Yes, because the interpreter must always create a copy of the array before passing it to the function. Yes, but only if the array is large. Yes, but only if the function modifies the contents of the array. Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. No Yes, because the interpreter must always create a copy of the array before passing it to the function. ANSWER DOWNLOAD EXAMIANS APP
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