PHP Arrays Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well. Float, string String, Boolean Even number, string Integer, string Positive number, negative number Float, string String, Boolean Even number, string Integer, string Positive number, negative number 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 ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( [35] => Peter [37] => Ben [43] => Joe ) Array ( Peter Ben Joe ) Array ( 35 37 43 ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( [35] => Peter [37] => Ben [43] => Joe ) Array ( Peter Ben Joe ) Array ( 35 37 43 ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which of the following are correct ways of creating an array?1. state[0] = “karnataka”;2. $state[] = array(“karnataka”);3. $state[0] = “karnataka”;4. $state = array(“karnataka”); 2 and 3 3 and 4 2, 3 and 4 Only 1 2 and 3 3 and 4 2, 3 and 4 Only 1 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$fname = array("Peter", "Ben", "Joe");$age = array("35", "37", "43");$c = array_combine($fname, $age);print_r($c); Array ( Peter Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( 35 37 43 ) Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) Array ( Peter Ben Joe ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( 35 37 43 ) Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” ) 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? No Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. Yes, but only if the array is large. Yes, but only if the function modifies the contents of the array. Yes, because the interpreter must always create a copy of the array before passing it to the function. No Yes, because PHP must monitor the execution of the function to determine if changes are made to the array. Yes, but only if the array is large. Yes, but only if the function modifies the contents of the array. Yes, because the interpreter must always create a copy of the array before passing it to the function. ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");print_r(array_change_key_case($age, CASE_UPPER)); Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 ) Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 ) Array ( [peter] => 35 [ben] => 37 [joe] => 43 ) Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 ) Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 ) Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 ) Array ( [peter] => 35 [ben] => 37 [joe] => 43 ) ANSWER DOWNLOAD EXAMIANS APP
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