Basic PHP Which of following variables can be assigned a value to it?1. $3hello2. $_hello3. $this4. $This 2, 3 and 4 Only 2 All of the mentioned 2 and 4 2, 3 and 4 Only 2 All of the mentioned 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Basic PHP What will be the output of the following PHP code?$a = 5;$b = 5;echo ($a === $b); 1 False 5 === 5 Error 1 False 5 === 5 Error ANSWER DOWNLOAD EXAMIANS APP
Basic PHP Assigning the empty string (like ' ') to a variable automatically renders it empty. True False True False ANSWER DOWNLOAD EXAMIANS APP
Basic PHP As the namespace size grows, using namespaces can become a little repetitious, but PHP also provides the . . . . . statement, which allows you to alias a specific namespace. label grant use php label grant use php ANSWER DOWNLOAD EXAMIANS APP
Basic PHP The value of __NAMESPACE__ is a string that contains the current namespace name. In global, un-namespaced code, it contains . . . . . . NULL an empty string 0 gibberish value NULL an empty string 0 gibberish value ANSWER DOWNLOAD EXAMIANS APP
Basic PHP How does the identity operator === compare two values? It converts them to a common compatible data type and then compares the resulting values It converts both values to strings and compares them If the two values are strings, it performs a lexical comparison It bases its comparison on the C strcmp function exclusively It returns True only if they are both of the same type and value It converts them to a common compatible data type and then compares the resulting values It converts both values to strings and compares them If the two values are strings, it performs a lexical comparison It bases its comparison on the C strcmp function exclusively It returns True only if they are both of the same type and value ANSWER DOWNLOAD EXAMIANS APP