PHP Operators and Expressions In order to find if a variable holds an actual number or a string containing characters that can be translated into a number you can use: is_number() if_numeric is_num() is_numeric() is_number() if_numeric is_num() is_numeric() ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$one = "Hello";$two = "World";echo $one, $two; Hello HelloWorld Hello World World Hello HelloWorld Hello World World ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$a = '4';print + + $a; 5 no output 0 error 5 no output 0 error ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = "red";$color2 = "1";$color3 = "grey";echo "$color1" + "$color2" . "$color3"; grey 1grey 0 red1grey grey 1grey 0 red1grey ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?class myObject { }define('myObject::CONSTANT', 'test');echo myObject::CONSTANT; test myObject::CONSTANT error no output test myObject::CONSTANT error no output ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?# echo "Hello world";echo "# Hello world"; Hello world# Hello world Error # Hello world Hello world Hello world# Hello world Error # Hello world Hello world ANSWER DOWNLOAD EXAMIANS APP