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_num() if_numeric is_numeric() is_number() is_num() if_numeric is_numeric() is_number() ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 0;function fun() {echo $GLOBALS['x'];$x++;}fun();fun();fun(); 012 Error 000 Nothing 012 Error 000 Nothing ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?echo $red; 0 True Nothing Error 0 True Nothing Error ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = red;$color2 = green;echo "$color1"."$color2"; green red green red error green red green red error ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$y = 2;if ($y-- == ++$y) {echo $y;} 3 2 no output 1 3 2 no output 1 ANSWER DOWNLOAD EXAMIANS APP
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