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: if_numeric is_number() is_numeric() is_num() if_numeric is_number() is_numeric() is_num() ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 5;$y = 10;function fun() {$y = $GLOBALS['x'] + $GLOBALS['y'];}fun();echo $y; 15 Error 10 5 15 Error 10 5 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 1;$y = 2;if (++$x == $y++) {echo "true ", $y, $x;} true 23 true 22 no output true 33 true 23 true 22 no output true 33 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = red;$color2 = green;echo "$color1"."$color2"; error red green red green error red green red green ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = "1";$color2 = "1";echo "$color1" + "$color2"; 11 2 0 1 11 2 0 1 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color = "red";echo "$color";echo "$COLOR";echo "$Color"; Error redredred redred red Error redredred redred red ANSWER DOWNLOAD EXAMIANS APP
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