PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = "red";$color2 = "1";$color3 = "grey";echo "$color1" + "$color2" . "$color3"; 0 grey red1grey 1grey 0 grey red1grey 1grey ANSWER DOWNLOAD EXAMIANS APP
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_numeric() is_number() is_num() if_numeric is_numeric() is_number() is_num() ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?echo "Hello World" Hello world Nothing Error Hello world in italics Hello world Nothing Error Hello world in italics ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 5;{$x = 10;echo "$x";}echo "$x"; 1010 510 105 error 1010 510 105 error ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$i = 5;while (--$i > 0) {$i++;print $i;print "hello";} no output 4hello4hello4hello4hello4hello…..infinite error 5hello5hello5hello5hello5hello…..infinite no output 4hello4hello4hello4hello4hello…..infinite error 5hello5hello5hello5hello5hello…..infinite ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$a = '4';print + + $a; 5 no output 0 error 5 no output 0 error ANSWER DOWNLOAD EXAMIANS APP
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