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_numeric() is_num() is_number() if_numeric is_numeric() is_num() is_number() if_numeric 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 0 1 2 11 0 1 2 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$a = '12345';echo 'qwe{$a}rty'; no output qwe12345rty qwe{$a}rty error no output qwe12345rty qwe{$a}rty error ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$a = 12;--$a;echo $a++; 10 11 error 12 10 11 error 12 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$a = 1;$b = 1;$d = 1;print ++$a + ++$a+$a++;print $a++ + ++$b;print ++$d + $d++ + $a++; error 869 368 742 error 869 368 742 ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?print "echo hello world"; hello world error echo hello world nothing hello world error echo hello world nothing ANSWER DOWNLOAD EXAMIANS APP
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