PHP Operators and Expressions What will be the output of the following PHP code ?$x = "test";$y = "this";$z = "also";$x .= $y .= $z ;echo $x;echo $y; testthis testthisthisalso error at line 4 testthisalsothisalso testthis testthisthisalso error at line 4 testthisalsothisalso ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$color1 = "red";$color2 = "1";$color3 = "grey";echo "$color1" + "$color2" . "$color3"; 1grey 0 grey red1grey 1grey 0 grey red1grey ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions In order to find if a variable holds an actual number or a string containing characters that can be translated into a number you can use: is_num() is_numeric() is_number() if_numeric is_num() is_numeric() is_number() if_numeric ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$i = 0;while ($i = 10) {print "hi";}print "hello"; error infinite loop hello hihello error infinite loop hello hihello ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 4;$y = 3$z = 1;$z = $z + $x + $y;echo "$z"; 8 15 1 $z 8 15 1 $z ANSWER DOWNLOAD EXAMIANS APP
PHP Operators and Expressions What will be the output of the following PHP code ?$x = 5;$y = 10;function fun() {$GLOBALS['y'] = $GLOBALS['x'] + $GLOBALS['y'];}fun();echo $y; 15 5 Error 10 15 5 Error 10 ANSWER DOWNLOAD EXAMIANS APP
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