Flow control statement if/switch

WBOY
Release: 2016-07-30 13:29:57
Original
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if(0) {

echo "true";

} else {

echo "false";

}

?>

output result :false

if(1) {

echo "true";

} else {

echo "false";

}

?>

output result : True


//$a is 6 six, 7 seven, 8 eight, null none

//$a=7; Result: seven

//$ a=5; Result: None

switch($a) {

case 6:

echo "6";

break; //Jump out of the current switch

case 7:

echo "seven";

break;

case 8:

echo "eight";

break;

default:

echo "None";

}

?>

When nothing is entered, the result is: None


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The above introduces the process control statement if/switch, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

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