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Flow control statement if/switch
- WBOYOriginal
- 2016-07-30 13:29:571104browse
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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