<?php
//声明变量
$num1 = 2;
if($num1 === 1){
echo "false";
}elseif($num1 === 3){
echo "false";
}else{
echo "true";
}
?>
<?php
//声明变量
$num1 = 2;
if($num1 === 1){
echo "false";
}elseif($num1 === 3){
echo "false";
}else{
echo "true";
}
?>