" ;
$mood = "happy" ;
if ( $mood == "sad" ) {
echo "I'm sad.
" ;
}
if ( $mood == "sad" ) {
echo "I'm sad.
" ;
} else {
echo "I'm not sad.
" ;
}
if ( $mood == "sad" ) {
echo "I'm sad.
" ;
} elseif ( $mood == "happy" ) {
echo "I'm happy.
" ;
} else {
echo "I'm neither happy nor sad. I'm $mood.
";
}
echo "
" ;
echo "Switch statement:
" ;
$mood = "ambiguous" ;
switch ( $mood ) {
case "sad" :
echo "I'm sad.
" ;
break ;
case "happy" :
echo "I'm happy.
" ;
break ;
default :
echo "I'm neither happy nor sad. I'm $mood.
" ;
break ;
}
echo "
" ;
echo "While statement:
" ;
$a = 10 ;
while ( $a > 3 ) {
echo "\$a = $a
" ;
$a -= 0.6 ;
}
echo "
" ;
echo "Do-while statement:
" ;
$a = 10 ;
do {
echo "\$a = $a
" ;
$a -= 0.6 ;
} while ( $a > 3 ) ;
echo "
" ;
echo "For statement:
" ;
for ( $a = 10 ; $a > 3 ; $a -= 0.6 ) {
echo "\$a = $a
" ;
}
echo "
" ;
echo "A simple count up:
" ;
for ( $a = 1 ; $a <= 10 ; $a++ ) {
echo "\$a = $a
" ;
}
echo "
" ;
echo "A simple count down:
" ;
for ( $a = 10 ; $a >= 1 ; $a-- ) {
echo "\$a = $a
" ;
}
?>