PHP ループ

1.for
2.foreach
3.while
4.do ~ while

1.for

$sum=0;

for($i;$i<10;$i++){

$sum+=$i;

}

print $sum;

>45

2.foreach

$arr=array('Mon'=>'Monday','Tue'=>'Tuesday,'Wed'=>'Wednesday');

foreach($arr as $value){

print "$value\n";

}

>Monday
>Tuesday
>Wednesday

$arr=array('Mon'=>'Monday','Tue'=>'Tuesday,'Wed'=>'Wednesday');

foreach($arr as $key=>$value){

print "[$key]:";

print "[$value]\n";

}

>[Mon]:[Monday]
>[Tue]:[Tuesday]
>[Wed]:[Wednesday]

3.while

$var=1;

while($var<5){

print $var++;

}

>1234

4.do ~ while

$var=10;

do{

print $var++;

}while($var<5)

>10