explain for() function...

[DMonster]

i dont understand how this for() is working. Here is my questions:
1.if($current == $i){
echo $i;
}
why the code above only echo "1" ?
2. follow what i studied if -if(true) then else() will not work- but the code below at else() statement still working if u delete the else() the echo will be //1 on the other hand it will echo "1,2345678"..> any ideas?

<?php
$page = 8;
$current = 1 ;
for($i=1;$i<=$page;$i++){
if($current == $i){
echo $i;
}else
{
echo $i;
}
}
?>

thanks for any help

[dagon]

1. as $current never changes there will only be one match, when $i is 1

not sure if this helps clear things up.

<?php
$page = 8;
$current = 1;

for($i = 1 ; $i<=$page ; $i++){
	if($current==$i){
		echo '*'.$i.',';
	}else{
		echo $i.',';
	}
}
//*1,2,3,4,5,6,7,8,
//change current to 6
//1,2,3,4,5,*6,7,8,
?>

[DMonster]

thanks i got it now but can u explain why else statement can run in this for() loop

[dagon]

taking $current to be 1

loop start
loop 1: $current =1, $i=1; match on if, no else run
loop 2: $current =1, $i=2; no match on if so else run
loop 3: $current =1, $i=3; no match on if so else run
loop 4: $current =1, $i=4; no match on if so else run
loop 5: $current =1, $i=5; no match on if so else run
loop 6: $current =1, $i=6; no match on if so else run
loop 7: $current =1, $i=7; no match on if so else run
loop 8: $current =1, $i=8; no match on if so else run
loop end.

hope that helps.