}
if
( isset(
$arr
['attr2'] ) )
{
}
if
( isset(
$arr
['attr3'] ) )
{
}
}
$endTime
= microtime( true );
printf( “%d us.\n” , (
$endTime
–
$startTime
) * 1000000 );
$startTime
= microtime( true );
for
(
$i
= 0 ;
$i
< 1000 ;
$i
)
{
foreach
(
$arr
as
$key
=>
$value
)
{
switch
(
$key
)
{
case
‘attr1′:
break
;
case
‘attr2′: