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<?php
function getmicrotime(){
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
//Àý×Ó
//¿ªÊ¼
$time_start = getmicrotime();
//ÕâÀï·ÅÄãµÄ´úÂë
//½áÊø
$time_end = getmicrotime();
$time = $time_end - $time_start;
echo "Did nothing in $time seconds"; //Êä³öÔËÐÐ×Üʱ¼ä
?>
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function delete_array_element($arr,$i) {
$len = count($arr);
for($j=$i; $j<$len; $j++) {
$arr[$j] = $arr[$j+1];
}
array_pop($arr);//½«Êý×éµÄ×îºóÒ»¸öµ¥Ôªµ¯³ö
return $arr;
}
for($i=0; $i<10; $i++) {
$arr1[$i] = $i+1;
}
print_r($arr1);
echo "< ......
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