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i heard that sprintf function is faster than echo. is it true??

my question is writed in the title. i have used resource hacker and dll export viewer 1.36 version, but both of them didn't help me. so, how to view the codes and function from php dll files??

I have two php files. one is register.php and the other is index.php. When a user clicks a link and is brought to register.php, $_SERVER['HTTP_REFERER'] will record index.php,and assign "index.php" to $_SESSION['get']; So now I am sure that $_SESSION['get'] has "index.php". But when the use...

what's the difference betwwen using declaration and not using declaration?? i think both classes work the same. class property { public $var; function declaration(){ $this->$var='123'; } } class property { function declaration(){...

echo '<abcdefg>test</abcdefg>'; i typed this and it will printed out like below. test the tags disappeared. i want it to be printed out like this. <abcdefg>test</abcdefg> how to resolve this problem? any help would be great appricated.

i have some Variables like below and i want to get all of them and print them out on my screen. i can only obtain them by using $GLOBALS but there are too many unnecessary vabiables. is there any way to resolve this problem?? $a=1; $b=2; $c=3; ... .. .. .. $t=20; Karl did you try $globals; ??

can a hacker intercept from data?

how to record download times for a file by using php script? i want it to work accurately. for example, php knows that the process complete and file already exists in client's computer and then record the successful download into mysql database. any help would be great appreciated.

i know captcha is for human to input only, but how does it work in php code? my imagination is it works with an image and session.first a user input the letters and in another p page these letters will be checked with session which stores the correct letters. am i rigth in my imaginatoin or...