PHP - Mencari URL PATH

<?php
echo "http://" . $_SERVER['HTTP_HOST'] . preg_replace("/\/\w+\.php.*$/", "/", $_SERVER["PHP_SELF"]);
?>

BASH Shell - untuk mencari tanggal kemarin

isguo@localhost $ date +%Y-%m-%d -d "1 day ago"
2011-12-20
:~
isguo@localhost $ date +%Y-%m-%d -d "1 day ago"
2011-12-20
:~
isguo@localhost $ date +%Y-%m-%d -d "1 week ago"
2011-12-14
:~
isguo@localhost $ date +%Y-%m-%d -d "1 month ago"
2011-11-21

MYSQL - Cara cepat dump sql structure table

SHOW CREATE TABLE <table_name>;

PHP - Operasi Tanggal

<?php
$dt1 = 1;
$dt2 = date('d',strtotime('2011-12-16'));
echo "dt1 = $dt1 \n";
echo "dt2 = $dt2 \n";
echo "dt2 - dt1 = ".($dt2-$dt1)." \n";
for($dt1;$dt1<=$dt2;$dt1++){
        echo "$dt1 <= $dt2 \n";
}
?>

PHP - Cara lain echo

<?php
echo <<<THIS
Jimmy eat the world
THIS;
?>

PHP - Mencari tanggal kemarin

tinggal tambah kali dibelakang untuk berapa hari ((60*60*24)*n)

<?php
echo date("Y-m-d", time() - ((60*60*24)*n) );
?>