Set Time limit for a php script.
If you want to extend the execution time of the script you can use set_time_limit on the page.
The default time limit is 30 seconds
<?php
// script dies after 180 secs
set_time_limit(180);
?>
/**********************************************/
Get random values from database.
SELECT * FROM test_table ORDER BY RAND() limit 20;
This query will return values 20 rows randomly. To make more effecient the random values can be given in the server side scripting language.
/*********************************************************/
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