PHP Code

Use the SUBSTR command: $strWithoutLastChar = substr(“abcdef”, 0, -1); This will return “abcde”

Use preg_replace and regular expressions. The examples below remove everything in a string that is within curly braces or square brackets. echo preg_replace(” (\[.*?\])”,”,”King Kong [2005]”); echo preg_replace(” (\(.*?\))”,”,”King Kong (Amazing Box Set)”);

Use strrpos – same as strpos but in reverse. Find the last occurence of ‘/’ then move forward one position and then substr from that position onwards to the end of the string. <?php echo substr($url,strrpos($url,’/’)+1); ?>

If your script is too complex to finish within the standard 30 seconds you can set a new value with the function: set_time_limit(900); this sets the timeout too 900 seconds / 15 minutes.

$i = 10; if ( $i&1 ) { echo “$i is odd”; } else { echo “$i is even”; }

There are two ways you can do it, one is using a regular expression the other is comparing strings. First the regular expression approach: if (preg_match(“/([\<])([^\>]{1,})*([\>])/i”, $string)) { echo “string contains html”; } And here is the other approach: if(strlen($string)

To generate a random number between 0 and 100 do this: srand((double)microtime()*1000000); echo rand(0,100);

Just use PHP echo commands. <? echo “<script language=\”JavaScript\”>\n” ; echo “alert(” javascript from php “);\n” ; echo “</script>” ; ?>

<? $domain = GetHostByName ( $REMOTE_ADDR ); ?>