Example : If you want to find “mysql” in an array you may use the function “in_array” below.

<?
$xyiry = array(“mysql”, “oracle”, “informix”, “db2″);
if (in_array(“mysql”, $xyiry)) {
echo “This Database Is Using mySQL”;
}
?>

Hi Guys, this is php upload script function.

<?php

$MAX_SIZE = 2000000;
$FILE_EXTS = array(‘.doc’);
$DELETABLE = true;
$site_name = $_SERVER['HTTP_HOST'];
$url_dir = “http://”.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
$url_this = “http://”.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];

$upload_dir = “upload_folder/”;
$upload_url = $url_dir.”/upload_folder/”;
$message =”";

if (!is_dir(“upload_folder”)) {
if (!mkdir($upload_dir))
die (“upload_files directory doesn’t exist and creation failed”);
if (!chmod($upload_dir,0755))
die (“change permission to 755 failed.”);
}

if (isset($_REQUEST['del']))
$pos = strpos( $_REQUEST['del'],”/”);
//echo “pos = $pos<hr>”;
//echo “del = “.$_REQUEST[del];

//echo substr($_REQUEST['del'],0,$pos).”=”.$upload_dir;

if ($_REQUEST['del'] && $DELETABLE) {

$resource = fopen(“log.txt”,”a”);
fwrite($resource,date(“Ymd h:i:s”).”DELETE – $_SERVER[REMOTE_ADDR]“.”$_REQUEST[del]\n”);
fclose($resource);

if (strpos($_REQUEST['del'],”/.”)>0); //possible hacking
else if (strpos($_REQUEST['del'],$upload_dir) === false); //possible hacking
//else if (substr($_REQUEST['del'],0,6)==$upload_dir) {
else if (substr($_REQUEST['del'],0,$pos+1)==$upload_dir) { // compare the upload folder name (‘upload_faststart/’)
echo “del = “.$_REQUEST[del];
unlink($_REQUEST[del]);
print “<script>window.location.href=’$url_this?message=deleted successfully’</script>”;
}
}
else if ($_FILES['userfile']) {
$resource = fopen(“log.txt”,”a”);
fwrite($resource,date(“Ymd h:i:s”).”UPLOAD – $_SERVER[REMOTE_ADDR]”
.$_FILES['userfile']['name'].” ”
.$_FILES['userfile']['type'].”\n”);
fclose($resource);

$file_type = $_FILES['userfile']['type'];
$file_name = $_FILES['userfile']['name'];
$file_ext = strtolower(substr($file_name,strrpos($file_name,”.”)));

//File Size Check
if ( $_FILES['userfile']['size'] > $MAX_SIZE)
$message = “The file size is over 2MB.”;
//File Extension Check
else if (!in_array($file_ext, $FILE_EXTS))
$message = “Sorry, $file_name($file_type) is not allowed to be uploaded.”;
else
$message = do_upload($upload_dir, $upload_url);

print “<script>window.location.href=’$url_this?message=$message’</script>”;
}
else if (!$_FILES['userfile']);
else
$message = “Invalid File Specified.”;
$handle=opendir($upload_dir);
$filelist = “”;
while ($file = readdir($handle)) {
if(!is_dir($file) && !is_link($file)) {
$filelist .= “<a href=’$upload_dir$file’>”.$file.”</a>”;
$name=”Update”;
if ($DELETABLE)
$filelist .= “<TD colspan=’2′ align=’left’ class=’content1′>”;
$filelist .= ” “;
$filelist .= “<img src=’images/actions_track.gif’ width=’32′ height=’32′>”;
$filelist .= ” <a href=’converter_cpd.php?filename=”.urlencode($file).”&date=”.date(“d-M-y”, filemtime($upload_dir.$file)).”&iyear=”.$iyear.”‘>[ $name ]</a> “;
$filelist .= ” <a href=’?del=$upload_dir”.urlencode($file).”‘ title=’delete’>Delete</a> “;

$filelist .= “<font color=#000099 size=2> “.date(“d-m-Y”, filemtime($upload_dir.$file))
.”</font>”;
$filelist .=”</td>”;
$filelist .=”<br>”;
}
}

function do_upload($upload_dir, $upload_url) {

$temp_name = $_FILES['userfile']['tmp_name'];
$file_name = $_FILES['userfile']['name'];
$file_name = str_replace(“\\”,”",$file_name);
$file_name = str_replace(“‘”,”",$file_name);
$file_path = $upload_dir.$file_name;

if ( $file_name ==”") {
$message = “Invalid File Name Specified”;
return $message;
}

$result = move_uploaded_file($temp_name, $file_path);
if (!chmod($file_path,0777))
$message = “change permission to 777 failed.”;
else
$message = ($result)?”$file_name uploaded successfully.” :
“Somthing is wrong with uploading a file.”;
return $message;
}

?>

<center>
<p></p> <p>

</font></p>
<p><br>Xyiry Upload Function</p>

</p><font type=”verdana” color=Blue size=”3″>

<?=$_REQUEST['message']?></font>

<form name=”upload” id=”upload” enctype=”multipart/form-data” method=”post”>
<strong>Upload File</strong>
<input type=”file” id=”userfile” name=”userfile”>
<input type=”submit” name=”upload” value=”Upload”>
</font>
</form>
<br>
xyiry Files
<hr width=70% noshade>
<? echo $filelist?>
<? echo $file_name ?>

****************************************************************
Title : Break into new lines
Purpose : To break each record queried into new lines
Programmer : Mohd Izzairi Yamin
******************************************************************

<?

while ($results = mysql_fetch_array($answers)) {
// this sticks the results row by row into an array called $row.
// rows are called as $array_name["COLUMN_NAME"]
//$out =
$out .= $results["ID"].’,';
$out .= $results["IC_NUMBER"].’,';
$out .= $results["-"].’,';
$out .= $results["POSITION"].’\n’;
$out .= $results["EDUCATION_LEVEL"].’\n’;

*****************************************************************
Title : Writing PHP functions
Usage : to use only one type of sql_query with different databases
Purpose : mini database abstraction eg: sqlite and mysql
Programmer : Mohd Izzairi Yamin
Filename : library.php
******************************************************************

<?php

$database=”mysql”; // determine the database you want to use eg: mysql, sqlite

if ($database==”mysql”){
$db = mysql_pconnect(“localhost”,”root”,”root”);
mysql_select_db(“mobile”);
}
if ($database==”sqlite”){
$db = sqlite_open(‘authentication.db’);
}

if ($database==”mysql”){
function db_query($sql){ // to remember the variable positioning
$res = mysql_query($sql);
return $res;
}
function db_fetch_array($res) {
$arr = mysql_fetch_assoc($res);
return $arr;
}
}

if ($database==”sqlite”){
global $db; // to get the value from outside the function
function db_query($sql) { // to remember the variable positioning
$res = sqlite_query($db,$sql);
return $res;
}

function db_fetch_array($res) {
$arr = sqlite_fetch_array($res);
return $arr;
}
}

//example of your SQL that you will be using in your codes are:

$res=db_query(“select * from table where field=’001′”);
$arr=db_fetch_array($res);

?>

****************************************************************
Title : Md5 password
Usage : to use a one way encryption after login and saves into database
Programmer : Mohd Izzairi Yamin
*****************************************************************

<?

include_once”connections.php”;

$username=$_REQUEST['username'];
$password=$_REQUEST['password'];

$encrpt_pwd=md5($password);
// eg: 63a9f0ea7bb98050796b649e85481845 it will save in this encrypted format.

//eg: posting to an oracle Database. Its up to you what DB you are using.
$sql=”INSERT INTO AUTHENTICATION (USERNAME,PASSWORD)VALUES (‘$USERNAME’,'$PASSWORD’)”;
$sql_rs=oraquery($sql);

//Note: If you want to do a password checking after login, you just need to reverse this process
//Note: Do a SQL select statement from the database and get the result and just match the result with the
// passed parameters that has been converted into md5, that will do the matching authentication.

?>

****************************************************************
Title : Drop Down Menu With Redirect
Purpose : To post to result page automatically without submit
Programmer : Mohd Izzairi Yamin
******************************************************************

<form name=”mtnCourseAdd.php” method=”post” action=”agent_results.php”>

<select name=”AGENT” onChange=form.submit()>
<option value=”">- All Courses -</option>
<? $sql2 = “SELECT * FROM USERID order by SCOURSENAME”;
$rs2 = oraquery($sql2);?>
<?
for($r=0; $r<count($rs2); $r++) {
$code = $rs2[$r][3];
$name=$rs2[$r][2];

$selectedindex=$_REQUEST['FCPDHOURS'];
$selectedOrNot = (($name==$selectedindex)?” selected”:”");
echo “<option value=’$name’ $selectedOrNot >$name</option>\n”;
}
?>
</select>

This sample file will read from a CSV file and create an SQL insert string to insert to a fictional database (no actual SQL INSERT is performed here – just an example of concept)

<?php
$row = 1;
$handle = fopen(“samplecsv.csv”, “r”);
while (($data = fgetcsv($handle, 1000, “|”)) !== FALSE) { // 2000x
$num = count($data);
echo “<p> $num fields in line $row: <br /></p>\n”;
$row++;
for ($c=0; $c < $num; $c++) { // 4x
echo $data[$c] . “<br />\n”;

}

$data[0] = $data[0] * .75;
$sql = “INSERT INTO DB
(col1,col2,col3,col4)
values
(‘”.$data[0].”‘,’”.$data[1].”‘,’”.$data[2].”‘,’”.$data[3].”‘)”;
echo “<li>”.$sql;
}
fclose($handle);
?>

Sample CSV DATA
—————
“5″|”ALERT”|”0121111111″|”Hello”|
“5″|”ALERT”|”0121111111″|”Are”|
“5″|”ALERT”|”0121111111″|”You”|
“5″|”ALERT”|”0121111111″|”There”|
“5″|”ALERT”|”0121111111″|”Doing”|

<?
//Purpose : Php function to find differences between two dates
//Programmer : Mohd Izzairi Yamin

function datedifferences($dformat, $endDate, $startDate)
{
$date_parts1=explode($dformat, $startDate);
$date_parts2=explode($dformat, $endDate);
$start_date=gregoriantojd($date_parts1[0], $date_parts1[1], $date_parts1[2]);
$end_date=gregoriantojd($date_parts2[0], $date_parts2[1], $date_parts2[2]);
return $end_date – $start_date;
}
$dob=”05/15/1980″;

echo “Izzairi’s Birthday is ” . $dob . “, then today your age is approximately ” . round(datedifferences(“/”, date(“m/d/Y”, time()), $dob)/365, 0) . ” years.”;
?>

Click Here To Download

<?

/*==============================
# Module : PHP database class
# Programmer : Mohd Izzairi Yamin
# Date : 07/06/2007 10:00
# Modified : 07/06/2007 11:15
================================*/
class connection{

function db_conn(){

$db = mysql_connect(“localhost”,”root”,”root”);
mysql_select_db(“testdb”);
}

function db_query($sql) {
global $res_rs,$res;

$res = “$sql”;
$res_rs=mysql_query($res);

return $res_rs;

}

function show_sql(){
global $res;

print $res;

}

function db_fetch_array($res_rs) {
global $res_rs,$arr;

$arr = mysql_fetch_array($res_rs);

return $arr;

}

function show_arr(){
global $arr;

echo “<pre>”;
print_r($arr);

}

}
?>