<?php
if ( class_exists( “class-name” ) ) {
echo “Exists”;
}
?>
Category Archives: PHP
Select MySQL database – PHP
<?php
mysql_select_db (DB-NAME)
?>
Create a Connection to a MySQL Database – PHP
mysql_connect(SERVER-NAME,USER-NAME,PASSWORD);
eg:
<?php
mysql_connect(“localhost”,”root”,”user1″);
?>
Multiple file upload – PHP
<script type=”text/javascript”>
function addfileImages() {
document.getElementById(“totalfileImages”).value = Number(document.getElementById(“totalfileImages”).value) + Number(1);
if(Number(document.getElementById(“totalfileImages”).value)>Number(10)){ document.getElementById(“addButton”).style.display=”none”; document.getElementById(“totalfileImages”).value=10; }
document.getElementById(“fileImages”+document.getElementById(“totalfileImages”).value).style.display=”block”;
}
function removefileImages() {
document.getElementById(“fileImages”+document.getElementById(“totalfileImages”).value).style.display=”none”; document.getElementById(“totalfileImages”).value = Number(document.getElementById(“totalfileImages”).value) – Number(1);
if(Number(document.getElementById(“totalfileImages”).value)<Number(10)) document.getElementById(“addButton”).style.display=”block”;
}
</script>
<?php
if(isset($_POST[‘upload’])) {
extract($_POST);
for($i=1;$i<=$totalfileImages;$i++) {
if($_FILES[‘file_image’.$i][‘name’]!=””){
$ext =array_pop(explode(“.”,$_FILES[‘file_image’.$i][‘name’]));
$card_image =”uploads/”.substr(md5(uniqid(rand(),1)),0,32).”.”.$ext;
move_uploaded_file($_FILES[‘file_image’.$i][‘tmp_name’],$card_image) or die(“Could not upload!! make sure that uploads/is writable”);
chmod($card_image,0777) or die(“Could not change permission”);
$success=5;
}else{
$errorList[0]=”Upload all the files “;
} } }?>
<form action=”#” method=”post” enctype=”multipart/form-data”>
<table>
<?php if(count($errorList)>0){ ?>
<tr> <td> </td> <td><div style=”margin:5px; color:#FF0000;”><?php foreach($errorList as $value) echo $value.” ,”; ?></div></td> </tr>
<?php } ?>
<?php if($success==5){ ?>
<tr> <td> </td> <td><div style=”margin:10px; color: #006633; width:90%; font-weight:bold”>File has been uploaded</div></td> </tr>
<?php } ?>
<tr> <td valign=”top”>Select file</td> <td> <?php $maxFiles=10; ?> <div style=”width:99%”> <input type=”file” name=”file_image1″ style=”width:258px;” /></div>
<?php for($i=2;$i<=$maxFiles;$i++) { ?>
<div style=”width:99%; display:none” id=”fileImages<?= $i ?>”> <input type=”file” name=”file_image<?= $i ?>” /><a href=”javascript:removefileImages();”>Delete</a> </div>
<?php } ?>
<div align=”right” id=”addButton”><a href=”javascript:addfileImages()” >Add more</a></div>
<input type=”hidden” id=”totalfileImages” name=”totalfileImages” value=”1″ /> </td>
</tr>
<tr> <td> </td> <td><input name=”upload” type=”submit” value=” Upload ” /> </td> </tr>
</table>
</form>
File upload – PHP
<?php
if(isset($_POST[‘upload’])) {
if($_FILES[‘uploadFile’][‘name’]!=””) {
$ext =array_pop(explode(“.”,$_FILES[‘uploadFile’][‘name’]));
$name_img = substr(md5(uniqid(rand(),1)),0,32);
$uploadFile =”uploads/”.$name_img.”.”.$ext;
move_uploaded_file($_FILES[‘uploadFile’][‘tmp_name’],$uploadFile) or die(“Could not upload!! make sure that ../uploads/’ is writable”) ;
chmod($uploadFile,0777) or die(“Could not change permission”);
$success=5;
}else{
$errorList[]=”Select the file.”;
}
}
?>
<form action=”#” method=”post” enctype=”multipart/form-data”>
<table>
<?php if(count($errorList)>0){ ?>
<tr> <td> </td> <td><div style=”margin:5px; color:#FF0000;”><?php foreach($errorList as $value) echo $value.” ,”; ?></div></td> </tr>
<?php } ?> <?php if($success==5){ ?>
<tr> <td> </td> <td><div style=”margin:10px; color: #006633; width:90%; font-weight:bold”>File has been uploaded</div></td> </tr>
<?php } ?>
<tr>
<td>Select file</td> <td><input name=”uploadFile” type=”file” /> 85×21</td> </tr> <tr> <td> </td> <td><input name=”upload” type=”submit” value=” Upload ” /> </td>
</tr>
</table>
</form>
Contact us form – PHP
<?php
//PHP Code to send mail using the data from contact form
extract($_POST);
if(isset($_POST[‘send’])){
//Validation contact form fields
if(preg_replace(“/^s*$/”,””,$firstname)==”” )
$errorList[]=”Select the department name is required.”;
if(preg_replace(“/^s*$/”,””,$email)==”” )
$errorList[]=”Email is required.”;
elseif(!eregi(“^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,3})$”, $email))
$errorList[] = “Email address is invalid.”;
if(preg_replace(“/^s*$/”,””,$message)==”” )
$errorList[]=”Message is required.”;
//If no error send mail
if(count($errorList)==0){
$toAddres = “mail@example.com”; //Give desired emaill address to whcih mail has to be sent
$subject = “Contact from – Your Site Name”;
$headers = “MIME-Version: 1.0n”;
$headers .= “Content-type: text/html; charset=iso-8859-1n”;
$headers .= “From: “.$email.”n”;
$headers .= “Return-Path: “.$toAddres.”n”;
$headers .= “Return-Receipt-To: “.$toAddres.”n”;
$mailMessage = ‘<table width=”687″ >
<tr><td width=”161″>Hi Admin</td><td width=”7″></td><td width=”561″></td></tr>
<tr><td width=”161″></td><td width=”7″></td><td width=”561″></td></tr>
<tr><td width=”161″>Name</td><td width=”7″></td><td width=”561″>’.$firstname.'</td></tr>
<tr><td width=”161″>Message</td><td width=”7″></td><td width=”561″>’.$message.'</td></tr>
<table>’;
@mail($toAddres,$subject, $mailMessage, $headers); $success=5; } }?>
// Contact form
<form action=”#” method=”post”>
<table>
<?php if(count($errorList)>0){ ?>
<tr>
<td> </td><td><div style=”margin:5px; color:#FF0000;”><?php foreach($errorList as $value) echo $value.” ,”; ?></div></td></tr>
<?php } ?>
<?php if($success==5){ ?>
<tr>
<td> </td> <td><div style=”margin:10px; color: #006633; width:90%; clear:none; float:left; font-weight:bold”>Your message has been sent to site admin .</div></td>
</tr>
<?php } ?>
<tr>
<td>Please enter your <strong>name</strong>:</td> <td><input name=”firstname” type=”text” value=”<?php echo $firstname ?>” /></td>
</tr>
<tr>
<td>Please enter your <strong>email address </strong>:</td> <td><input name=”email” type=”text” value=”<?php echo $email ?>” /></td>
</tr>
<tr>
<td>Please enter message:</td> <td><textarea name=”message” style=”height:50px;”><?php echo nl2br($message); ?></textarea></td>
</tr>
<tr>
<td> </td> <td><input type=”submit” name=”send” value=” Send “></td>
</tr>
</table>
Month name from month number – PHP
<?php
date(“M”, mktime(0, 0, 0,MONTH_NUMBER,DATE, YEAR));
eg: echo date(“M”, mktime(0, 0, 0,5,17, 1984)); // May
?>
Fetch an element from the array randomly – PHP
<?php
$testArray = array("value1", "value2", "value3", "value4");
$testRand = array_rand($testArray, 2);
echo $testArray[$testRand[0]];
?>
Sort the element of an array in reverse order – PHP
<?php
$testArray = array("p", "c", "z", "a");
rsort($testArray);
print_r($testArray);
//Array ( [0] => z [1] => p [2] => c [3] => a )
?>
Sort the element in an array – PHP
<?php
$testArray = array("p", "c", "z", "a");
sort($testArray);
print_r($testArray);
//Array ( [0] => a [1] => c [2] => p [3] => z )
?>