PHP Examples - Files
PHP Examples - Files
Program:
<html > <head> <title>PHP Example 12 : FILES</title> </head> <body> <?php echo "PHP Example 12"; echo"<br/>"; // line break echo"<h1>"; echo"FILES"; echo"</h1>"; echo"<br/>"; $filename="testfile.txt"; // Filename $f1=fopen("$filename","w"); // Opening file in write mode echo "<br/>testfile.txt created.<br/>"; fwrite($f1,"www.2k8618.blogspot.com"); // Writing data to file echo "<br/>Data written.<br/>"; fclose($f1); //File closed // echo "<br/>File closed.<br/>"; $f2=fopen("$filename","r"); // Opening file in read mode $dataop= fread($f2,25); // Data read from file echo "<br/>Data read.<br/>"; echo $dataop; fclose($f2); // unlink($filename); // to delete file echo"<br/>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Output:
PHP Examples - Session - Pageviews
PHP Examples - Session - Number of Pageviews
Program:
<?php session_start(); // Starting PHP Session if(isset($_SESSION['pageviews'])) // Checking Session variable is set or not $_SESSION['pageviews']+=1; else $_SESSION['pageviews']=1; // Setting Session variable //echo $_SESSION['pageviews']; ?> <html > <head> <title>PHP EXAMPLE 11 : SESSION </title> </head> <body> <?php echo "<br/>PHP Example 11"; echo"<br/>"; // line break echo"<h1>"; echo"SESSION : Number of Pageviews"; echo"</h1>"; echo"<br/><br/>"; echo "<b><h2> Number of Page Views: ".$_SESSION['pageviews']."</h2></b>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Output:
PHP Examples - Student Details - Delete Data From Database - Form
PHP Examples - Student Details
Delete Data From Database - Form
Program:
// php10.php
<html > <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>PHP EXAMPLE 9 : Database with Form - Deletion </title> </head> <body> <?php echo "<br/>PHP Example 9"; echo"<br/>"; // line break echo"<h1>"; echo"Delete Data From DATABASE"; echo"</h1>"; echo"<br/>"; // echo"<br>CONNECTING..."; $con = mysql_connect("localhost","root",""); // Connecting to the database if(!$con) die('Connection Failed'.mysql_error()); echo"<br>CONNECTED..."; if(!mysql_select_db("DB1",$con)) { if(mysql_query("CREATE DATABASE DB1",$con)) // Creating database echo"<br><br>DB1 Created..."; else echo 'Error Occured...'.mysql_error(); mysql_select_db("DB1",$con); // Creating tables mysql_query(" CREATE TABLE Students( Rollnum int NOT NULL, Name varchar(20), Mark int, PRIMARY KEY(Rollnum) )",$con); } $data= mysql_query(" SELECT Rollnum FROM Students ",$con); // Retreiving data echo"<center> <h2><b><u> STUDENT DETAILS </u></b></h2> <form method=\"post\" action=\"deletedata.php\"><br/><br/><br/> Select Roll Number: <select name=\"selection\">"; while($rec=mysql_fetch_array($data)) { echo "<option>".$rec['Rollnum']."</option>"; } echo "</select> <input type=\"submit\" value=\"Delete\" /> </form> </center>"; mysql_close($con); // Closing connection ?> </body> </html>
// deletedata.php
<html > <head> <title>PHP EXAMPLE 9 : Database with Form - Deletion</title> </head> <body> <?php echo "<br/>PHP Example 9"; echo"<br/>"; // line break echo"<h1>"; echo"Delete Data From DATABASE"; echo"</h1>"; echo"<br/>"; //echo $_POST['selection']; echo"<br>CONNECTING..."; $con = mysql_connect("localhost","root",""); // Connecting to the database if(!$con) die('Connection Failed'.mysql_error()); echo"<br>CONNECTED..."; if(!mysql_select_db("DB1",$con)) { if(mysql_query("CREATE DATABASE DB1",$con)) // Creating database echo"<br><br>DB1 Created..."; else echo 'Error Occured...'.mysql_error(); mysql_select_db("DB1",$con); // Creating tables mysql_query(" CREATE TABLE Students( Rollnum int NOT NULL, Name varchar(20), Mark int, PRIMARY KEY(Rollnum) )",$con); } $deleteqry="SELECT * FROM Students where Rollnum =". $_POST['selection']; $data1= mysql_query($deleteqry,$con); // Retreiving data //echo $data1; if($rec=mysql_fetch_array($data1)) echo "<br/>Deleting...<br/>".$rec['Rollnum']." ".$rec['Name']." ".$rec['Mark']."<br/>"; else die( "<br/> Error in database access...".mysql_errno()); $deleterec = "DELETE FROM Students WHERE Rollnum=".$_POST['selection']; if(!mysql_query($deleterec,$con)) die( "<br/> Error in deletion...".mysql_errno()); echo"<br><br>Record Deleted...<br/> Updated Table..."; $data= mysql_query(" SELECT * FROM Students ",$con); // Retreiving data echo "<table border='2'> <tr> <th> Roll No</th> <th> Name</th> <th> Mark </th> </tr>"; while($rec=mysql_fetch_array($data)) { echo "<tr><td>".$rec['Rollnum']."</td><td>".$rec['Name']."</td><td>".$rec['Mark']."</td></tr>"; } echo"</table>"; // mysql_query(" DROP DB1 ",$con); mysql_close($con); // Closing connection echo "<br/><br/><br/><br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Output:
PHP Examples - Form - Insert Data To Database
PHP Examples - Form
Insert Data To Database
Program:
// php9.php
<html > <head> <title>PHP EXAMPLE 9 : Database with Form - Insertion </title> </head> <body> <?php echo "<br/>PHP Example 9"; echo"<br/>"; // line break echo"<h1>"; echo"Insert Form Data To DATABASE"; echo"</h1>"; echo"<br/>"; ?> <center> <h2><b><u> STUDENT DETAILS </u></b></h2> <form method="post" action="insertdata.php"><br/><br/><br/> Roll No: <input type="text" value="" name="rollno"/><br/><br/><br/> Name: <input type="text" value="" name="name1"/><br/><br/><br/> Mark: <input type="text" value="" name="mark"/><br/><br/><br/> <input type="submit" value="Submit" /> </form> </center> </body> </html>
// insertdata.php
<html > <head> <title>PHP EXAMPLE 9 : Database with Form - Insertion</title> </head> <body> <?php echo "<br/>PHP Example 9"; echo"<br/>"; // line break echo"<h1>"; echo"Insert Form Data To DATABASE"; echo"</h1>"; echo"<br/>"; echo"<br>CONNECTING..."; $con = mysql_connect("localhost","root",""); // Connecting to the database if(!$con) die('Connection Failed...'.mysql_error()); echo"<br>CONNECTED..."; if(!mysql_select_db("DB1",$con)) { if(mysql_query("CREATE DATABASE DB1",$con)) // Creating database echo"<br><br>DB1 Created..."; else echo 'Error Occured...'.mysql_error(); mysql_select_db("DB1",$con); // Creating tables mysql_query(" CREATE TABLE Students( Rollnum int NOT NULL, Name varchar(20), Mark int, PRIMARY KEY(Rollnum) )",$con); echo"<br><br>Table Students Created..."; } echo"<br><br>Table Students Created..."; // Inserting data $insertst = "INSERT INTO Students VALUES ('$_POST[rollno]','$_POST[name1]','$_POST[mark]')"; if(!mysql_query($insertst,$con)) die( "<br/> Error...".mysql_errno()); echo"<br><br>Records added...<br/> Updated Table..."; $data= mysql_query(" SELECT * FROM Students ",$con); // Retreiving data echo "<table border='2'> <tr> <th> Roll No</th> <th> Name</th> <th> Mark </th> </tr>"; while($rec=mysql_fetch_array($data)) { echo "<tr><td>".$rec['Rollnum']."</td><td>".$rec['Name']."</td><td>".$rec['Mark']."</td></tr>"; } echo"</table>"; // mysql_query(" DROP DB1 ",$con); mysql_close($con); // Closing connection echo "<br/><br/><br/><br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
PHP Examples - Cookie - Time of Last Visit
PHP Examples - Cookie - Time of Last Visit
Program:
<html > <head> <title>PHP Example 8 : COOKIE</title> </head> <body> <?php echo "<br/>PHP Example 8"; echo"<br/>"; // line break echo"<h1>"; echo"COOKIE"; echo"</h1>"; echo"<br/>"; echo "Server Time:\t".date("D,d M Y , g:i:s A")."<br/>"; // echo "Cookie created..."; if(isset($_COOKIE['time_of_visit'])) { $y=$_COOKIE['time_of_visit']; echo "<br/>You visited here : $y"; } $x=60*60*24*60+time(); setcookie('time_of_visit',date("D,d M Y , g:i:s A"), $x); echo "<br/><br/><br/><br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Output:
PHP Examples - Function
PHP Example - Function
Program:
<html > <head> <title>PHP Example 6 : FUNCTIONS</title> </head> <body> <?php echo "<br/>PHP Example 6"; echo"<br/>"; // line break echo"<h1>"; echo"FUNCTIONS"; echo"</h1>"; echo"<br/>"; function add($a,$b) //function for the addition { return $a+$b; } $x=20; $y=30; $z=add($x,$y); echo "<br/>Adding $x & $y $z"; echo "<br>Adding 10 & 20 ".add(10,20); echo "<br/><br/><br/><br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Kannur University Exam Results - BTech 2012 - Semester 8
Kannur University Examination Results - Btech -2012
Semester 8 - Regular/Supplimentary/Improvement
Kannur university has announced the 8th semester btech results on 10th july 2012. The students can obtain their results from the website of kannur university.
PHP Examples - Databases - Mysql
PHP Examples
Databases - MySQL
- Connect to database
- Create database
- Create table
...
Program:
<html > <head> <title>PHP Example 7 : DATABASES (MySQL)</title> </head> <body> <?php echo "PHP Example 7"; echo"<br/>"; // line break echo"<h1>"; echo"DATABASES: ( MySQL )"; echo"</h1>"; echo"<br/>"; echo"<br>CONNECTING..."; $con = mysql_connect("localhost","root",""); // Connecting to the database if(!$con) die('Connection Failed'.mysql_error()); echo"<br>CONNECTED..."; if(!mysql_select_db("DB1",$con)) { if(mysql_query("CREATE DATABASE DB1",$con)) // Creating database echo"<br><br>DB1 Created..."; else echo 'Error Occured...'.mysql_error(); mysql_select_db("DB1",$con); // Creating tables } mysql_query(" CREATE TABLE Students( Rollnum int NOT NULL, Name varchar(20), Mark int, PRIMARY KEY(Rollnum) )",$con); echo"<br><br>Table Students Created..."; // Inserting data mysql_query(" INSERT INTO Students VALUES ('1','NIDHEESH','91')",$con); mysql_query(" INSERT INTO Students VALUES ('2','SAJITH','96')",$con); mysql_query(" INSERT INTO Students VALUES ('3','IRSHAD','88')",$con); mysql_query(" INSERT INTO Students VALUES ('4','AJISH','90')",$con); mysql_query(" INSERT INTO Students VALUES ('5','BINDU','90')",$con); mysql_query(" INSERT INTO Students VALUES ('6','RAFEEQ','95')",$con); echo"<br><br>Records added..."; $data= mysql_query(" SELECT * FROM Students ",$con); // Retreiving data echo "<table border='2'> <tr> <th> Roll No</th> <th> Name</th> <th> Mark </th> </tr>"; while($rec=mysql_fetch_array($data)) { echo "<tr><td>".$rec['Rollnum']."</td><td>".$rec['Name']."</td><td>".$rec['Mark']."</td></tr>"; } echo"</table>"; // mysql_query(" DROP DB1 ",$con); mysql_close($con); // Closing connection echo "<br/><br/><br/><br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
PHP Examples - Arrays
PHP Examples
Arrays
Program:
<html > <head> <title>PHP Example 5 : ARRAYS</title> </head> <body> <?php echo "PHP Example 5"; echo"<br/>"; // line break echo"<h1>"; echo"ARRAYS"; echo"</h1>"; echo"<br/>"; $array1 = array(5,3,7,6,1,2,9); //Creating array $array1[] = 8; $array1[] = 4; $n=count($array1); // Counting no of elements echo"<br/><b> Before sorting: </b> "; for($i=0;$i<$n;$i++) //Printing array elements echo $array1[$i]." "; for($i=0;$i<$n;$i++) //Sorting for($j=$i+1;$j<$n;$j++) { if($array1[$i]>$array1[$j]) { $temp=$array1[$i]; $array1[$i]=$array1[$j]; $array1[$j]=$temp; } } echo"<br/> <b>After sorting: </b>"; for($i=0;$i<$n;$i++) echo $array1[$i]." "; echo"<br/>"; $arraysum = array_sum($array1); // Calculating sum of the elements in the array echo"<br/><b> Sum of the elements : </b>$arraysum"; echo"<br/>"; echo "<br/><b>Checking whether element is present in the array or not...</b>"; if(in_array(5,$array1)) // Checking whether element is present in the array or not echo "<br/>5 is present in the array... "; else echo "<br/>5 is not present in the array... "; echo"<br/>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
Output:
PHP Examples - Strings - Substring - String Replacement - Reversal - Trim
PHP Examples - Strings
Substring - String Replacement - Reversal - Trim
Important Functions
1. Stringlength - strlen(string)
2. Stringreversal - strrev(string)
3. Substring - substr(string, starting position, length)
4. Replace Substring - str_replace(new_substring, old_substring, string)
5. Trim (Removing Blank Spaces) - rtrim(string) [ Remove blank space from right]
- ltrim(string) [ Remove blank space from left]
Program:
<html > <head> <title>PHP Example 4 : STRING</title> </head> <body> <?php echo "PHP Example 4"; echo"<br/>"; // line break echo"<h1>"; echo"STRINGS"; echo"</h1>"; echo"<br/><li>"; $string1 = "I LOVE 2K8CSE"; echo"String: $string1"; echo"<br/></li>"; echo"<br/><li>"; $stringlength= strlen($string1); //Stringlength echo"length: $stringlength"; echo"<br/></li>"; echo"<br/><li>"; $string2 = substr($string1,2,4); //Substring echo" Substring (2,4): $string2"; echo"<br/></li>"; echo"<br/><li>"; $string3= str_replace("I","WE",$string1); //Substring replacement echo"String after replacement (I by WE): $string3"; echo"<br/></li>"; echo"<br/><li>"; $string4=strrev($string1); //String reversal echo"String Reversal: $string4"; echo"<br/></li>"; echo"<br/><li>"; $string5 =rtrim("I LOVE "); //Removing blank spaces from right of the string $string6=ltrim(" 2K8CSE."); echo $string5.$string6."(removing blank spaces)"; echo"<br/></li>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>Output:
PHP Examples - Loops - While, Do While, For, Foreach
PHP Examples - Loops
While, Do While, For, Foreach
Program:
<html > <head> <title>PHP Example 3 : Loops</title> </head> <body> <?php echo "PHP Example 3"; echo"<br/>"; // line break echo"<h1>"; echo"LOOPS"; echo"</h1>"; echo"<br/><li>"; echo"WHILE LOOP: PRIME NUMBERS: "; echo"<br/>"; $i=2; while($i<50) { $flag=true; $j=2; while($j<($i/2)) if($i%$j==0) { $flag=false; break; } else $j++; if($flag) echo $i.' '; $i++; } echo"<br/></li>"; echo"<br/><li>"; echo"FOR LOOP: FIBONACCI NUMBERS"; echo"<br/>"; $t1=1; $t2=1; echo $t1.' '.$t2; for($i=1;$i<10;$i++) { $t3=$t1+$t2; $t1=$t2; $t2=$t3; echo ' '.$t3; } echo"<br/></li>"; echo"<br/><li>"; echo"DO WHILE LOOP: NATURAL NUMBERS "; echo"<br/>"; $i=1; do{ echo " $i"; $i++; }while($i<=10); echo"<br/></li>"; echo"<br/><li>"; echo"FOR EACH LOOP: STUDENTS & MARKS "; echo"<br/>"; $mark["Mithun"]= "40"; $mark["Shibin"]= "38"; $mark["Manzoor"]= "35"; $mark["Suhail"]= "45"; $mark["Jishnu"]="36"; foreach( $mark as $key => $value) { echo "Name: $key, Marks: $value <br/>"; } echo"<br/></li>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>
PHP Examples - Echo - PHP Program
Program:
<html > <head> <title>PHP Example 2</title> </head> <body> <?php echo "PHP Example 2"; echo"<br/>"; // line break echo"<h1>"; echo"ECHO"; echo"</h1>"; echo"<br/><li>"; echo"Displays the text or values of a variables."; echo"</li><br/><li>"; // line break & list item $x="HELLO PHP..."; //Variable x echo $x; echo"</li><br/><li>"; $y= 2; echo 'PHP Example:'.$y; echo"</li><br/><li>"; echo'PHP'; //single quotes echo"</li><br/><li>"; echo"'PHP'"; //to display string in single quotes echo"</li><br/><li>"; echo"\"PHP\""; //to display string in double quotes echo"</li>"; echo "<br/><b>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</b>"; ?> </body> </html>Output:
A Simple PHP Program - PHP Examples
Program:
Output:
<html > <head> <title>PHP Example 1</title> </head> <body> <?php // comments /* multiline comments examples */ echo "PHP Example 1"; echo"<br/>"; echo"<h1>"; echo"WWW.2K8618.BLOGSPOT.COM"; echo"</h1>"; echo"<br/>"; // Making text bold echo "<b>"; echo "www.2k8cse.tk"; echo"</b>"; ?> </body> </html>
Output:
Kannur University Exam Results - Semester 7 - BTech
Kannur University Examination Results - Btech -2012
Semester 7 - Regular/Supplimentary/Improvement
Kannur university has announced the seventh semester btech results on 12th may 2012. The students can obtain their results from the website of kannur university.
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