Php Programming Examples

Execute PHP Online

php

<html>
<head>
<title>Online PHP Script Execution</title>
</head>
<body>
<?php
   $f=fopen("webdictionary.txt","r+");
?>
</body>
</html>

dfss

php

<?php
   $val = 299;
   $txt = sprintf("%F",$val,2);
   
   echo $txt;
?>

count

php

<?

foreach ($userIdsChunks as $key => $userIdsChunk) {
    $userTotals = array_merge(
        $userTotals,
        $ctrl->READ
            ->from('records')
            ->where_in('userid', $userIdsChunk)
            ->where_in('video_id', $videoIds)
            ->group_by('userid')
            ->select('userid, count(*) as total')
            ->get()
            ->result_array()
    );
}

Execute PHP Online

php

      <?php
         // define variables and set to empty values
         $nameErr = $emailErr = $genderErr = $websiteErr = "";
         $name = $email = $gender = $comment = $website = "";
         
         if ($_SERVER["REQUEST_METHOD"] == "POST") {
            if (empty($_POST["name"])) {
               $nameErr = "Name is required";
            }else {
               $name = test_input($_POST["name"]);
            }
            
            if (empty($_POST["email"])) {
               $emailErr = "Email is required";
            }else {
               $email = test_input($_POST["email"]);
               
               // check if e-mail address is well-formed
               if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                  $emailErr = "Invalid email format"; 
               }
            }
            
            if (empty($_POST["website"])) {
               $website = "";
            }else {
               $website = test_input($_POST["website"]);
            }
            
            if (empty($_POST["comment"])) {
               $comment = "";
            }else {
               $comment = test_input($_POST["comment"]);
            }
            
            if (empty($_POST["gender"])) {
               $genderErr = "Gender is required";
            }else {
               $gender = test_input($_POST["gender"]);
            }
         }
         
         function test_input($data) {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
         }
      ?>
     
      <h2>Absolute classes registration</h2>
     
      <p><span class = "error">* required field.</span></p>
     
      <form method = "post" action = "<?php 
         echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
         <table>
            <tr>
               <td>Name:</td>
               <td><input type = "text" name = "name">
                  <span class = "error">* <?php echo $nameErr;?></span>
               </td>
            </tr>
           
            <tr>
               <td>E-mail: </td>
               <td><input type = "text" name = "email">
                  <span class = "error">* <?php echo $emailErr;?></span>
               </td>
            </tr>
           
            <tr>
               <td>Time:</td>
               <td> <input type = "text" name = "website">
                  <span class = "error"><?php echo $websiteErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Classes:</td>
               <td> <textarea name = "comment" rows = "5" cols = "40"></textarea></td>
            </tr>
            
            <tr>
               <td>Gender:</td>
               <td>
                  <input type = "radio" name = "gender" value = "female">Female
                  <input type = "radio" name = "gender" value = "male">Male
                  <span class = "error">* <?php echo $genderErr;?></span>
               </td>
            </tr>
				
            <td>
               <input type = "submit" name = "submit" value = "Submit"> 
            </td>
				
         </table>
      <?php
         echo "<h2>Your given values are as:</h2>";
         echo $name;
         echo "<br>";
         
         echo $email;
         echo "<br>";
         
         echo $website;
         echo "<br>";
         
         echo $comment;
         echo "<br>";
         
         echo $gender;
         ?>
      ?>
   
   </body>
</html>

Sum and Product Number Finder

php

<?php

finder(16, 64);

function finder($add,$product)
{

 $inside_root = $add*$add - 4*$product;
 echo("Root = $inside_root\n");

 if($inside_root >=0)
 {

     $b = ($add + sqrt($inside_root))/2;
     $a = $add - $b;

     echo "$a+$b = $add and $a*$b=$product\n";

 }else
 {
   echo "No real solution\n";
 }
}

?>

Apollo_aes_php

php

<?php
function HexStringToByte($hexString)
{
	$string = hex2bin($hexString);
	return $string;
}
function encrypt_string($string='', $key=''){
	$iv_size = 16;
	$iv = "1212121212121212";
    $blocksize = 16;
    $pad = $blocksize - (strlen($string) % $blocksize);
    $string = $string . str_repeat(chr($pad), $pad);
    return base64_encode($iv.openssl_encrypt($string, 'aes-128-cbc', $key, OPENSSL_RAW_DATA, $iv));
}
function decrypt_string($data, $key) {
    $ciphertext_dec = base64_decode($data) ; 
	$iv_size = 16;
    $iv_dec = substr($ciphertext_dec, 0, $iv_size);
    $ciphertext_dec = substr($ciphertext_dec, $iv_size);
    return openssl_decrypt($ciphertext_dec, 'aes-128-cbc', $key, OPENSSL_RAW_DATA, $iv_dec);
}

//$ciphertext = encrypt_string('Neeraj',HexStringToByte('0A6D4D8794371FC45B1E85368E38BE75'));
//print_r($ciphertext);
$ds = decrypt_string("jhI5nAdyb1qOEjmcB3JvWkrXzfs0jaJJIVMgqaElpdQ=",HexStringToByte('0A6D4D8794371FC45B1E85368E38BE75'));
print_r($ds);
exit;

Diamond_PHP

php

<html>
<head>
<title>Online PHP Script Execution</title>
</head>
<body>
<?php
   echo "<h1>Hello, PHP!</h1>\n";
   
   $n=10;
   for ($i=1;$i<=$n;$i++)
   
   {
       
     
     for ($j=$n-$i;$j>0;$j--)
     
     {
         
         echo " ";
         
     }
     
     for ($j=1;$j<=(2*$i-1);$j++)
     {
         
         echo "*";
         
     }
     
     echo "\n";
       
       
   }
   
   $h=1;
   
   for ($i=1;$i<$n;$i++)
   {
       
       for ($k=1;$k<=$h;$k++)
       
       {
           echo " ";
           
         
       }
       
       $h++;
       
       for ($j=1;$j<(2*($n-$i));$j++)
       
       {
           
           echo "*";
       }
       
       echo "\n";
   }
   
   
   
   
   
?>
</body>
</html>

Execute PHP Online

php

<?php
function DoMath($x, $y) {
 $c = $x % $y;
 echo $c;
};

DoMath(14, 3);


?>

keygen

php

<?php
// EXAMPLE USAGE
//sn = "1AB%02X";
$digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";
$tempID = NULL;
        $tempID .= substr($digilist, rand(1, 9), 1); //random number
        $tempID .= substr($digilist, rand(10, 31), 1); //then a letter
        $tempID .= substr($digilist, rand(10, 31), 1); //another letter
        $tempID .= ("%'.02X");

$i=0;


for ($i; $i < 99; $i+1)
{
  $tempID =  sprintf($tempID, $i); 
    
$array = generate($tempID);
echo "\n";
echo "ID: " . $array[0];
echo "\n";
echo "Key: " . $array[1];
}

// FUNCTION
function generate(&$tempID)
{
        $digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY";

        //now we generate a new random ID number using the substrings of the digitList string above
        $id = NULL;
        $id .= $tempID;
        
                       
    //ok so now we need to generate an MD5 hash of our ID
        $hash = md5($id);

        //cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long)
        $i = 0;
        $key = NULL;
        for ($i; $i < 32; $i+=2)
        {
                //here we convert the next hex value to an integer and perform a bitwise AND operation against '31'
                //31 is the highest substring value in our digit list.  
                $nextdigit = hexdec(substr($hash, $i, 2)) & 31;

                //if 'i' is divisable by 8 (every 4 cycles) then we want to add "-"
                if ((($i % 8) == 0) && ($i > 0))
                {
                        $key .= "-".substr($digilist, $nextdigit, 1);
                }
                else
                {
                        $key .= substr($digilist, $nextdigit, 1);
                }
        }

        $array = array($id, $key);
        //return
        return $array;
}
?>

regulag eception

php

<?php
$html = '<li><li><a href="#">TEXT_1</a></li><a href="#">TEXT_2</a></li>';

function remove_a_from_li($html){
    while(preg_match('#<a(.*?)>(.*?)</a>#is', $html) == 1){
        $html = preg_replace('@(<li.*?)<a.*?/a>(</li>)@s', '\\1\\2', $html);
    }
    return $html;
}
echo remove_a_from_li($html);

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