WDH: 2015

Replace a specific keyword on all files within a folder

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</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfKXg5ZCuBHdRU7AXvFXiViN_SBdB88HypCroZZ-Dg_Tum6u-Ha7cLanRPlt0mlE1KD94RFMoVYDFvbRaNNRGxZUTSGZ6Z-zwHTjN-AXv2Cdt6h00qQZxVNm07OApZWsHH7lTEJQ2w2V8I/s1600/before_rename.jpg" imageanchor="1" style="clear: left; display: inline !important; font-size: 12.8000001907349px; margin-bottom: 1em; margin-right: 1em; text-align: center;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfKXg5ZCuBHdRU7AXvFXiViN_SBdB88HypCroZZ-Dg_Tum6u-Ha7cLanRPlt0mlE1KD94RFMoVYDFvbRaNNRGxZUTSGZ6Z-zwHTjN-AXv2Cdt6h00qQZxVNm07OApZWsHH7lTEJQ2w2V8I/s1600/before_rename.jpg" width="200" /></a>Suppose, we have to change some keyword within a folder for all files name. 
<div style="font-size: 12.8000001907349px;">For that I have written a small program, Its take a folder name and take all the files's name of the folder in the array, and we replace the specific keyword with the word, we want there.  
Follow the program for the code, you just need to change the first three variable of the code.</div></div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhA-uCRpVbm-WDocndqAzLu3AAsH4_LdtCf1QpNHnd3pP5b9qFezSOdgCjzEkx9U3nJu1sZJmbEytpOO_VG2LxFDxpizhYFBBhuaWPACEagR222aB5KePykGdqUltUVQ_En9oofLeWERI5P/s1600/after_rename.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhA-uCRpVbm-WDocndqAzLu3AAsH4_LdtCf1QpNHnd3pP5b9qFezSOdgCjzEkx9U3nJu1sZJmbEytpOO_VG2LxFDxpizhYFBBhuaWPACEagR222aB5KePykGdqUltUVQ_En9oofLeWERI5P/s1600/after_rename.jpg" width="200" /></a> 
 
 
 
 
 
 
 
 
 
 
See Live Example <a href="http://rahulitjec.tk/rename.php" target="_blank">here</a></div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> 
</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"><?php</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> 
</div><div style="background-color: white;"> $dir = 'rename4folder';   
<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">// folder path within this file, If are nor sure about the location, just use the full Physical URL of the folder</div><div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> 
</div></div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> $replacekeyword  = 'replace';  // name to be replaced 
 
</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> $replacewith  = 'with';  // name with this the name replacerd</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> </div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> $files = scandir($dir); </div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> </div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> if(is_array($files))</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> foreach($files as $single)</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> $newsingle = str_replace($replacekeyword,$replacewith,$single); </div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> if(($single!=".")&&($single!=".."))</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> $dothis = 1;</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> }</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> if($dothis)</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> if(rename($dir.'/'.$single, $dir.'/'.$newsingle))</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> echo " ".$single." renamed to ".$newsingle;</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> } else {</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> echo " ".$single." not renamed to ".$newsingle.""; </div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> }</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> }</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> }</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> }</div><div style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">?></div></div>

Replace a specific keyword on all files within a folder

Suppose, we have to change some keyword within a folder for all files name. For that I have written a small program, Its take a folder nam...

Convert case of word or sentence in PHP (Capital and Lower)

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Sometime we need to convert case of the word o variable we got in PHP. PHP have a built in function for converting the case of the word, Which can be use as below code. 
 
Some example are, we save all user name in database and after calling from database, we don't know what will be the output of name in the sense of character case, as user can enter his name all in capital, all in small or can insert into first character capitcal. 
 
So we will manipulate these as follow: 
 
<ul>
<li>First we convert in to lower case, suppose we are getting  variable i.e.  $username, so we do $username = strtolower($username);</li>
<li> Then we convert it to according to our need as follow:</li>
<li>If want only first character capital:       $username = ucfirst($username);</li>
<li>If want only first character capital:       $username = strtoupper($username);</li>
<li>We can also do it by one line as :</li>
<li>$username = ucfirst(strtolower($username));</li>
<li>$username = strtoupper(strtolower($username));</li>
</ul>
<div style="text-align: center;">
############  Code ############ </div>
<?php 
 
 $word = "word"; 
 
 echo "The Word is : ".$word; 
 
 echo " Word convert all character to capital. "; 
 
 echo strtoupper($word); 
 
 echo " Word convert all character to small."; 
 
 echo strtolower($word); 
 
 echo " Word convert first character to capital. "; 
 
 echo ucfirst($word); 
 
 echo " Word convert first character to small. "; 
 
 echo lcfirst($word); 
 
 
 echo "<hr/>"; 
 
 $string = "this is a sentence, all in lower case."; 
 
 echo "The Sentence is : ".$string; 
 
 echo " Sentence convert all word 1st character to capital. "; 
 
 echo ucwords($string); 
 
?> 
 
 ############  Code ############  
############  O/P ############  
<div style="text-align: right;">
<div style="text-align: right;">
 
</div>
<div style="text-align: justify;">
The Word is : word 
 
Word convert all character to capital. 
WORD 
 
Word convert all character to small. 
word 
 
Word convert first character to capital. 
Word 
 
Word convert first character to small. 
word</div>
<hr style="text-align: start;" />
<div style="text-align: justify;">
The Sentence is : this is a sentence, all in lower case. 
 
Sentence convert all word 1st character to capital. 
This Is A Sentence, All In Lower Case.</div>
<div style="text-align: right;">
 
</div>
</div>
<div style="text-align: right;">
 
</div>
 
<div style="text-align: center;">
############  O/P ############ </div>
 </div>

Convert case of word or sentence in PHP (Capital and Lower)

Sometime we need to convert case of the word o variable we got in PHP. PHP have a built in function for converting the case of the word...

Get Factorial of a Number using jQuery

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In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 
 
<img alt="5! = 5 \times 4 \times 3 \times 2 \times 1 = 120. \ " class="mwe-math-fallback-image-inline tex" src="http://upload.wikimedia.org/math/9/3/9/939c013423574cad70f33eaa7dd68f0c.png" style="background-color: white; border: none; color: #252525; display: inline-block; font-family: sans-serif; font-size: 14px; line-height: 22.3999996185303px; vertical-align: middle;" /> 
 
The value of 0! is 1, according to the convention for an empty product. 
 
Read full about factorial  <a href="http://en.wikipedia.org/wiki/Factorial" rel="nofollow" target="_blank">here</a> on wikipedia. 
 
 
 
We will use For loop for getting factorial  of  a number, so we just have to decrease value by one and multiply with previous holding temporary value, We have to initiate temporary value with 1. 
 
 
The Following will be code: 
 
 
 
 <input type="text" name="factroial4" id="factroial4" /> 
 
 
 
 <button type="button" name="button" onclick="GetFactorial();" /> 
 Calculate Factorial 
 </button> 
 
 
 
 <div id="showresulthere"></div> 
 
 
<script src="//code.jquery.com/jquery-1.11.2.min.js"></script> 
 
 <script> 
 
 // function defination 
 
 function GetFactorial() 
   { 
 var value = $("#factroial4").val(); 
     tempvalue = 1; 
     for ( i=value ; i>0 ;  i-- ) 
      { 
         tempvalue *=  i ; 
      // this is same as the   tempvalue =  tempvalue * i ; 
      } 
 $("#showresulthere").html("Factorial of "+value+" is :"+tempvalue); 
   } 
  
 // function defination 
 
 </script></div>

Get Factorial of a Number using jQuery

In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to ...

Get Factorial of a Number using PHP

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In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 
 
<img alt="5! = 5 \times 4 \times 3 \times 2 \times 1 = 120. \ " class="mwe-math-fallback-image-inline tex" src="http://upload.wikimedia.org/math/9/3/9/939c013423574cad70f33eaa7dd68f0c.png" style="background-color: white; border: none; color: #252525; display: inline-block; font-family: sans-serif; font-size: 14px; line-height: 22.3999996185303px; vertical-align: middle;" /> 
 
The value of 0! is 1, according to the convention for an empty product. 
 
Read full about factorial  <a href="http://en.wikipedia.org/wiki/Factorial" rel="nofollow" target="_blank">here</a> on wikipedia. 
 
 
 
We will use For loop for getting factorial  of  a number, so we just have to decrease value by one and multiply with previous holding temporary value, We have to initiate temporary value with 1. 
 
 
The Following will be code: 
 
Function oriented way: 
<?php 
 // function defination 
 
 function GetFactorial($value) 
 { 
 $tempvalue = 1; 
 for ( $i=$value ; $i>0 ;  $i-- ) 
 { 
  $tempvalue *=  $i ; 
 // this is same as the   $tempvalue =  $tempvalue * $i ; 
 } 
 return $tempvalue; 
 } 
 // function defination 
 
 
 // getting value by calling 
 
 echo " Factorial of 1 is : ".GetFactorial(3); 
 echo " Factorial of 2 is : ".GetFactorial(3); 
 echo " Factorial of 3 is : ".GetFactorial(3); 
 echo " Factorial of 4 is : ".GetFactorial(4); 
 echo " Factorial of 5 is : ".GetFactorial(5); 
 echo " Factorial of 6 is : ".GetFactorial(6); 
 echo " Factorial of 7 is : ".GetFactorial(7); 
 
 // getting value by calling 
?></div>

Get Factorial of a Number using PHP

In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to ...

Type of the PHP Variable

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Here we will understand, How we can know the type of the variable.</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
As PHP automatic set the type to the variable as we defined it, But sometime it is neccessary to check the type of the variable.</div>
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 </div>
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Suppose you have a condition, that it there is more then 10 Items in store,  you will add them all for calculation of the total payment, but when  the item is only one, there is no need to adding them, as the total cost will be cost of the item.</div>
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 </div>
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So you can do by checking the variable type of the variable m If it is array then we will add them all, if this is only a string or Integer, and it is the final cost.</div>
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 </div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
Example you have an Variable $value.</div>
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 </div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
if it is array, we will use array function to check as follow: </div>
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<?php                                $totalcost = 0;</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
   if( is_array ($value) )</div>
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              {</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
                   foreach ( $value as $single )</div>
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                      {</div>
                             $totalcost = $totalcost + $value; 
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
                      }</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
              } else {</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
                           $totalcost  =  $value;</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
              }</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px;">
?></div>
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 </div>
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Let find out some more in below Program.</div>
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 </div>
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 </div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px; text-align: center;">
##################################</div>
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PHP CODE</div>
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##################################</div>
<?php $var1 = "The 2 Sentances 4"; $var2 = 5; // type will be string $var2 = "5"; // type will be integer echo $var1; echo " "; echo $var2; echo " "; settype($var2,'integer'); echo $total = $var1 + $var2; echo " "; echo gettype($var1); echo " "; echo gettype($var2); echo " "; settype($var2,'integer'); echo gettype($var2); echo " "; $var1 = "The first Sentances"; $var2 = "The second Sentances"; echo $var1; echo " "; echo $var2; echo " "; echo $total = $var1 + $var2; echo " "; echo gettype($var1); echo " "; echo gettype($var2); echo " "; // Check the variable type // check the variable is array or not if(is_array($var1)) { echo "Its an Array."; } else { echo "Its not an Array."; } // check the variable is array or not echo " "; // check the variable is float or not if(is_float($var1)) { echo "Its an Float."; } else { echo "Its not an Float."; } // check the variable is float or not echo " "; // check the variable is bool or not if(is_bool($var1)) { echo "Its an bool."; } else { echo "Its not an bool."; } // check the variable is bool or not echo " "; // check the variable is integer or not if(is_int($var1)) { echo "Its an integer."; } else { echo "Its not an integer."; } // check the variable is integer or not echo " "; // check the variable is NULL or not if(is_null($var1)) { echo "Its an NULL."; } else { echo "Its not an NULL."; } // check the variable is NULL or not echo " "; // check the variable is numeric or not if(is_numeric($var1)) { echo "Its an numeric."; } else { echo "Its not an numeric."; } // check the variable is numeric or not echo " "; // check the variable is string or not if(is_string($var1)) { echo "Its an string."; } else { echo "Its not an string."; } // check the variable is string or not echo " "; ?> 
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OUTPUT OF CODE</div>
<div style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 15px; line-height: 20.7900009155273px; text-align: center;">
################################## <div style="text-align: left;">
The 2 Sentances 4 5 5 string integer integer The first Sentances The second Sentances 0 string string Its not an Array. Its not an Float. Its not an bool. Its not an integer. Its not an NULL. Its not an numeric. Its an string.</div>
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Type of the PHP Variable

Here we will understand, How we can know the type of the variable. As PHP automatic set the type to the variable as we defined it, But s...

Basic for Function on PHP

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Function:        Function are a set of bloch, which are defined for calling a set of code again and again. There are two way to calling a function in PHP: <ul style="line-height: 1.4; list-style: disc; margin: 0.5em 0px; padding: 0px 2.5em; text-align: left;">
<li style="border: none; margin: 0px 0px 0.25em; padding: 0px; text-indent: 0px;">Directly calling a Function.</li>
<li style="border: none; margin: 0px 0px 0.25em; padding: 0px; text-indent: 0px;">Function called by a object of a class and defined within a class. </li>
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They are Important as some of the code, we have to use different location on a site. So a good way is to define in a File i.e. "functions.php" and include it to top of the position. <div style="text-align: center;">
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PHP Code</div>
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Program 01:      Normal Function just running the code within it</div>
<?php //  Normal Function just running the code within it //  function definition function callme($a,$b) { // echo " Sum of the ".$a." and ".$b. "is = ".$a+$b; echo " Sum of the ".$a." and ".$b. "is = ".($a+$b); echo " Multi of the ".$a." and ".$b. "is = ".$a*$b; echo " Min of the ".$a." and ".$b. "is = ".$a-$b; echo " Divide of the ".$a." and ".$b. "is = ".$a/$b; echo " Modulus of the ".$a." and ".$b. "is = ".$a%$b; } // function defination // function call callme(2,5); // function call ?> Program 02:  Function definition with returning some value <?php // function definition with returning some value function sum($a,$b) {     $sum = $a + $b; return $sum; } function minus($a,$b) {     $minus = $a - $b; return $minus; } // function defination with returning some value // use of return function as a variable echo "Sum of 2 and 3 is : ".sum(2,3); // use of return function as a variable // function definition with returning some value ?> Program 03: Function definition with returning array value <?php function callmeforarray($a,$b) { $addition  = $a + $b; $minus  = $a - $b; $multiplication = $a * $b; $division  = $a / $b; $modulus  = $a % $b; $returnvalue['sum'] = $addition." "; $returnvalue['min'] = $minus." "; $returnvalue['mul'] = $multiplication." "; $returnvalue['div'] = $division." "; $returnvalue['mod'] = $modulus." "; return $returnvalue; } echo "<hr/>"; $result = callmeforarray(30,5);  echo "Sum is : ". $result['sum'];  echo "Min is : ". $result['min'];  echo "mul is : ". $result['mul'];  echo "div is : ". $result['div'];  echo "mod is : ". $result['mod'];  $result = callmeforarray(34,2);  echo "Sum is : ". $result['sum'];  echo "Min is : ". $result['min'];  echo "mul is : ". $result['mul'];  echo "div is : ". $result['div'];  echo "mod is : ". $result['mod'];  echo "<hr/>"; ?> Program 04: Function definition within in a class <?php // function definition within in a class class common { function addition($a,$b) { echo " Sum of the " . $a . " and  " . $b . " is : " . ( $a + $b ) ; } function multiplication($a,$b) { echo " Multiplication of the " . $a . " and  " . $b . " is : " . ( $a * $b ) ; } } // function defination within in a class // object creation for class $com1 = new common(); // object creation for class // function call via class's object $com1->addition(2,3); $com1->multiplication(2,3); // function call via class's object ?> Program 05:  Function call of a another class <?php // function call of a another class class class1 { function function1() { return 123; } function function2() { return 259; } } class class2 { function function1() { $object = new class1();  echo $object->function1()+$object->function2(); } } $obj = new class2(); $obj->function1(); // function call of a another class echo "<hr/>"; echo "Above Exapmle Basic : " . (123+259); echo "<hr/>"; ?> <div>
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Output of the Code</div>
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Program 01:</div>
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Sum of the 2 and 5is = 7 Multi of the 2 and 5is = 10-5 Divide of the 2 and 5is = 0.4 Modulus of the 2 and 5is = 2</div>
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Program 02:</div>
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Sum of 2 and 3 is : 5</div>
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Program 03:</div>
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Sum is : 35 Min is : 25 mul is : 150 div is : 6 mod is : 0 Sum is : 36 Min is : 32 mul is : 68 div is : 17 mod is : 0</div>
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Program 04: </div>
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Sum of the 2 and 3 is : 5 Multiplication of the 2 and 3 is : 6</div>
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Program 05:  </div>
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382<hr />
Above Example Basic : 382</div>
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Basic for Function on PHP

Function: Function are a set of bloch, which are defined for calling a set of code again and again. There are two way to cal...

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