43215-Anuj · dewanhimanshu · Oct 8, 2019
diff --git a/php/login.php b/php/login.php
@@ -0,0 +1,6 @@
+<?php
+
+?>
+
+
+
diff --git a/php/my.php b/php/my.php
@@ -0,0 +1,30 @@
+<?php
+    $conn =  mysqli_connect('localhost','root','password','test');
+
+    if(!$conn){
+        echo 'eeror'.mysqli_connect_error();
+    }
+    $sql = 'select * from user_info';
+    $sql2 = "insert into user_info values('chocho')";
+
+  //  mysqli_query($conn,$sql);
+    $result = mysqli_query($conn,$sql);
+   $names = mysqli_fetch_all($result,MYSQLI_ASSOC);
+    //$single = mysqli_fetch_assoc($result);
+   // $single2 = mysqli_fetch_assoc($result);
+    print_r($single2);
+    foreach($names as $key=>$value)
+    {
+        print_r($value);
+        echo "<br/>";
+    }
+    //print_r($names);
+
+// $arr = explode('@','himanshu@dewan.com');
+
+
+// list($username,$domain) = $arr;
+// $assoc = compact('username','domain');
+// print_r($assoc);
+
+?>
diff --git a/php/q1.php b/php/q1.php
@@ -0,0 +1,44 @@
+<?php
+    // $name = $_REQUEST['user_input'];
+    // global $count ;
+    // $count = 10;
+    // echo $name;
+    // if(0==false){
+    //     echo 'oh shit';
+    // }
+  //echo strrchr("My is name i hmanhu","is");
+ // echo nl2br("One line.\nAnother line.");
+        // $n = 4;
+
+        // echo "<table border='1px'>";
+        // for($i=0;$i<4;$i++)
+        // {
+        //     echo "<tr>";
+        //     for($j=0;$j<4;$j++)
+        //     {
+        //         echo "<td>".$i*$j."</td>";
+        //     }
+        //     echo "</tr>";
+        // }
+        // echo "</table>";
+
+        echo $_SERVER['REMOTE_PORT'];
+
+
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Document</title>
+</head>
+<body>
+<form action='/q1.php' method='get'>
+    <input name='user_input'/>
+    <input type='submit' />
+</form>
+</body>
+</html>
diff --git a/php/q10.php b/php/q10.php
@@ -0,0 +1,20 @@
+<?php
+    if($_POST['1']>=$_POST['2'] && $_POST['1']>=$_POST['3'] ){
+        echo $_POST['1'];
+    }
+    else if($_POST['2']>=$_POST['3']){
+        echo $_POST['2'];
+    }
+    else {
+         echo $_POST['3'];
+    }
+
+
+?>
+
+<form method='post'>
+    <input  type='number' name='1'/>
+    <input type='number' name='2'/>
+    <input type='number' name='3'/>
+    <input type='submit' />
+</form>
diff --git a/php/q11.php b/php/q11.php
@@ -0,0 +1,16 @@
+<?php
+    function my_fact($num){
+        if($num==1 || $num == 0){
+            return 1;
+        }
+        else return $num * my_fact($num-1);
+    }
+
+    echo my_fact($_POST['1']);
+
+?>
+
+<form method='post' >
+    <input type='number' name='1' />
+    <input type='submit' />
+</form>
diff --git a/php/q12.php b/php/q12.php
@@ -0,0 +1,27 @@
+<?php
+
+function prime($n){
+
+    for($i=2;$i<=$n-2;$i++){
+        if($n%$i==0){
+            return false;
+        }
+    }
+    return true;
+}
+    if(isset($_POST['1'])){
+        if(prime($_POST['1'])){
+            echo 'prime';
+        }
+        else{
+            echo 'notprime';
+        }
+    }
+
+?>
+
+<form method='post'>
+    <input type='number' name='1' />
+    <input type='submit' />
+
+</form>
diff --git a/php/q13.php b/php/q13.php
@@ -0,0 +1,16 @@
+<?php
+    $n = $_REQUEST['1'];
+    for($i=0;$i<2*$n;$i++){
+        if($i%2==0){
+            echo $i,'<br>';
+
+        }
+    }
+
+?>
+
+<form method='post'>
+    <input type='number' name='1' />
+    <input type='submit' />
+
+</form>
diff --git a/php/q14.php b/php/q14.php
@@ -0,0 +1,18 @@
+<?php
+    $n = $_REQUEST['1'];
+    $s = 0;
+    for($i=0;$i<2*$n;$i++){
+        if($i%2==1){
+            $s+=$i;
+
+        }
+    }
+    echo "sum is:",$s;
+
+?>
+
+<form method='post'>
+    <input type='number' name='1' />
+    <input type='submit' />
+
+</form>
diff --git a/php/q15.php b/php/q15.php
@@ -0,0 +1,29 @@
+<?php
+
+    if(isset($_POST['1'])){
+        $a = $_POST['1'];
+        $f=true;
+        for($i=0,$j=strlen($a)-1;$i<$j;$i++,$j--){
+          if($a[$i]!=$a[$j]){
+            echo 'not pali';
+            $f = false;
+            break;
+          }
+
+        }
+        if($f==true){
+            echo 'pali';
+        }
+
+
+    }
+
+
+
+?>
+
+<form method='post' >
+    <input name='1' />
+
+    <input type='submit' />
+</form>
diff --git a/php/q16.php b/php/q16.php
@@ -0,0 +1,23 @@
+<?php
+    function fib($n){
+        if($n==0||$n==1){
+            return $n;
+        }
+        else return fib($n-1)+fib($n-2);
+    }
+    $n = $_REQUEST['1'];
+    for($i=0;$i<$n;$i++){
+        echo fib($i),'<br>';
+    }
+
+
+?>
+
+
+
+
+<form method='post' >
+    <input type='numbers' name='1' />
+
+    <input type='submit' />
+</form>
diff --git a/php/q17.php b/php/q17.php
@@ -0,0 +1,17 @@
+<?php
+    $n = $_REQUEST['1'];
+    for($i=0;$i<$n;$i++){
+        for($j=0;$j<$i;$j++){
+            echo "*";
+        }
+        echo '<br>';
+    }
+
+?>
+
+
+<form method='post' >
+    <input type='numbers' name='1' />
+
+    <input type='submit' />
+</form>
diff --git a/php/q2.php b/php/q2.php
@@ -0,0 +1,6 @@
+<?php
+    $var = [23,2,1,32];
+    sort($var);
+    echo print_r($var);
+
+?>
diff --git a/php/q3.php b/php/q3.php
@@ -0,0 +1,42 @@
+<?php
+if(isset($_POST['choice'])){
+    if($_POST['choice']==1){
+        $str =  $_POST['string'];
+        echo $str . '<br/>'; 
+         echo str_replace(' ','',$str);
+
+    }
+    elseif($_POST['choice']==2){
+        $str =  $_POST['string'];
+        $substr = $_POST['string2'];
+        echo strpos($str,$substr);
+    }
+    elseif($_POST['choice']==3){
+        $str =  $_POST['string'];
+        if(preg_match('/^[A-Z+]$/',$str))
+            echo 'UpperCase';
+        elseif(preg_match('/^[a-z+]$/',$str))
+            echo 'LowerCase ';
+        else    
+            echo 'Contains Special Character';
+    }
+    elseif($_POST['choice']==4){
+        echo preg_replace('/the/','that',$string,1);
+       # echo str_replace()
+
+
+    }
+}
+?>
+
+
+<p>1.Remove White Spaces</p>
+<p>2.String Contains another String</p>
+<p>3.Check if it is lowercase</p>
+<p>4.Replace first the with that</p>
+<form method='post'>
+   Choice: <input name='choice' /><br>
+   String:1 <input name='string' /><br>
+    String 2<input name='string2' /><br>
+    <input type='submit' value='sunmit' />
+</form>
diff --git a/php/q4.php b/php/q4.php
@@ -0,0 +1,30 @@
+<?php
+    $today = date("Y-m-d");
+    $bdate=$_REQUEST['date'];
+    $birth_time=strtotime($bdate);
+    $current_time=strtotime($today);
+    $arr1=explode('-',$bdate);
+    $bday_year=$arr1[0];
+    $arr2=explode('-',$today);
+    $today_year=$arr2[0];
+
+    $year_diff=$today_year-$bday_year;
+
+    $new_time=strtotime("+".$year_diff." year",$birth_time);
+    if($new_time<$current_time){
+        $new_time=strtotime("+1 year",$new_time);
+
+    }
+    $time_diff=$new_time-$current_time;
+    $days=$time_diff/(86400);
+    echo "Hurray!, only $days left in your birthday ";
+
+
+?>
+
+<form method='post' >
+
+<input type='date' name='date' />
+<input type='submit' value='submit' />
+
+</form>
diff --git a/php/q5.php b/php/q5.php
@@ -0,0 +1,5 @@
+<?php
+    $a = array('red','green','white');
+    sort($a);
+    print_r($a);
+?>
diff --git a/php/q6.php b/php/q6.php
@@ -0,0 +1,31 @@
+<?php
+    switch($_POST['lang']){
+        case 'hindi':
+            echo 'नमस्ते';
+            break;
+        case 'english':
+            echo 'hello';
+            break;
+        case 'Telegu':
+            echo "హలో !";
+            break;
+        case 'Urdu':
+            echo "ہیلو !";
+            break;
+    }
+
+
+?>
+
+
+<form method='post' >
+    <select name='lang' >
+        <option value='hindi'>Hindi</option>
+        <option value='english'>English</option>
+        <option value='Telegu'>Telegu</option>
+        <option value='Urdu'>Urdu</option>
+        <input type='submit'/>
+
+</select>
+
+</form>