Diamond Shape Program Code in PHP

By: Prof. Fazal Rehman Shamil						

Last modified on May 27th, 2019			

Diamond Shape Program Code in PHP

In this tutorial, we learn the code of diamond shape program in PHP.

Diamond Shape Program Code in PHP

&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Diamond Shape!&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;?php
$limit = 10;
$space = $limit;
for ($i = 1; $i &lt;= $limit; $i++) {
for ($j = 1; $j &lt;= $space; $j++) {
echo "&amp;nbsp;&amp;nbsp;";
}
$space--;
for ($j = 1; $j &lt;= 2 * $i - 1; $j++) {
echo "*";
}
echo "&lt;br&gt;";
}
$space = 2;
for ($i = 1; $i &lt;= $limit; $i++) {
for ($j = 1; $j &lt;= $space; $j++) {
echo "&amp;nbsp;&amp;nbsp;";
}
$space++;
for ($j = 1; $j &lt;= 2 * ($limit - $i) - 1; $j++) {
echo "*";
}
echo "&lt;br&gt;";
}
?&gt;
&lt;/body&gt;
&lt;/html&gt;

<html>

<head>

<title>Diamond Shape!</title>

</head>

<body>

<?php

$limit = 10;

$space = $limit;

for ($i = 1; $i <= $limit; $i++) {

for ($j = 1; $j <= $space; $j++) {

echo "&nbsp;&nbsp;";

}

$space--;

for ($j = 1; $j <= 2 * $i - 1; $j++) {

echo "*";

}

echo "<br>";

}

$space = 2;

for ($i = 1; $i <= $limit; $i++) {

for ($j = 1; $j <= $space; $j++) {

echo "&nbsp;&nbsp;";

}

$space++;

for ($j = 1; $j <= 2 * ($limit - $i) - 1; $j++) {

echo "*";

}

echo "<br>";

}

</body>

</html>

Diamond Shape in PHP with Form Values entered by the user

In this tutorial, we learn the code of diamond shape program in PHP with form values entered by the user.

&lt;html&gt;
&lt;head&gt;
&lt;title&gt;print Diamond Shape!&lt;/title&gt;     
&lt;/head&gt;
&lt;body&gt;
&lt;h2&gt;print Diamond Shape!&lt;/h2&gt;
&lt;form method="post"&gt;
Enter the limit:  &lt;input type="number" name="limit" min="2" max="100" /&gt;&amp;nbsp;&lt;input type="submit" value="Print Diamond Pattern!" name="print" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
&lt;?php
//check if the form is submitted 
$con = mysqli_connect("localhost","root","","mydatabase");
//echo $con;
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
if (isset($_POST['print']) &amp;&amp; $_POST['print']) {
$limit = $_POST['limit'];
$sql = "INSERT INTO diamond (DiamondValue) VALUES ($limit)";
if ($con-&gt;query($sql) === TRUE) {
echo "New record created successfully";
echo "&lt;br&gt;";
} else {
echo "Error: " . $sql . "&lt;br&gt;" . $con-&gt;error;
}
$space = $limit;
for ($i = 1; $i &lt;= $limit; $i++) {
for ($j = 1; $j &lt;= $space; $j++) {
echo "&amp;nbsp;&amp;nbsp;";
}
$space--;
for ($j = 1; $j &lt;= 2 * $i - 1; $j++) {
echo "*";
}
echo "&lt;br&gt;";
}
$space = 2;
for ($i = 1; $i &lt;= $limit; $i++) {
for ($j = 1; $j &lt;= $space; $j++) {
echo "&amp;nbsp;&amp;nbsp;";
}
$space++;
for ($j = 1; $j &lt;= 2 * ($limit - $i) - 1; $j++) {
echo "*";
}
echo "&lt;br&gt;";
}
}
?&gt;

<html>

<head>

<title>print Diamond Shape!</title>

</head>

<body>

<h2>print Diamond Shape!</h2>

Enter the limit: <input type="number" name="limit" min="2" max="100" />&nbsp;<input type="submit" value="Print Diamond Pattern!" name="print" />

</form>

</body>

</html>

<?php

//check if the form is submitted

$con = mysqli_connect("localhost","root","","mydatabase");

//echo $con;

// Check connection

if (mysqli_connect_errno())

{

echo "Failed to connect to MySQL: " . mysqli_connect_error();

}

if (isset($_POST['print']) && $_POST['print']) {

$limit = $_POST['limit'];

$sql = "INSERT INTO diamond (DiamondValue) VALUES ($limit)";

if ($con->query($sql) === TRUE) {

echo "New record created successfully";

echo "<br>";

} else {

echo "Error: " . $sql . "<br>" . $con->error;

}

$space = $limit;

for ($i = 1; $i <= $limit; $i++) {

for ($j = 1; $j <= $space; $j++) {

echo "&nbsp;&nbsp;";

}

$space--;

for ($j = 1; $j <= 2 * $i - 1; $j++) {

echo "*";

}

echo "<br>";

}

$space = 2;

for ($i = 1; $i <= $limit; $i++) {

for ($j = 1; $j <= $space; $j++) {

echo "&nbsp;&nbsp;";

}

$space++;

for ($j = 1; $j <= 2 * ($limit - $i) - 1; $j++) {

echo "*";

}

echo "<br>";

}

Output

**Figure:** Diamond Shape Program Code in PHP

Database View for Diamond Shape Program

**Figure:** Diamond Shape in PHP with Form Values entered by the user

Diamond Shape Program Code in PHP