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Pyramid program in PHP

Hello All, This is kind of fun stuff. I was bored and decided to build a Pyramid Program in PHP. <?php $max = 5; //any numeric value to be assigned here for($i=1;$i<=$max;$i++) { inter($i,$max); } for($i=$max-1;$i>=1;$i--) { inter($i,$max); } function sp($j,$max) { for($i=$j;$i<$max;$i++) { echo '&nbsp;&nbsp;&nbsp;'; } } function inter($i,$max) { $j=1; sp($i,$max); while...
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Encode Decode image using PHP

Hello, I am describing here the way to 1) Encode image to generate a string 2) Decode image from a given encoded string 1) Here you need to specifiy the path of your image in variable ‘$image_path’ <?php $image_path = 'test_image.gif'; //this will be the physical path of your image $img_binary = fread(fopen($image_path, "r"), filesize($image_path)); ...
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Number of days between dates

One day I was just thinking about days spent by me on this earth, so I decided to make a script for the same. I am writing here the code, just make a new empty php file and copy and paste the script and execute it to find out the days between two dates. <h1>For finding days lived on earth</h1> <b>Select Date :</b> <form name="dob" action="<?php echo...
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Delete Directory in PHP

This post will be helpful to those who work with directories and files. I am writing here the PHP code for deleting the directory. <?php $extract_dir = 'path'; //physical path of the directory if(deleteDirectory($extract_dir)) //delete directory { $msg = "$extract_dir was deleted"; echo $msg."<br/>"; } else { $msg = "$extract_dir was not deleted"; echo...
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Passing by Reference

I am listing here a simple example to explain ‘passing by reference’ in PHP. I hope it is helpful. <?php $a = 5; echo 'A1->'.$a.'<br/>'; $b = 6; $a =& $b; echo 'A2->'.$a.'<br/>B1->'.$b.'<br/>'; global $var; function foo(&$var) { $var++; } $a=5; echo 'A3->'.$a.'<br/>'; foo($a); echo 'A4->'.$a.'<br/>Var->'.$var; ?> For...
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Insert and Retrieve file with MySQL

Some of you might be knowing that there is a functionality in MySQL database for storing files and retrieving the same. This is mainly used when we need to reduce response time for retrieving and using files in our application. I am listing here the method for inserting image file in and retrieving image file from MySQL database using PHP. 1) For inserting data into MySQL you need to convert the image...
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Mail in PHP

I am listing here the method for sending mail using PHP code. This will be useful in many ways, for example when you want to sent mail after say a form is submitted. Note: This may work in local , but I am suggesting you to execute on live server. <?php ini_set("SMTP","mail.yoursitename.com"); //this is in general case, put here the SMTP address. ini_set("SMTP_PORT",25);...
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Extracting String

This is small but very useful script. I have shown example for extracting only ‘src’ value from the ‘img’ tag, but you can modify and use as per your requirement using ‘preg_match_all’ function. <?php $src= '<img height="120" width="120" border="0" src="http://www.somesite.com/abc.jpg" class="image"/>'; preg_match_all('/(src)=("[^"]*")/i',$src,...
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Page Redirect

I have written a script for getting the files list from directory and redirecting the page on selecting option from the select box. So you will get the script for fetching all the files from current directory and redirecting page on selection. <h>Please select option</h> <?php $path = $_SERVER['DOCUMENT_ROOT'].$_SERVER['REQUEST_URI']; //current directory physical path $dir_handle...
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Database Backup

I am listing here the PHP script to generate backup of database. <?php /* Database Backup */ $username = "dbusername"; //database username $password = 'dbpass'; //database password $hostname = "localhost"; //host $dbname = "dbname"; //databse name $sConnString = mysql_connect($hostname, $username, $password) or die("Unable to connect to MySQL"); $name...
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