paulgrenwood

Member since 09/23/2009

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PHP Randomize Background Image

Set up and array of filenames, which correspond to the file names of the images you are trying to randomize.

0 449 posted 13 years ago by paulgrenwood

PHP Cleaning Variables

Variables that are submitted via web forms always need to be cleaned/sanitized before use in any way, to prevent against all kinds of different malicious intent.

0 381 posted 13 years ago by paulgrenwood

PHP How to Code a Signup Form with Email Confirmation

0 555 posted 13 years ago by paulgrenwood

PHP Zip Files on the Fly

2 449 posted 13 years ago by paulgrenwood

PHP Validate Email Address

E-mail validation is perhaps the most used validation in web forms, this code will validate email address and also optionally check the MX records of the domain provided in email address to make email validation more robust.

2 532 posted 13 years ago by paulgrenwood

PHP Truncate Text at Word Break

This function will truncate strings only at word breaks which can be used to show a teaser for complete article without breaking words.

0 458 posted 13 years ago by paulgrenwood

PHP Resize Images on the fly

Creating thumbnails of the images is required many a times, this code will be useful to know about the logic of thumbnail generation.

0 518 posted 13 years ago by paulgrenwood

PHP Prepend http to a URL

Some times you need to accept some url as input but users seldom add http:// to it, this code will add http:// to the URL if itâ€™s not there.

1 453 posted 13 years ago by paulgrenwood

PHP Parse JSON Data

With most of the popular web services like Twitter providing their data through APIs, it is always helpful to know how to parse API data which is sent in various formats including JSON, XML etc.

1 365 posted 13 years ago by paulgrenwood

PHP List Directory Contents

0 403 posted 13 years ago by paulgrenwood

PHP isset instead of strlen

This snippet uses isset() instead strlen() to verify a PHP variable (in this example $username) is set and is at least six characters long.

0 346 posted 13 years ago by paulgrenwood

PHP Human Readable Random String

This code will create a human readable string that will look more close to dictionary words, useful for captchas.

0 594 posted 13 years ago by paulgrenwood

PHP Get Real IP Address of Client

This function will fetch the real IP address of the user even if he is behind a proxy server.

0 441 posted 13 years ago by paulgrenwood

PHP Generate Random String

If you donâ€™t need human readable string, then use this function instead, which will create a random string you can use for user idâ€™s etc.

1 418 posted 13 years ago by paulgrenwood

PHP Force File Download

Provide files to the user by forcing them to download.

0 502 posted 13 years ago by paulgrenwood

PHP Encode Email Address

With this snippet, you can encode any email address into HTML entities so that spam bots do not find it.

0 411 posted 13 years ago by paulgrenwood

PHP Convert URLs within String to Links

This function converts URLs and e-mail addresses within a string into clickable hyperlinks.

0 475 posted 13 years ago by paulgrenwood

PHP Convert Strings into Clickable URL

0 406 posted 13 years ago by paulgrenwood