Process an HTML Form Securely with PHP
Last updated: August 26, 2026. Submit forms with POST, validate every field on the server, protect state-changing requests against CSRF,…
Category: PHP
Get the Current Page URL in PHP
Last updated: August 26, 2026. Build the current URL from a configured public origin and the request URI. A fixed…
Block Repeated Login Attempts in PHP
Last updated: August 25, 2026. A login limiter should slow repeated failures without revealing whether a username exists. Track attempts…
Generate PNG Images Dynamically with PHP GD
Last updated: August 25, 2026. PHP’s GD extension can create charts, badges, placeholders, and other small raster images at request…
Set and Read Secure Cookies in PHP
Last updated: August 26, 2026. Call setcookie() before sending any response body. For authentication, store an opaque session identifier rather…
Secure File Upload with PHP
Last updated: August 29, 2026. A secure upload handler validates the request, enforces a server-side size limit, identifies the file…
PHP Loops: foreach, for, while, and do-while
Last updated: August 27, 2026. PHP provides several loop structures. Use foreach for arrays and iterables, for for counters, and…
PHP Arrays: Indexed, Associative, and Multidimensional
Last updated: August 27, 2026. A PHP array is an ordered map: each value has an integer or string key.…
Install and Configure PHP on Windows
Last updated: August 26, 2026. For IIS, use a current x64 Non-Thread-Safe PHP build with FastCGI. For command-line work only,…
Extract Plain Text from DOCX and ODT Files with PHP
Last updated: August 25, 2026. DOCX and ODT documents are ZIP archives containing XML. PHP can extract their main XML…