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What is the fallback for PHP’s each() function?

January 15, 2026January 16, 2026 AL2Meta

The each() function was deprecated in PHP 7.2.0 and completely removed in PHP 8.0.0. Using this function in your PHP code will trigger a “Call to undefined function”

Terms

HTML

January 15, 2026January 15, 2026 AL2Meta

HTML stands for HyperText Markup Language. It is the standard language used to create and structure web pages on the internet. What HTML does HTML tells the browser

Terms

ALU

January 11, 2026January 11, 2026 AL2Meta

An ALU (Arithmetic Logic Unit) is a core component of the CPU that performs arithmetic and logical operations on data. What it does: In simple terms:The ALU is

Notes WordPress Plugins

How to Add a Query ID to an Elementor Posts Widget?

January 2, 2026January 16, 2026 AL2Meta

What is a Query ID in Elementor How to set a Query ID in Elementor

Terms

CPU

December 26, 2025December 26, 2025 AL2Meta

A CPU (Central Processing Unit) is the main processor of a computer—often called the computer’s “brain.” What the CPU does The CPU is responsible for: In simple terms,

Terms

DMARC

December 26, 2025December 26, 2025 AL2Meta

DMARC stands for Domain-based Message Authentication, Reporting, and Conformance. It’s an email authentication protocol that helps protect your domain from email spoofing, phishing, and fraud, and it improves

Terms

SPF

December 26, 2025December 26, 2025 AL2Meta

SPF (Sender Policy Framework) is an email authentication method that helps prevent email spoofing by specifying which mail servers are allowed to send email on behalf of a

Terms

DKIM

December 26, 2025December 26, 2025 AL2Meta

DKIM (DomainKeys Identified Mail) is an email authentication method that helps verify the legitimacy of an email message and protect against email spoofing. Here’s a clear breakdown: 1.

Terms

OpenDKIM

December 26, 2025December 30, 2025 AL2Meta

OpenDKIM is an open-source software tool that implements DKIM (DomainKeys Identified Mail) for email systems. Essentially, it helps verify the authenticity of emails and prevents email spoofing. Here’s

Email Server Notes

OpenDKIM Signing Table not matching wildcard email addresses despite correct Signing Table configuration

December 25, 2025January 16, 2026 AL2Meta

In this problem, I have configured OpenDKIM to use a signing table, which was saved at /etc/opendkim/signing.table. The signing table contains: This is supposed to allow OpenDKIM to