In this short post, we show to fix the “unexpected error ‘fn’” in The recent PHP upgrade to version to 7.4.x with WordPress version 5.5.3 leads to the following error in different plugins resulting in an application crash. Parse error: syntax error, unexpected ‘fn’ (T_FN), expecting identifier (T_STRING) in xxxx.php file line number 121. The …
Storing access keys is an integral part of development. Secure key storage becomes critical with multiple environments such as staging, development, and production. Specifically for WordPress, the key concerns are not disclosing keys in version control and securing the wp-config.php file. While there are multiple ways to do this, key storage becomes simple with DotEnv …
Securing keys with DotEnv 5.2 using Composer in WordPress Read More »
In this post, I will show how to use Angular Flex-Layout in HTML. Angular layout provides a sophisticated API using Flexbox. This module provides Angular developers with component layout features using a custom layout API. Angular Flex-Layout is a stand-alone library developed by the Angular team for designing sophisticated layouts. When creating an HTML page …
At the time of its creation, Angular apps load all modules immediately irrespective of their utility and usage in the app. Enter lazy loading. To reduce the number of components the app needs to load and save on resources such as processor power and network bandwidth, we implement the lazy loading pattern in the app. …
Today’s enterprise applications are necessarily high-demand and high-performance environments. With the current pandemic, these environments are under constant stress. While tools such as Nagios and Prometheus are in extensive use, they do not work well in a dynamic environment, and hence scalability has been their Achilles heel. At the same time, writing our monitoring systems …
Dynatrace APM – Continuous Monitoring for Today's DevOps Read More »
As with other programming languages, PHP also has a way to unpack arrays and objects. In this blog, we will look at destructuring assignments in PHP7. PHP Array Destructuring: There are functions available in PHP that allow you to unpack array values. These are, List Extract List The List is not function but a language …
In this post, we explain the importance of maintaining a transaction boundary in the context of Spring + Hibernate or SOA architecture. The use case An entity (Employee) updates with business logic that is dependent on another entity (EmployeeMetaData). The Employee entity is fetched using hibernate/ORM. However, we were not able to read uncommitted data …
Transaction boundary in the context of Spring + Hibernate or SOA architecture Read More »
In our previous blog we defined web scraping is the art and science of acquiring intended data from a targeted website which is publicly available. I call this art since we often come across challenges that often require out-of-the-box thinking. In this guide, we will cover the process of building a web scraper that, Automatically …
A quick Google search reveals that the most common way of calling AJAX in WordPress still uses admin-ajax.php. In this post, we show you the modern way of using AJAX in WordPress using the REST API. This way is applicable for WordPress versions 4.7 and above. Pre WordPress 4.7, REST API is available with the …
A modern way of AJAX in WordPress using REST API Read More »
ES6 introduces the Destructuring assignment that allows javascript developers to assign items of arrays or properties of objects to any individual variables. While the syntax is more simplified it exhibits more clarity that the traditional property access. Here is how you would extract items from an array in ES5: var animals = [‘dog’,’lion’,’cat’] var a …
Destructuring assignment in ES6 for more clarity Read More »
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