PHP 7.4 – Null Coalesce Assignment Operator
The Null Coalesce Assignment Operator (??=) assigns the value of the right-hand parameter if the left-hand parameter is null. It is also called as Null Coalesce Equal Operator.
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PHP 7 – Combined Comparison (Spaceship) Operator
In this post we will take a look and another new operator in PHP 7. This operator is the Combined Comparison or Spaceship operator (<=>). This operator is a three way comparison operator. It will do greater-than, less-than and equal comparisons between two operands. The spaceship operator (<=>) returns -1 if the left side is …
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PHP 7 – Null Coalesce Operator
PHP 7 brings a lot of improvements, features and new operators as compared to the earlier versions on PHP. One of the new operators is the Null Coalesce Operator (??). This operator can be used instead of using isset() along with the ternary operator (?:). The Null coalesce operator (??) returns the result of its …
How to create a zip file using PHP
Recently I had to write a script to create a zip file containing different files and folders. PHP has a ZipArchive class which can be used easily to create zip files. In this article we will see how to create zip files in PHP. We will create different zip files from different files and folders. …
How to create CSV file using PHP
CSV (comma-separated values) is one of the most popular methods for transferring tabular data between applications. Lot of applications want to export data in a CSV file. In this article we will see how we can create CSV file using PHP. We will also see how to automatically download the file instead of just showing …