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How-to articles, tricks, and solutions about PHP

Include constant in string without concatenating

In PHP, you can include a constant in a string without concatenating it by using double quotes (") instead of single quotes (') to define the string.

php string concatenation constants

Is there a built-in way to get all of the changed/updated fields in a Doctrine 2 entity?

Yes, Doctrine 2 provides a built-in way to get the changed fields in an entity.

php symfony doctrine doctrine-orm

Unique and temporary file names in PHP?

In PHP, you can use the tempnam() function to generate a unique and temporary file name.

php

Elegant way to get the count of months between two dates?

There are multiple ways to get the count of months between two dates in PHP, but one elegant way is to use the DateTime class and the diff() method.

php date

How do you get php working on Mac OS X?

To get PHP working on Mac OS X, you can follow these steps:

php macos osx-lion

Docker MYSQL '[2002] Connection refused'

The '[2002] Connection refused' error in Docker when trying to connect to a MySQL container typically indicates that the MySQL server is not running or is not accessible on the network.

php symfony MySQL docker

JSON_ENCODE of multidimensional array giving different results

JSON_ENCODE is a function that converts a PHP data structure, such as an array, into a JSON (JavaScript Object Notation) string.

php json arrays

can't write image data to path in laravel using the Intervention library

There could be several reasons why you are unable to write image data to a path in Laravel using the Intervention library.

php laravel

Proper URL forming with a query string and an anchor hashtag

To form a proper URL with a query string and an anchor hashtag in PHP, you can use the http_build_query() function to create the query string and concatenate it to the base URL using the ?

php url wordpress standards url-fragment

Get name of caller function in PHP?

In PHP, the name of the caller function can be obtained using the debug_backtrace() function.

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