How-to articles, tricks, and solutions about PHP

Laravel: redirect from controller to named route with params in URL

In Laravel, you can redirect from a controller to a named route with URL parameters using the redirect() helper function.

Error 500: Premature end of script headers

Error 500 "Premature end of script headers" is a general error message indicating that there is a problem with the server-side script that is preventing it from executing properly.

PHP Carbon, get all dates between date range?

You can use the range method of the Carbon class in PHP to get all the dates between a specific date range.

How to upload files in Laravel directly into public folder?

To upload files directly into the public folder in Laravel, you can use the storeAs method provided by the Storage facade.

Connect to SQL Server through PDO using SQL Server Driver

Here is an example of how to connect to a SQL Server database using PDO and the SQL Server driver:

How to use php array with sql IN operator?

You can use the implode() function to convert the PHP array into a string of comma-separated values, and then use that string in the SQL query with the IN operator.

PHP isset() with multiple parameters

The isset() function in PHP can take multiple parameters, and it will return TRUE if all of the variables passed to it have been set, and FALSE if any of them have not.

RuntimeException: Unable to create the cache directory (/var/www/sonata/app/cache/dev)

This error message indicates that the system is unable to create a cache directory at the specified location.

How to remove "index.php" in codeigniter's path

To remove "index.php" from the URL in CodeIgniter, you can use the .htaccess file.

Getting all request parameters in Symfony 2

In Symfony 2, you can use the $request->request object to get all request parameters.

Group array by subarray values

In PHP, you can group an array of arrays (subarrays) by the value of a specific key in each subarray using the array_reduce() function.

findAll() in yii

In the Yii framework, the findAll() method is used to retrieve all records from a database table that match a specified condition.

Where are $_SESSION variables stored?

In PHP, $_SESSION variables are typically stored on the server in a file or a database.

if block inside echo statement?

It is not possible to include an "if" block inside an "echo" statement in PHP.

PHP setcookie "SameSite=Strict"?

The "SameSite=Strict" attribute is a security feature that can be added to a cookie when using the PHP setcookie() function.

How to escape strings in SQL Server using PHP?

In PHP, you can use the sqlsrv_real_escape_string() function to escape strings in SQL Server.

PHP: Telegram Bot: Insert line break to text message

To insert a line break in a text message sent from a Telegram bot written in PHP, use the special characters "\n" in the message string.

How to build a RESTful API?

To build a RESTful API in PHP, you can use a framework such as Laravel or CodeIgniter, or you can build the API from scratch using core PHP.

TCPDF Save file to folder?

To save a file generated by TCPDF to a specific folder, you can use the TCPDF "Output" function.

TCPDF ERROR: Some data has already been output, can't send PDF file

This error message is typically encountered when using the TCPDF library to generate a PDF file, and it indicates that some data (such as HTML or text) has already been sent to the browser before the PDF file is generated and sent.

Setting up SSL on a local xampp/apache server

To set up SSL on a local XAMPP/Apache server, you will need to generate a self-signed certificate, configure the Apache server to use the certificate, and then access the server using https.

Simple DatePicker-like Calendar

A simple DatePicker-like calendar can be created using the PHP DateTime class and some basic HTML and CSS.

Way to get all alphabetic chars in an array in PHP?

You can use the range() function to get all alphabetic characters in an array in PHP.

Is there Java HashMap equivalent in PHP?

In PHP, the equivalent to a Java HashMap would be an associative array.

phpmailer: Reply using only "Reply To" address

To send an email using PHPMailer and have the reply go only to the "Reply-To" address, you can set the "addReplyTo" method and pass in the email address you want the reply to go to.