PHP Snippets
816 snippets in PHP.
- ?: operator (the 'Elvis operator') in PHP
The Elvis operator, represented by a question mark followed by a colon (?:), is a ternary operator in PHP that is used to simplify expressions that return a value based on a condition.
- .rar, .zip files MIME Type
In PHP, you can use the finfo_file function to determine the MIME type of a file.
- 'AND' vs '&&' as operator
In PHP, both 'AND' and '&&' are logical operators that are used to test if two statements are true.
- "call to undefined function imagecreatetruecolor" error in PHP & pChart
The "call to undefined function imagecreatetruecolor" error in PHP typically occurs when the GD library, which is required to create image resources, is not installed or enabled on the server.
- "Database query failed: Data truncated for column 'column_name' at row 1
This error message is indicating that a database query has failed due to data being too large to fit into a specific column in the database table.
- "Typed property must not be accessed before initialization" error when introducing properties type hints?
In PHP, the "Typed property must not be accessed before initialization" error is encountered when a property is defined with a type hint, but it is accessed before it has been explicitly assigned a value.
- $_SERVER['HTTP_REFERER'] missing
The $_SERVER['HTTP_REFERER'] variable is a server-side variable that contains the URL of the page that linked to the current page.
- 413 Request Entity Too Large - File Upload Issue
The HTTP error 413 Request Entity Too Large indicates that the server is unable to process the request because the request payload (the body of the request) is larger than the server is able to handle.
- Access a global variable in a PHP function
In PHP, you can access a global variable within a function by using the global keyword.
- Access denied for user 'homestead'@'localhost' (using password: YES)
This error message indicates that there was a problem connecting to the MySQL database with the provided credentials.
- Accessing session from TWIG template
In a TWIG template, you can access the session data by using the app.session variable.
- Add 30 days to date
In PHP, you can add 30 days to a date by using the DateTime class and the modify() method.
- Add 30 seconds to the time with PHP
You can use the strtotime function in PHP to add a specified number of seconds to a given time.
- Add class="active" to active page using PHP
You can add the "active" class to the active page using PHP by comparing the current URL to the URL of the page you want to mark as active.
- Add data dynamically to an Array
To add data dynamically to an array in PHP, you can use the $array[] = $value syntax.
- Adding Query string params to a Guzzle GET request?
To add query string parameters to a GET request using Guzzle, you can use the query option when creating the request.
- Ajax Upload image
To upload an image using Ajax, you can use the following steps:
- Allow only [a-z][A-Z][0-9] in string using PHP
You can use the preg_replace function in PHP to remove any characters that do not match the specified pattern.
- Alternative to file_get_contents?
file_get_contents() is a built-in PHP function that is commonly used to read the contents of a file into a string.
- Array and string offset access syntax with curly braces is deprecated
In PHP, using array and string offset access syntax with curly braces has been deprecated as of PHP 7.4.
- array_push() with key value pair
To add an element to the end of an array with a key-value pair in PHP, you can use the array_push() function.
- artisan migration error "Class 'Doctrine\\DBAL\\Driver\\PDOMySql\\Driver' not found"
This error message is indicating that the PHP extension for PDO MySQL is not installed or not enabled on your system.
- Assets not referencing to public folder (Laravel)
In the Laravel framework, the "public" folder is the web server's document root and it's where assets such as CSS, JavaScript, and images should be stored.
- Automatic Logout after 15 minutes of inactive in php
To automatically log out a user after 15 minutes of inactivity in PHP, you can use the session mechanism provided by PHP.
- Best practice multi language website
One best practice for implementing a multi-language website in PHP is to use a language detection library such as Text-Language-Detect.
- best practice to generate random token for forgot password
A common practice for generating a random token for a "forgot password" feature in PHP is to use the built-in functions random_bytes and bin2hex.
- Best practices to test protected methods with PHPUnit
There are a few ways you can test protected methods using PHPUnit:
- Best solution to protect PHP code without encryption
One solution to protect PHP code without encryption is to use code obfuscation.
- Best way to check if mysql_query returned any results?
To check if a MySQL query returned any results, you can use the mysqli_num_rows function.
- Best way to do a PHP switch with multiple values per case?
To get specific attributes from a Laravel Collection, you can use the pluck method.