Traits provide a way to reuse code in classes without using inheritance. All properties and methods declared in trait are available within the class. Since PHP 8.2, we can use...
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Since PHP 8.0, we can use union types, where the value should be one of the specified types. Since PHP 8.1, we can use intersection types, where the value should...
Since PHP 8.2, the error_log_mode INI directive can be used to set permissions for an error log file, which configured with the error_log directive. Default value is 0644. It means...
Stack traces in exceptions can be useful for testing and debugging purposes. The stack trace contains the function names and parameters for each stack frame. It allows seeing what data...
PHP has OpenSSL extension that provides various functions related with cryptography, such as symmetric and asymmetric encryption and decryption, private and public key pair generation, etc.
Since PHP 8.2, we...
PHP has a function str_split that can be used to convert a string to an array. In PHP versions before 8.2, the str_split function returns an array with a single...
PHP allows to dynamically set and get class properties that are not declared in the class. Since PHP 8.2, dynamic properties are deprecated.
Let's say we have User class which...
The PHP functions utf8_encode and utf8_decode are used for converting string between ISO-8859-1 and UTF-8 encodings. Since 8.2, these functions are deprecated because they have an inaccurate name and can...
PHP provides several ways to embed variables into string. Since PHP 8.2, string interpolation when the dollar sign is placed outside the curly braces ${var} is deprecated.
Since PHP 8.2...
Composer store copies of downloaded PHP packages in the cache. It allows speeding up workflow because for the next time previously installed packages can be retrieved from the cache. Can...