PHP 8.2: What's New and Changed

New Features

• readonly Classes
• true type
• Allow null and false as standalone types
• Sensitive Parameter value redaction support
• New Random Extension
• MySQLi: New mysqli_execute_query function and mysqli::execute_query method
• New openssl_cipher_key_length function
• New error_log_mode INI setting to set permissions for error log file
• OpenSSL: New openssl_cipher_key_length function
• Constants are supported in traits
• New curl_upkeep function
• New ini_parse_quantity function
• New memory_reset_peak_usage function
• No-capture modifier (/n) support in preg_* functions
• Curl: CURLINFO_EFFECTIVE_METHOD support in curl_getinfo function
• AllowDynamicProperties Attribute

Syntax/Functionality Changes

• INI Parsing warnings
• ksort(..., SORT_REGULAR) sort order changes
• str_split function returns empty arrays for empty strings

Deprecations

• Dynamic Properties are deprecated
• utf8_encode and utf8_decode functions deprecated
• Partially-supported callable are deprecated
• Mbstring: Base64, Uuencode, QPrint, and HTML Entity encodings are deprecated
• ${var} string interpolation deprecated

Removed Features and Functionality

• MySQLi can no longer be compiled with libmysqli