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🧨 PHP 8.4 Officially Released!

#php #webdev #programming

After much anticipation, PHP 8.4 has finally released its first official version. PHP 8.4 maintains a high degree of backward compatibility from PHP 8.0 to 8.4 and introduces several new features.

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New/Changed Features in PHP 8.4

  • curl_getinfo now supports CURLINFO_POSTTRANSFER_TIME_T
  • curl_version() supports feature_list
  • New functions: http_(get|clear)_last_response_headers
  • New option: CURLOPT_PREREQFUNCTION
  • New option: CURLOPT_DEBUGFUNCTION
  • New option: CURLOPT_SERVER_RESPONSE_TIMEOUT, replacing CURLOPT_FTP_RESPONSE_TIMEOUT
  • New option: CURLOPT_TCP_KEEPCNT
  • New round() function
  • New functions: mb_trim, mb_ltrim, and mb_rtrim
  • DateTime(Immutable) class now has createFromTimestamp method
  • phpinfo now displays PHP integer size information
  • DateTime(Immutable) class adds get/setMicrosecond methods
  • New function: request_parse_body
  • Upgraded PCRE2 with related regex changes

Syntax/Function Changes in PHP 8.4

  • OpenSSL: Minimum required OpenSSL version increased to 1.1.1
  • MBString: Unicode character database updated to version 16
  • exit/die changed from language constructs to functions
  • CURLOPT_DNS_USE_GLOBAL_CACHE is now deprecated
  • Password Hashing: Default Bcrypt cost increased from 10 to 12
  • PHP_ZTS and PHP_DEBUG constant value types changed from int to bool
  • Opcache: INI changes for enabling JIT
  • round() function: Invalid rounding modes will throw a \ValueError exception
  • Curl: Minimum required libcurl version increased to 7.61.0

Deprecated Features in PHP 8.4

  • Implicit nullable parameter declarations are deprecated
  • E_STRICT constant is deprecated
  • Using more than 2 parameters with session_set_save_handler() is deprecated
  • CSV: The $escape parameter must be provided
  • CURLOPT_BINARYTRANSFER is deprecated

Removed Features in PHP 8.4

  • Pspell extension moved from PHP core to PECL
  • IMAP extension moved from PHP core to PECL
  • OCI8 and PDO-OCI extensions moved from PHP core to PECL

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