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May 23, 2025 · Backend Development
Deprecated PHP Functions in PHP 8 and Their Modern Replacements
This article lists the PHP functions that have been deprecated or removed in PHP 8, explains the security and performance risks of continuing to use them, and provides modern alternatives such as closures, foreach loops, PDO/MySQLi, preg_* functions, and OpenSSL.
MigrationPHPPHP8
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