3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(password_needs_rehash(null, PASSWORD_BCRYPT)); echo "\n"; print_r(password_needs_rehash('$2y$10$S2j/mLdZIAK/MONvQU57zemRuFR53qW91EBX03nCfNcndAdfOfSnS', PASSWORD_BCRYPT)); echo "\n"; print_r(password_needs_rehash("holladrio", PASSWORD_BCRYPT));

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38.59 ms | 402 KiB | 5 Q