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<?php var_dump(password_hash("bobbob", PASSWORD_BCRYPT, ["cost" => $cost]));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0
Notice: Undefined variable: cost in /in/um0pS on line 3 Warning: password_hash(): Invalid bcrypt cost parameter specified: 0 in /in/um0pS on line 3 NULL
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function password_hash() in /in/um0pS on line 3
Process exited with code 255.

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