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<?php var_dump(mb_convert_encoding("str", "from_invalid", "UTF-8")); var_dump(mb_convert_encoding("str", "UTF-8", "to_invalid"));
based on voeuu
Output for 8.0.0 - 8.0.3
Fatal error: Uncaught ValueError: mb_convert_encoding(): Argument #2 ($to_encoding) must be a valid encoding, "from_invalid" given in /in/5cErI:3 Stack trace: #0 /in/5cErI(3): mb_convert_encoding('str', 'from_invalid', 'UTF-8') #1 {main} thrown in /in/5cErI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.28, 7.4.0 - 7.4.16
Warning: mb_convert_encoding(): Unknown encoding "from_invalid" in /in/5cErI on line 3 bool(false) Warning: mb_convert_encoding(): Illegal character encoding specified in /in/5cErI on line 4 string(3) "str"
Output for 4.3.0 - 4.3.1
Warning: mb_convert_encoding() [http://www.php.net/function.mb-convert-encoding]: Unknown encoding "from_invalid" in /in/5cErI on line 3 bool(false) Warning: mb_convert_encoding() [http://www.php.net/function.mb-convert-encoding]: Illegal character encoding specified in /in/5cErI on line 4 string(3) "str"