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run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding( "The Title", "UTF-8", "foobar" );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
Fatal error: Uncaught ValueError: mb_convert_encoding(): Argument #3 ($from_encoding) contains invalid encoding "foobar" in /in/pQk0K:3 Stack trace: #0 /in/pQk0K(3): mb_convert_encoding('The Title', 'UTF-8', 'foobar') #1 {main} thrown in /in/pQk0K 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 - 7.3.33, 7.4.0 - 7.4.33
Warning: mb_convert_encoding(): Illegal character encoding specified in /in/pQk0K on line 3 The Title
Output for 4.3.0 - 4.3.1
Warning: mb_convert_encoding() [http://www.php.net/function.mb-convert-encoding]: Illegal character encoding specified in /in/pQk0K on line 3 The Title

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