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<?php var_dump(filter_var('example.com', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_OPTIONAL)); var_dump(filter_var('example.com', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED)); var_dump(filter_var('/index.php', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_OPTIONAL|FILTER_FLAG_HOST_OPTIONAL)); var_dump(filter_var('/index.php', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED|FILTER_FLAG_HOST_REQUIRED));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "FILTER_FLAG_SCHEME_OPTIONAL" in /in/aHOqo:3 Stack trace: #0 {main} thrown in /in/aHOqo on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 3 bool(false) Deprecated: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in /in/aHOqo on line 4 bool(false) Warning: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 5 Warning: Use of undefined constant FILTER_FLAG_HOST_OPTIONAL - assumed 'FILTER_FLAG_HOST_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 5 bool(false) Deprecated: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in /in/aHOqo on line 6 bool(false)
Output for 7.2.0 - 7.2.33, 7.3.32 - 7.3.33
Warning: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 3 bool(false) bool(false) Warning: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 5 Warning: Use of undefined constant FILTER_FLAG_HOST_OPTIONAL - assumed 'FILTER_FLAG_HOST_OPTIONAL' (this will throw an Error in a future version of PHP) in /in/aHOqo on line 5 bool(false) bool(false)
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/aHOqo on line 3 bool(false) bool(false) Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/aHOqo on line 5 Notice: Use of undefined constant FILTER_FLAG_HOST_OPTIONAL - assumed 'FILTER_FLAG_HOST_OPTIONAL' in /in/aHOqo on line 5 bool(false) bool(false)
Output for 5.2.0
Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/aHOqo on line 3 string(11) "example.com" bool(false) Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/aHOqo on line 5 Notice: Use of undefined constant FILTER_FLAG_HOST_OPTIONAL - assumed 'FILTER_FLAG_HOST_OPTIONAL' in /in/aHOqo on line 5 string(10) "/index.php" bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/aHOqo on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/aHOqo on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/aHOqo on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/aHOqo on line 3

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