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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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Undefined constant "FILTER_FLAG_SCHEME_OPTIONAL" in /in/5YHJH:3 Stack trace: #0 {main} thrown in /in/5YHJH on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "FILTER_FLAG_SCHEME_OPTIONAL" in /in/5YHJH:3 Stack trace: #0 {main} thrown in /in/5YHJH 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/5YHJH on line 3 bool(false) Deprecated: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in /in/5YHJH 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/5YHJH 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/5YHJH on line 5 bool(false) Deprecated: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in /in/5YHJH 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/5YHJH 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/5YHJH 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/5YHJH on line 5 bool(false) bool(false)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/5YHJH on line 3 bool(false) bool(false) Notice: Use of undefined constant FILTER_FLAG_SCHEME_OPTIONAL - assumed 'FILTER_FLAG_SCHEME_OPTIONAL' in /in/5YHJH on line 5 Notice: Use of undefined constant FILTER_FLAG_HOST_OPTIONAL - assumed 'FILTER_FLAG_HOST_OPTIONAL' in /in/5YHJH on line 5 bool(false) bool(false)

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