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<?php class Placeholder{} function curry(callable $func, ... $curriedArgs) { return function(...$fulfillment) use ($func, $curriedArgs) { return $func(...array_merge(array_map(function($arg) use ($fulfillment) { if ($arg instanceof Placeholder) return array_shift($fulfillment); return $arg; }, $curriedArgs), $fulfillment)); }; }; $resultset = json_decode('[{ "id": 1, "gender": "Male", "name": "Matthew" }, { "id": 2, "gender": "Male", "name": "Willie" }, { "id": 3, "gender": "Female", "name": "Ann" }, { "id": 4, "gender": "Female", "name": "Margaret" }, { "id": 5, "gender": "Female", "name": "Marie" }]',TRUE); $filterGender = function($row,$gender){ return $row['gender']==$gender; }; $detectMen = curry($filterGender,(new Placeholder),'Male'); $detectWomen = curry($filterGender,(new Placeholder),'Female'); var_dump($detectMen(['gender'=>'Male'])); //works $getLadies = curry('array_filter',(new Placeholder),$detectWomen); var_dump($getLadies($resultset)); //does not work
Output for 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
bool(true) Fatal error: Uncaught TypeError: array_filter(): Argument #3 ($mode) must be of type int, array given in /in/0i5FV:5 Stack trace: #0 /in/0i5FV(5): array_filter(Array, Object(Closure), Array) #1 /in/0i5FV(46): {closure}(Array) #2 {main} thrown in /in/0i5FV on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30
bool(true) Fatal error: Uncaught TypeError: array_filter(): Argument #3 ($mode) must be of type int, array given in /in/0i5FV:9 Stack trace: #0 /in/0i5FV(9): array_filter(Array, Object(Closure), Array) #1 /in/0i5FV(46): {closure}(Array) #2 {main} thrown in /in/0i5FV on line 9
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
bool(true) Warning: array_filter() expects parameter 3 to be int, array given in /in/0i5FV on line 9 NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33
bool(true) Warning: array_filter() expects parameter 3 to be integer, array given in /in/0i5FV on line 9 NULL
Output for 5.6.7 - 5.6.28
bool(true) Warning: array_filter() expects parameter 3 to be long, array given in /in/0i5FV on line 9 NULL
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/0i5FV on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/0i5FV on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/0i5FV on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/0i5FV on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/0i5FV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0i5FV on line 3
Process exited with code 255.
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