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<?php $categories = array('Movie'); $reviews = array( array('category' => 'Movie'), array('category' => 'Movie'), array('category' => 'Movie'), array('category' => 'Movie'), array('category' => 'Game') ); print_r($reviews); $filtered = array_filter($reviews, function($review) { return in_array($review['category'], $categories); }); print_r($filtered);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [category] => Movie ) [1] => Array ( [category] => Movie ) [2] => Array ( [category] => Movie ) [3] => Array ( [category] => Movie ) [4] => Array ( [category] => Game ) ) Warning: Undefined variable $categories in /in/WDnCP on line 16 Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /in/WDnCP:16 Stack trace: #0 /in/WDnCP(16): in_array('Movie', NULL) #1 [internal function]: {closure}(Array) #2 /in/WDnCP(15): array_filter(Array, Object(Closure)) #3 {main} thrown in /in/WDnCP on line 16
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Array ( [0] => Array ( [category] => Movie ) [1] => Array ( [category] => Movie ) [2] => Array ( [category] => Movie ) [3] => Array ( [category] => Movie ) [4] => Array ( [category] => Game ) ) Warning: Undefined variable $categories in /in/WDnCP on line 16 Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /in/WDnCP:16 Stack trace: #0 /in/WDnCP(16): in_array('Movie', NULL) #1 [internal function]: {closure}(Array) #2 /in/WDnCP(17): array_filter(Array, Object(Closure)) #3 {main} thrown in /in/WDnCP on line 16
Process exited with code 255.
Output for 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 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Array ( [0] => Array ( [category] => Movie ) [1] => Array ( [category] => Movie ) [2] => Array ( [category] => Movie ) [3] => Array ( [category] => Movie ) [4] => Array ( [category] => Game ) ) Notice: Undefined variable: categories in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Notice: Undefined variable: categories in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Notice: Undefined variable: categories in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Notice: Undefined variable: categories in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Notice: Undefined variable: categories in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Array ( )
Output for 7.3.32 - 7.3.33
Array ( [0] => Array ( [category] => Movie ) [1] => Array ( [category] => Movie ) [2] => Array ( [category] => Movie ) [3] => Array ( [category] => Movie ) [4] => Array ( [category] => Game ) ) Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Warning: in_array() expects parameter 2 to be array, null given in /in/WDnCP on line 16 Array ( )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/WDnCP on line 15
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/WDnCP on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WDnCP on line 15
Process exited with code 255.
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