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run code in 150+ php & hhvm versions
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<?php $a = array( 'a' => array( 'name' => 'a1', 'second_name' => 'a2' ), 'b' => array( 'name' => 'b1', 'second_name' => 'b2' ), 'c' => array( 'name' => 'c1', 'second_name' => 'c2' ) ); $field = 'name'; $search = 'b2'; print_r( array_filter( $a, function($value, $field, $search){ print_r($value); return $value[$field] == $search; } ) );
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 3 expected in /in/BCoVZ:24 Stack trace: #0 [internal function]: {closure}(Array) #1 /in/BCoVZ(27): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/BCoVZ on line 24
Process exited with code 255.
Output for 5.3.0 - 7.0.14
Warning: Missing argument 2 for {closure}() in /in/BCoVZ on line 24 Warning: Missing argument 3 for {closure}() in /in/BCoVZ on line 24 Array ( [name] => a1 [second_name] => a2 ) Notice: Undefined variable: field in /in/BCoVZ on line 26 Notice: Undefined index: in /in/BCoVZ on line 26 Notice: Undefined variable: search in /in/BCoVZ on line 26 Warning: Missing argument 2 for {closure}() in /in/BCoVZ on line 24 Warning: Missing argument 3 for {closure}() in /in/BCoVZ on line 24 Array ( [name] => b1 [second_name] => b2 ) Notice: Undefined variable: field in /in/BCoVZ on line 26 Notice: Undefined index: in /in/BCoVZ on line 26 Notice: Undefined variable: search in /in/BCoVZ on line 26 Warning: Missing argument 2 for {closure}() in /in/BCoVZ on line 24 Warning: Missing argument 3 for {closure}() in /in/BCoVZ on line 24 Array ( [name] => c1 [second_name] => c2 ) Notice: Undefined variable: field in /in/BCoVZ on line 26 Notice: Undefined index: in /in/BCoVZ on line 26 Notice: Undefined variable: search in /in/BCoVZ on line 26 Array ( [a] => Array ( [name] => a1 [second_name] => a2 ) [b] => Array ( [name] => b1 [second_name] => b2 ) [c] => Array ( [name] => c1 [second_name] => c2 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/BCoVZ on line 24
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/BCoVZ on line 24
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BCoVZ on line 24
Process exited with code 255.