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<?php $values = array( 'one' => array( 'title' => 'Title One', 'uri' => 'http://example.com/one', ), 'two' => array( 'title' => 'Title Two', 'uri' => 'http://example.com/two', ), ); $a = function($values) { $return = array(); foreach($values as $value) $return[] = '<a href="' . $value['uri'] . '">' . $value['title'] . '</a>'; return $return; }; echo ($a instanceof Closure); $final_string = implode(' | ', (function($values) { $return = array(); foreach($values as $value) $return[] = '<a href="' . $value['uri'] . '">' . $value['title'] . '</a>'; return $return; })); echo $final_string;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1 Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, Closure given in /in/5nWnM:25 Stack trace: #0 /in/5nWnM(25): implode(' | ', Object(Closure)) #1 {main} thrown in /in/5nWnM on line 25
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
1 Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, Closure given in /in/5nWnM:32 Stack trace: #0 /in/5nWnM(32): implode(' | ', Object(Closure)) #1 {main} thrown in /in/5nWnM on line 32
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
1 Warning: implode(): Invalid arguments passed in /in/5nWnM on line 32
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/5nWnM on line 14
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/5nWnM on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5nWnM on line 14
Process exited with code 255.
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214.04 ms | 401 KiB | 330 Q