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<?php $itinerary = array (array('portName'=>'Day At Sea'), array('portName'=>'Moscow')); $badPorts = array('At Sea', 'Day At Sea', 'Cruising The Mediterranean Sea'); $image = ''; $index = 0; $image .= implode(',', array_reduce($itinerary, function ($result, $item) use ($badPorts, &$index){ if(!in_array($item['portName'], $badPorts)) $result[$index] = $item['portName']; $index++; return $result; }, array())); var_dump($image); $image2 = ''; array_walk($itinerary, function($item, $index) use(&$image2, $badPorts){ if(!in_array($item['portName'], $badPorts)) $image2 += $index.":".$item['portName']; }); var_dump($image2);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(6) "Moscow" Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/mWm9s:16 Stack trace: #0 [internal function]: {closure}(Array, 1) #1 /in/mWm9s(15): array_walk(Array, Object(Closure)) #2 {main} thrown in /in/mWm9s on line 16
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
string(6) "Moscow" Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/mWm9s:16 Stack trace: #0 [internal function]: {closure}(Array, 1) #1 /in/mWm9s(17): array_walk(Array, Object(Closure)) #2 {main} thrown in /in/mWm9s on line 16
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
string(6) "Moscow" Warning: A non-numeric value encountered in /in/mWm9s on line 16 Notice: A non well formed numeric value encountered in /in/mWm9s on line 16 int(1)
Output for 7.3.32 - 7.3.33, 7.4.26
string(6) "Moscow" Warning: A non-numeric value encountered in /in/mWm9s on line 16 int(1)
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
string(6) "Moscow" int(1)
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/mWm9s on line 6
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/mWm9s on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mWm9s on line 6
Process exited with code 255.

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