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run code in 150+ php & hhvm versions
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<?php $itinerary = array (array('portName'=>'Day At Sea'), array('portName'=>'Moscow'), array('portName'=>'Jupiter')); $badPorts = array('At Sea', 'Day At Sea', 'Cruising The Mediterranean Sea'); $image = ''; array_walk($itinerary, function($item, $index) use(&$image, $badPorts){ if(!in_array($item['portName'], $badPorts)) $image .= $index.":".$item['portName'].","; }); var_dump($image); $image2 = ''; foreach($itinerary as $key => $value){ if(!in_array($item['portName'], $badPorts)) $image2 .= $index.":".$item['portName'].","; } var_dump($image2);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(19) "1:Moscow,2:Jupiter," Notice: Undefined variable: item in /in/EPCe4 on line 13 Notice: Undefined variable: index in /in/EPCe4 on line 13 Notice: Undefined variable: item in /in/EPCe4 on line 13 Notice: Undefined variable: item in /in/EPCe4 on line 13 Notice: Undefined variable: index in /in/EPCe4 on line 13 Notice: Undefined variable: item in /in/EPCe4 on line 13 Notice: Undefined variable: item in /in/EPCe4 on line 13 Notice: Undefined variable: index in /in/EPCe4 on line 13 Notice: Undefined variable: item in /in/EPCe4 on line 13 string(6) ":,:,:,"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/EPCe4 on line 6
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/EPCe4 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EPCe4 on line 6
Process exited with code 255.