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<?php $test_array = [(object) ['title' => 1], (object) ['title' => 2], (object) ['title' => 3]]; $result = implode(',', array_map(function($item) { return $item->title; }, $test_array)); var_dump($result); // string(5) "1,2,3"
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(5) "1,2,3"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/XH7K7 on line 3
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 '[' in /in/XH7K7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XH7K7 on line 3
Process exited with code 255.