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<?php $input = array( 'aaa' => array( 'tag_name' => 'google', 'google2' ), 'bbb' => array( 'tag_name' => 'technology', 'technology2' ) ); echo implode(', ', array_map(function ($entry) { return $entry['tag_name']; }, $input));
Output for 5.3.0 - 7.1.0
google, technology
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/c0iPC on line 13
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, expecting ')' in /in/c0iPC on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/c0iPC on line 13
Process exited with code 255.