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<?php $input = array( array( '1' => 'google' ), array( '2' => 'technology' ) ); echo implode(', ', array_map(function ($entry) { return $entry['tag_name']; }, $input));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key "tag_name" in /in/kRcAi on line 12 Warning: Undefined array key "tag_name" in /in/kRcAi on line 12 ,
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: tag_name in /in/kRcAi on line 12 Notice: Undefined index: tag_name in /in/kRcAi on line 12 ,
Output for 7.3.32 - 7.3.33
,

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