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<?php $input = array( array( 'tag_name' => 'google' ), array( 'tag_name' => 'technology' ) ); $ids = array_column($input, 'tag_name'); $output = implode(',', $ids); echo $output;
based on L7U1k
Output for 5.5.24 - 7.2.0
google,technology
Output for 5.0.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/Dld03 on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_column() in /in/Dld03 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_column() in /in/Dld03 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_column() in /in/Dld03 on line 11