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<?php $records = array(array("a"=>1),array("a"=>2),array("a"=>3)); var_dump($twodimarr); $s1 = array_column($records, 'a'); print_r($first_names);
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 variable $twodimarr in /in/PTEOo on line 4 NULL Warning: Undefined variable $first_names in /in/PTEOo on line 6
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Notice: Undefined variable: first_names in /in/PTEOo on line 6
Output for 7.3.32 - 7.3.33
NULL
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Fatal error: Call to undefined function array_column() in /in/PTEOo on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Fatal error: Call to undefined function array_column() in /in/PTEOo on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Fatal error: Call to undefined function: array_column() in /in/PTEOo on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Fatal error: Call to undefined function: array_column() in /in/PTEOo on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: twodimarr in /in/PTEOo on line 4 NULL Fatal error: Call to undefined function: array_column() in /in/PTEOo on line 5

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