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<?php $a = [ [ 'foo' => 777.5 ], [ 'foo' => 777 ], [ 'foo' => '777' ], ]; var_dump(array_column($a, 'foo', 'foo'));
Output for 8.1.0 - 8.1.9
Deprecated: Implicit conversion from float 777.5 to int loses precision in /in/WhUmh on line 9 array(1) { [777]=> string(3) "777" }
Output for 7.1.21 - 7.1.33, 7.2.9 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22
array(1) { [777]=> string(3) "777" }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.20, 7.2.0 - 7.2.8
array(2) { [0]=> float(777.5) [777]=> string(3) "777" }

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