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run code in 150+ php & hhvm versions
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<?php // Array representing a possible record set returned from a database $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $first_names = array_column($records, 'first_name'); print_r($first_names); ?>
Output for 5.5.0 - 7.1.0
Array ( [0] => John [1] => Sally [2] => Jane [3] => Peter )
Output for 5.2.3 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/7df07 on line 26
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function array_column() in <b>/in/7df07</b> on line <b>26</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: array_column() in <b>/in/7df07</b> on line <b>26</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: array_column() in <b>/in/7df07</b> on line <b>26</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: array_column() in <b>/in/7df07</b> on line <b>26</b><br />