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run code in 200+ php & hhvm versions
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<?php $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 , 'id' ); print_r ( $first_names );
Output for 5.5.24 - 7.2.0
Array ( [0] => 2135 [1] => 3245 [2] => 5342 [3] => 5623 )
Output for 5.0.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/51N63 on line 25
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_column() in /in/51N63 on line 25
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_column() in /in/51N63 on line 25
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_column() in /in/51N63 on line 25