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run code in 150+ php & hhvm versions
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<?php function array_column( array $input, $columnKey, $indexKey=null ) { $arr = array(); if ( $indexKey !== null ) foreach ( $input as $val ) $arr[ $val[$indexKey] ] = $val[$columnKey]; else foreach ( $input as $val ) $arr[] = $val[$columnKey]; return $arr; } $a = array( array( 'id' => 1 , 'name' => 'foo' , 'date' => date('m-d-Y') ) , array( 'id' => 2 , 'name' => 'bar' , 'date' => date('m-d-Y') ) , array( 'id' => 3 , 'name' => 'george' , 'date' => date('m-d-Y') ) , array( 'id' => 4 , 'name' => 'burdell' , 'date' => date('m-d-Y') ) ); if(function_exists('array_column')) { echo('array_column '); $b = array_column($a, 'name'); }else { echo('getCols '); $b = getCols($a, 'name'); } var_dump($b);
Output for 5.1.0 - 5.4.45
array_column array(4) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(6) "george" [3]=> string(7) "burdell" }
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/W2oeq on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/W2oeq on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/W2oeq on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/W2oeq on line 4
Process exited with code 255.