Polyfill for the PHP 5.4 array_column() function (untested)

array_column.php

<?php

//Signature: array array_column ( array $input , mixed $column_key [, mixed $index_key ] )
if( !function_exists( 'array_column' ) ):
    
    function array_column( array $input, $column_key, $index_key = null ) {
    
        $result = array();
        foreach( $input as $k => $v )
            $result[ $index_key ? $v[ $index_key ] : $k ] = $v[ $column_key ];
        
        return $result;
    }
endif;

Why not to use same brackets syntax , for if and for.

@fedir: It's some kind of templating style if you put it as that, I just want to keep curly brackets out of the global scope just as in templates.
It has no deeper meaning, it was more an emotional thing, do it as you like of course

Also, sorry for the late answer hehe :)

Use https://github.com/ramsey/array_column for proper replacement