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@ 2014-11-09T04:18:02Z

<?php

$columns = array(
    0 => 'ISO',
    1 => 'Country',
    2 => 'Country Code',
    3 => 'Type of number',
    4 => 'Voice Enabled',
    5 => 'SMS Enabled',
    6 => 'MMS Enabled',
    7 => 'Domestic Voice Only',
    8 => 'Domestic SMS only',
    9 => 'Price /num/month',
    10 => 'Inbound Voice price/min',
    11 =>  'Inbound SMS price/msg ',
    12 =>  'Inbound MMS price/msg ',
    13 => 'Beta Status',
    14 => 'Address Required',
);

    
    $cols = array_filter($columns, '_filter_column_names');
    

    function _filter_column_names($column_name){
        $column_name = str_replace(' /', '_', $column_name);
        $column_name = strtolower(str_replace(array(' ', '/'), '_', trim($column_name)));
        echo $column_name.', ';
        return $column_name;
    }




	    print_r($cols);

Output for git.master, git.master_jit, rfc.property-hooks: iso, country, country_code, type_of_number, voice_enabled, sms_enabled, mms_enabled, domestic_voice_only, domestic_sms_only, price_num_month, inbound_voice_price_min, inbound_sms_price_msg, inbound_mms_price_msg, beta_status, address_required, Array ( [0] => ISO [1] => Country [2] => Country Code [3] => Type of number [4] => Voice Enabled [5] => SMS Enabled [6] => MMS Enabled [7] => Domestic Voice Only [8] => Domestic SMS only [9] => Price /num/month [10] => Inbound Voice price/min [11] => Inbound SMS price/msg [12] => Inbound MMS price/msg [13] => Beta Status [14] => Address Required )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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