Online PHP editor | rfc for vd4DM

@ 2018-01-30T01:49:50Z

<?php

class UnitConverter {

    public $vulgar_to_float = ['½' => 0.5];

    public function replaceUnicode( $amount = 0 ){
        $half = $this->vulgar_to_float['½'];
        return ( is_numeric( $amount ) )? $amount : $half;
    }

    public function convertAmount($amount, $from, $to){

        if($from === 'pound' && $to === 'ounce'){
            return $amount * 16;
        } else if($from === 'cup' && $to === 'tablespoon'){
            return $this->replaceUnicode( $amount ) * 16;
        } else {
            throw new Exception('Unable to convert ' . $from . ' to ' . $to);
        }
    }
}


function convertIngredients( $arr = null){
    $unit_names = array_column($arr, 'unit_name');
    foreach($unit_names as $key => $unit){
        if( $unit === 'pound'){
            $arr[$key]['amount'] = (new UnitConverter())->convertAmount($arr[$key]['amount'], $unit, 'ounce');
            $arr[$key]['unit_name'] = 'ounce';
        } else if($unit === 'cup'){
            $arr[$key]['amount'] = (new UnitConverter())->convertAmount($arr[$key]['amount'], $unit, 'tablespoon');
            $arr[$key]['unit_name'] = 'tablespoon';
        } else {
          continue;
        }
    }

    return $arr;
}


function generateBreakfast(){
    $array = [
        0 => array( 'amount' => 1, 'unit_name' => 'cup', 'ingredient_name' => 'almond flour'  ),
        1 => array( 'amount' => '½', 'unit_name' => 'cup', 'ingredient_name' => 'erythritol' ),
        2 => array( 'amount' => 1, 'unit_name' => 'large', 'ingredient_name' => 'egg' )
    ];
    return convertIngredients($array);
}

echo '<pre>';
print_r(generateBreakfast());
echo '</pre>';

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [0] => Array ( [amount] => 16 [unit_name] => tablespoon [ingredient_name] => almond flour ) [1] => Array ( [amount] => 8 [unit_name] => tablespoon [ingredient_name] => erythritol ) [2] => Array ( [amount] => 1 [unit_name] => large [ingredient_name] => egg ) ) </pre>

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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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