symbols[$method] ?? false; } /** * Magic Constructor */ public function __construct() { $this->symbols = array_merge(Config::get('Expressions', 'symbols'), $this->symbols); } /** * Keeps Symbols * * @var array */ public $symbols = [ 'copyright' => '©', //© 'register' => '®', //® 'euro' => '€', //€ 'dolar' => '$', //$ 'usd' => '$', //$ 'rightDoubleArrow' => '»', //» 'leftDoubleArrow' => '«', //« 'invertQuestion' => '¿', //¿ 'tradeMark' => '™', //™ 'turkishLira' => '₺', //t 'cent' => '¢', //¢ 'yen' => '¥', //¥ 'pound' => '£', //£ 'currency' => '¤', //¤ 'division' => '÷', //÷ 'minus' => '±', //± 'micro' => 'µ', //µ 'degree' => '°', //° 'section' => '§', //§ 'bigSlash' => 'Ø', //Ø 'smallSlash' => 'ø', //ø 'permil' => '‰', //‰ 'tilde' => '~', //~ 'spade' => '♠', //♠ 'club' => '♣', //♣ 'heart' => '♥', //♥ 'diam' => '♦', //♦ 'at' => '@', //@ 'function' => 'ƒ', //ƒ 'product' => '∏', //∏ 'equivalent ' => '≡', //≡ 'partial' => '∂', //∂ 'integral' => '∫', //∫ 'infinity' => '∞', //∞ 'squareRoot' => '√', //√ 'approximately' => '≈', //≈ 'notEquals' => '≠', //≠ 'triangle' => '∴', //∴ 'greaterEquals' => '≥', //≥ 'lessEquals' => '≤', //≤ 'paragraph' => '¶', //¶ 'bigDote' => '•', //• 'midDote' => '·', //· 'dagger' => '†', //† 'doubleDagger' => '‡', //‡ 'diamond' => '◊', //◊ 'upArrow' => '↑', //↑ 'downArrow' => '↓', //↓ 'leftArrow' => '←', //← 'rightArrow' => '→', //→ 'doubleHeadedArrow' => '↔', //↔ 'notSymbol' => '¬' //¬ ]; }