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docs/syntax.md
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docs/syntax.md
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Syntax [RU]
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===========
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[Smarty](http://www.smarty.net/) like syntax
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Cytro have [Smarty](http://www.smarty.net/) like syntax.
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### Output variables
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## Variable
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### Get/print value
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```smarty
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{$foo}
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{$bar}
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{$foo[4]}
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{$foo.4}
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{$foo.bar}
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{$foo.'bar'}
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{$foo."bar"}
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{$foo[bar]}
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{$foo['bar']}
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{$foo["bar"]}
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{$foo.$bar}
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@ -21,7 +23,7 @@ Syntax [RU]
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{$foo->bar()}
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```
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complex variables
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### Multidimensional value support
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```smarty
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{$foo.bar.baz}
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{$foo[ $bar.baz ]}
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```
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Operations
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### Math operations
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```smarty
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{$x+$y}
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@ -40,85 +42,97 @@ Operations
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{$foo[$x+3]*$x+3*$y % 3}
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```
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[Список всех операторов](./operators.md)
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See all [operators](./operators.md)
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Define variable
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### Object support
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```smarty
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{$object->item}
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{$object->item|upper} {* apply modifier *}
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{$object->item->method($y, 'named')}
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{$object->item->method($y->name, 'named')|upper} {* apply modifier to method result*}
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```
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You may disable call methods in template, see [security options](./settings.md)
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### Set variable
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```smarty
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{var $foo = "bar"}
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{var $foo = "bar"|upper} {* apply modifier *}
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{var $foo = 5}
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```
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```smarty
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{var $foo = $x + $y}
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{var $foo = $x.y[z] + $y}
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{var $foo = strlen($a)}
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{var $foo = strlen($a)} {* work with functions *}
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{var $foo = myfunct( ($x+$y)*3 )}
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{var $foo.bar.baz = 1}
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{var $foo.bar.baz = 1} {* multidimensional value support *}
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{var $foo = $object->item->method($y, 'named')} {* work with object fine *}
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```
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Using block tag
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```smarty
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{var $foo}
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content {$text|truncate:30}
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{/var}
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{var $foo|truncate:50} {* apply modifier to content *}
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content {$text}
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{/var}
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```
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Set array
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```smarty
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{var $foo = [1, 2, 3]} numeric array
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{var $foo = ['y' => 'yellow', 'b' => 'blue']} associative array
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{var $foo = [1, [9, 8], 3]} can be nested
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{var $foo = [1, $two, $three * 3 + 9]}
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{var $foo = [$a, $d.c, $a + $f]}
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{var $foo = ['y' => 'yellow', $color|upper => $colors[ $color ]}
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{var $foo = [1, [$parent, $a->method()], 3]}
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```
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See also [{var}](./tags/var.md) documentation.
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Define arrays
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```smarty
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{var $foo = [1,2,3]}
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{var $foo = ['y'=>'yellow','b'=>'blue']} can be associative
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{var $foo = [1,[9,8],3]} can be nested
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```
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## Scalar values
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more complex example
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### Strings
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```smarty
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{var $foo = [$a, $d.c, $a + $f]}
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{var $foo = ['y'=>'yellow', $color=>$colors[ $color ]}
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{var $foo = [1,[$parent ,$a + $e],3]}
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```
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### Objects
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```smarty
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{$object->method1($x)->method2($y)}
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{var $foo=$object->item->method($y, 'named')}
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```
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See also [security options](./settings.md)
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### Scalar values
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Строки в Cytro обрабатываются идентично правилам подстановки переменных в строки в PHP, т.е. в двойных кавычках переменная заменяется на её значение, в одинарных замены не происходит.
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When the string in double quotation marks, all the expressions in the string will be run.
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The result of the expression will be inserted into the string instead it.
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```smarty
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{var $foo="Username"}
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{var $user.name="Username"}
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{"Hi, $foo"} выведет "Hi, Username"
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{"Hi, {$foo}"} выведет "Hi, Username"
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{"Hi, {$user.name}"} выведет "Hi, Username"
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{var $message = "Hi, {$user.name}"}
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{'Hi, $foo'} выведет 'Hi, $foo'
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{'Hi, {$foo}'} выведет 'Hi, {$foo}'
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```
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Переменные в строках так же поддерживают [модификаторы](#modifiers)
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```smarty
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{"Hi, {$user.name|up}"} outputs Hi, USERNAME
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```
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Поддерживается вызов методов
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```smarty
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{"Hi, $foo"} outputs "Hi, Username"
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{"Hi, {$foo}"} outputs "Hi, Username"
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{"Hi, {$user.name}"} outputs "Hi, Username"
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{"Hi, {$user.name|up}"} outputs "Hi, USERNAME"
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{"Hi, {$user->getName(true)}"} outputs Hi, Username
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{var $message = "Hi, {$user.name}"}
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```
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Числовые значение обрабатывается как есть
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but if use single quote any template expressions will be on display as it is
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```smarty
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{'Hi, $foo'} outputs 'Hi, $foo'
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{'Hi, {$foo}'} outputs 'Hi, {$foo}'
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{'Hi, {$user.name}'} outputs 'Hi, {$user.name}'
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{'Hi, {$user.name|up}'} outputs "Hi, {$user.name|up}"
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```
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## Numbers
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```smarty
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{2|pow:10}
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{var $magick = 5381|calc}
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{0.2|round}
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{1e-6|round}
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```
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### Modificatiors
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### Modifiers
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* Модификаторы позволяют изменить значение переменной перед выводом или использованием в выражении
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* Модификаторы записываются после переменной через символ вертикальной черты "|"
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{var $foo="Ivan"|upper} переменная $foo будет содержать "USER"
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```
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[Список модификаторов](./main.md#modifiers)
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[List of modifiers](./main.md#modifiers)
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### Tags
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