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<?php |
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namespace League\Plates\Util; |
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use League\Plates\Exception\ComposeException; |
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function id($multi = false) { |
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if ($multi) { |
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return function(...$args) { |
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return $args; |
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}; |
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} else { |
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return function($arg) { |
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return $arg; |
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}; |
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} |
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} |
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/** stack a set of functions into each other and returns the stacked func */ |
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function stack(array $funcs) { |
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return array_reduce(array_reverse($funcs), function($next, $func) { |
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return function(...$args) use ($next, $func) { |
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$args[] = $next; |
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return $func(...$args); |
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}; |
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}, function() { |
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throw new ComposeException('No handler was able to return a result.'); |
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}); |
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} |
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function stackGroup(array $funcs) { |
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return function(...$args) use ($funcs) { |
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$next = end($args); |
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$args = array_slice($args, 0, -1); |
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$funcs[] = $next; |
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$next = stack($funcs); |
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return $next(...$args); |
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}; |
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} |
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function compose(array $funcs, $multi = false) { |
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if (!$multi) { |
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return function($arg) use ($funcs) { |
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return array_reduce($funcs, function($acc, $func) { |
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return $func($acc); |
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}, $arg); |
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}; |
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} |
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return function(...$args) use ($funcs) { |
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return array_reduce($funcs, function($acc, $func) { |
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return $func(...$acc); |
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}, $args); |
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}; |
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} |
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function joinPath(array $parts, $sep = DIRECTORY_SEPARTOR) { |
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return array_reduce($parts, function($acc, $part) use ($sep) { |
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if ($acc === null) { |
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return rtrim($part, $sep); |
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} |
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return $acc . $sep . ltrim($part, $sep); |
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}, null); |
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} |
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thephpleague /
plates
