@@ 43-50 (lines=8) @@ | ||
40 | * |
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41 | * @return string |
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42 | */ |
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43 | protected function left() |
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44 | { |
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45 | if ($this->margin > 255 || $this->margin < 0) { |
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46 | throw new \OutOfRangeException('The left margin must be between 0 and 255.'); |
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47 | } |
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48 | ||
49 | return chr(27) . chr(108) . chr($this->margin); |
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50 | } |
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51 | ||
52 | /** |
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53 | * Set the right margin |
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@@ 57-64 (lines=8) @@ | ||
54 | * |
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55 | * @return string |
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56 | */ |
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57 | protected function right() |
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58 | { |
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59 | if ($this->margin < 1 || $this->margin > 255) { |
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60 | throw new \OutOfRangeException('The right margin must be between 1 and 255.'); |
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61 | } |
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62 | ||
63 | return chr(27) . chr(81) . chr($this->margin); |
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64 | } |
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65 | } |
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66 |