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1 | <?php |
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2 | /* |
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3 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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4 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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5 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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6 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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7 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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8 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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9 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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10 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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11 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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12 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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13 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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14 | * |
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15 | * This software consists of voluntary contributions made by many individuals |
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16 | * and is licensed under the MIT license. For more information, see |
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17 | * <http://www.doctrine-project.org>. |
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18 | */ |
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19 | |||
20 | namespace Doctrine\ORM\Query\Expr; |
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21 | |||
22 | /** |
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23 | * Expression class for building DQL Order By parts. |
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24 | * |
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25 | * @link www.doctrine-project.org |
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26 | * @since 2.0 |
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27 | * @author Guilherme Blanco <[email protected]> |
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28 | * @author Jonathan Wage <[email protected]> |
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29 | * @author Roman Borschel <[email protected]> |
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30 | */ |
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31 | class OrderBy |
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32 | { |
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33 | /** |
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34 | * @var string |
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35 | */ |
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36 | protected $preSeparator = ''; |
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37 | |||
38 | /** |
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39 | * @var string |
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40 | */ |
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41 | protected $separator = ', '; |
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42 | |||
43 | /** |
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44 | * @var string |
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45 | */ |
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46 | protected $postSeparator = ''; |
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47 | |||
48 | /** |
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49 | * @var array |
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50 | */ |
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51 | protected $allowedClasses = []; |
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52 | |||
53 | /** |
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54 | * @var array |
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55 | */ |
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56 | protected $parts = []; |
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57 | |||
58 | /** |
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59 | * @param string|null $sort |
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60 | * @param string|null $order |
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61 | */ |
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62 | 16 | public function __construct($sort = null, $order = null) |
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63 | { |
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64 | 16 | if ($sort) { |
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0 ignored issues
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65 | 16 | $this->add($sort, $order); |
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66 | } |
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67 | 16 | } |
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68 | |||
69 | /** |
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70 | * @param string $sort |
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71 | * @param string|null $order |
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72 | * |
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73 | * @return void |
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74 | */ |
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75 | 16 | public function add($sort, $order = null) |
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76 | { |
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77 | 16 | $order = ! $order ? 'ASC' : $order; |
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78 | 16 | $this->parts[] = $sort . ' '. $order; |
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79 | 16 | } |
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80 | |||
81 | /** |
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82 | * @return integer |
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83 | */ |
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84 | 1 | public function count() |
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85 | { |
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86 | 1 | return count($this->parts); |
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87 | } |
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88 | |||
89 | /** |
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90 | * @return array |
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91 | */ |
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92 | 1 | public function getParts() |
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93 | { |
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94 | 1 | return $this->parts; |
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95 | } |
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96 | |||
97 | /** |
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98 | * @return string |
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99 | */ |
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100 | 12 | public function __toString() |
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101 | { |
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102 | 12 | return $this->preSeparator . implode($this->separator, $this->parts) . $this->postSeparator; |
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103 | } |
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104 | } |
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105 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: