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1
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<?php |
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2
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3
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// the following functions return a [value, errmsg] pair. |
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4
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// The errmsg is null if no error |
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5
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6
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function get_num($field) { |
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7
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$x = get_str($field->name); |
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8
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if ($field->type == 'integer') { |
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9
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if (filter_var($x, FILTER_VALIDATE_INT) === false) { |
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10
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return [null, 'not an integer']; |
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11
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} |
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12
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$x = intval($x); |
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13
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} else { |
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14
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if (filter_var($x, FILTER_VALIDATE_FLOAT) === false) { |
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15
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return [null, 'not a float']; |
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16
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} |
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17
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$x = floatval($x); |
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18
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} |
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19
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if (isset($field->min_value)) { |
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20
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if ($x < $field->min_value) { |
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21
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return [null, 'value is less than min']; |
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22
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} |
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23
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} |
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24
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if (isset($field->max_value)) { |
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25
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if ($x > $field->max_value) { |
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26
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return [null, 'value is greater than max']; |
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27
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} |
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28
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} |
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29
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return [$x, null]; |
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30
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} |
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31
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32
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function get_multi($field) { |
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33
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$x = get_array($field->name); |
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34
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$n = count($x); |
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35
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if (isset($field->min_items)) { |
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36
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if ($n < $field->min_items) { |
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37
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return [null, 'too few items selected']; |
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38
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} |
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39
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} |
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40
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if (isset($field->max_items)) { |
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41
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if ($n > $field->max_items) { |
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42
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return [null, 'too many items selected']; |
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43
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} |
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44
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} |
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45
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return [$x, null]; |
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46
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} |
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47
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48
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// returns either |
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49
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// - an object containing the field values, or |
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50
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// - a list of [title, errmsg] pairs |
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51
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// |
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52
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function get_inputs($form_desc) { |
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53
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$vals = new StdClass; |
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54
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$errs = []; |
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55
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foreach ($form_desc->fields as $field) { |
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56
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switch ($field->type) { |
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57
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case 'text': |
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58
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case 'select': |
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59
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case 'file_select': |
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60
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$err = null; |
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61
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$val = get_str($field->name); |
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62
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break; |
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63
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case 'integer': |
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64
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case 'float': |
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65
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[$val, $err] = get_num($field); |
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66
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break; |
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67
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case 'select_multi': |
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68
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case 'file_select_multi': |
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69
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[$val, $err] = get_multi($field); |
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70
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break; |
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71
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} |
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72
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if ($err) { |
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73
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$errs[] = [$field->title, $err]; |
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74
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} else { |
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75
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$x = $field->name; |
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76
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$vals->$x = $val; |
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77
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} |
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78
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} |
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79
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return [$vals, $errs]; |
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80
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} |
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81
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82
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?> |
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83
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BOINC /
boinc
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