1Mojolicious::Validator(U3s)er Contributed Perl DocumentatMioojnolicious::Validator(3)
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6 Mojolicious::Validator - Validate values
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9 use Mojolicious::Validator;
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11 my $validator = Mojolicious::Validator->new;
12 my $v = $validator->validation;
13 $v->input({foo => 'bar'});
14 $v->required('foo')->like(qr/ar$/);
15 say $v->param('foo');
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18 Mojolicious::Validator validates values for Mojolicious.
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21 These validation checks are available by default.
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23 equal_to
24 $v = $v->equal_to('foo');
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26 String value needs to be equal to the value of another field.
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28 in
29 $v = $v->in('foo', 'bar', 'baz');
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31 String value needs to match one of the values in the list.
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33 like
34 $v = $v->like(qr/^[A-Z]/);
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36 String value needs to match the regular expression.
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38 num
39 $v = $v->num;
40 $v = $v->num(2, 5);
41 $v = $v->num(2, undef);
42 $v = $v->num(undef, 5);
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44 String value needs to be a non-fractional number and if provided in the
45 given range.
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47 size
48 $v = $v->size(2, 5);
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50 String value length or size of Mojo::Upload object in bytes needs to be
51 between these two values.
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53 upload
54 $v = $v->upload;
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56 Value needs to be a Mojo::Upload object, representing a file upload.
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59 These filters are available by default.
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61 trim
62 $v = $v->optional('foo', 'trim');
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64 Trim whitespace characters from both ends of string value with "trim"
65 in Mojo::Util.
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68 Mojolicious::Validator implements the following attributes.
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70 checks
71 my $checks = $validator->checks;
72 $validator = $validator->checks({size => sub {...}});
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74 Registered validation checks, by default only "equal_to", "in", "like",
75 "num", "size" and "upload" are already defined.
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78 Mojolicious::Validator inherits all methods from Mojo::Base and
79 implements the following new ones.
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81 add_check
82 $validator = $validator->add_check(size => sub {...});
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84 Register a validation check.
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86 $validator->add_check(foo => sub {
87 my ($v, $name, $value, @args) = @_;
88 ...
89 return undef;
90 });
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92 add_filter
93 $validator = $validator->add_filter(trim => sub {...});
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95 Register a new filter.
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97 $validator->add_filter(foo => sub {
98 my ($v, $name, $value) = @_;
99 ...
100 return $value;
101 });
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103 new
104 my $validator = Mojolicious::Validator->new;
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106 Construct a new Mojolicious::Validator object.
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108 validation
109 my $v = $validator->validation;
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111 Build Mojolicious::Validator::Validation object to perform validations.
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113 my $v = $validator->validation;
114 $v->input({foo => 'bar'});
115 $v->required('foo')->size(1, 5);
116 say $v->param('foo');
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119 Mojolicious, Mojolicious::Guides, <https://mojolicious.org>.
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123perl v5.28.0 2018-10-21 Mojolicious::Validator(3)