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<?php |
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namespace mindplay\kissform\Fields; |
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use mindplay\kissform\Field; |
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use mindplay\kissform\InputModel; |
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use mindplay\kissform\InputRenderer; |
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use mindplay\kissform\Validators\CheckLength; |
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use mindplay\kissform\Validators\CheckMaxLength; |
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use mindplay\kissform\Validators\CheckMinLength; |
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use mindplay\kissform\Validators\CheckPattern; |
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/** |
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* This class provides information about a text field, e.g. a plain |
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* input type=text element. |
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*/ |
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class TextField extends Field |
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{ |
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/** |
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* @var int|null |
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*/ |
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public $min_length; |
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/** |
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* @var int|null |
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*/ |
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public $max_length; |
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/** |
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* @var string|null |
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*/ |
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protected $pattern; |
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/** |
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* @var string|null |
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*/ |
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protected $pattern_error; |
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/** |
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* @param string $pattern regular expression pattern (optional; no delimiters, modifiers or anchors) |
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* @param string $error error message to apply on pattern mismatch |
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*/ |
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public function setPattern($pattern, $error) |
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{ |
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$this->pattern = $pattern; |
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$this->pattern_error = $error; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function renderInput(InputRenderer $renderer, InputModel $model, array $attr) |
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{ |
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$defaults = []; |
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if ($this->max_length) { |
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$defaults['maxlength'] = $this->max_length; |
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} |
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if ($this->pattern) { |
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$defaults['pattern'] = $this->pattern; |
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$defaults['data-pattern-error'] = $this->pattern_error; |
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} |
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return $renderer->inputFor($this, 'text', $attr + $defaults); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function createValidators() |
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{ |
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$validators = parent::createValidators(); |
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if ($this->min_length !== null) { |
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if ($this->max_length !== null) { |
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$validators[] = new CheckLength($this->min_length, $this->max_length); |
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} else { |
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$validators[] = new CheckMinLength($this->min_length); |
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} |
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} else if ($this->max_length !== null) { |
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$validators[] = new CheckMaxLength($this->max_length); |
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} |
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if ($this->pattern) { |
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$validators[] = new CheckPattern("/^{$this->pattern}$/", $this->pattern_error); |
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} |
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return $validators; |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
integer
values, zero is a special case, in particular the following results might be unexpected: