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<?php
namespace SimpleValidator\Validators;
class Integer extends Base
{
public function execute(array $data)
{
if ($this->isFieldNotEmpty($data)) {
if (is_string($data[$this->field])) {
if ($data[$this->field][0] === '-') {
return ctype_digit(substr($data[$this->field], 1));
}
return ctype_digit((string) $data[$this->field]);
}
else {
return is_int($data[$this->field]);
}
}
return true;
}
}
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