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   源码介绍

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GUMP is a standalone PHP data validation and filtering class that makes validating any data easy and painless without the reliance on a framework

$is_valid = GUMP::is_valid(array_merge($_POST, $_FILES), [
    'username'       => 'required|alpha_numeric',
    'password'       => 'required|between_len,4;100',
    'avatar'         => 'required_file|extension,png;jpg',
    'tags'           => 'required|alpha_numeric', // ['value1', 'value3']
    'person.name'    => 'required',               // ['person' => ['name' => 'value']]
    'persons.*.age'  => 'required'                // ['persons' => [
                                                  //      ['name' => 'value1', 'age' => 20],
                                                  //      ['name' => 'value2']
                                                  // ]]
]);

// 1st array is rules definition, 2nd is field-rule specific error messages (optional)
$is_valid = GUMP::is_valid(array_merge($_POST, $_FILES), [
    'username' => ['required', 'alpha_numeric'],
    'password' => ['required', 'between_len' => [6, 100]],
    'avatar'   => ['required_file', 'extension' => ['png', 'jpg']]
], [
    'username' => ['required' => 'Fill the Username field please.'],
    'password' => ['between_len' => '{field} must be between {param[0]} and {param[1]} characters.'],
    'avatar'   => ['extension' => 'Valid extensions for avatar are: {param}'] // "png, jpg"
]);

if ($is_valid === true) {
    // continue
} else {
    var_dump($is_valid); // array of error messages
}