function test_gp_string_similarity()
{
$string1 = 'Word';
$string2 = 'Word!';
$string3 = 'Word';
$similarity = gp_string_similarity($string1, $string2);
$similarity_2 = gp_string_similarity($string1, $string3);
$this->assertEquals($similarity, 0.775);
$this->assertEquals($similarity_2, 1);
}
function closest_original($input, $other_strings)
{
if (empty($other_strings)) {
return null;
}
$input_length = gp_strlen($input);
$closest_similarity = 0;
foreach ($other_strings as $compared_string) {
$compared_string_length = gp_strlen($compared_string);
$max_length_diff = apply_filters('gp_original_import_max_length_diff', 0.5);
if (abs(($input_length - $compared_string_length) / $input_length) > $max_length_diff) {
continue;
}
$similarity = gp_string_similarity($input, $compared_string);
if ($similarity > $closest_similarity) {
$closest = $compared_string;
$closest_similarity = $similarity;
}
}
if (!isset($closest)) {
return null;
}
$min_score = apply_filters('gp_original_import_min_similarity_diff', 0.8);
$close_enough = $closest_similarity > $min_score;
do_action('post_string_similiary_test', $input, $closest, $closest_similarity, $close_enough);
if ($close_enough) {
return $closest;
} else {
return null;
}
}
public function closest_original($input, $other_strings)
{
if (empty($other_strings)) {
return null;
}
$input_length = gp_strlen($input);
$closest_similarity = 0;
foreach ($other_strings as $compared_string) {
$compared_string_length = gp_strlen($compared_string);
/**
* Filter the maximum length difference allowed when comparing originals for a close match when importing.
*
* @since 1.0.0
*
* @param float $max_length_diff The times compared string length can differ from the input string.
*/
$max_length_diff = apply_filters('gp_original_import_max_length_diff', 0.5);
if (abs(($input_length - $compared_string_length) / $input_length) > $max_length_diff) {
continue;
}
$similarity = gp_string_similarity($input, $compared_string);
if ($similarity > $closest_similarity) {
$closest = $compared_string;
$closest_similarity = $similarity;
}
}
if (!isset($closest)) {
return null;
}
/**
* Filter the minimum allowed similarity to be considered as a close match.
*
* @since 1.0.0
*
* @param float $similarity Minimum allowed similarity.
*/
$min_score = apply_filters('gp_original_import_min_similarity_diff', 0.8);
$close_enough = $closest_similarity > $min_score;
/**
* Fires before determining string similarity.
*
* @since 1.0.0
*
* @param string $input The original string to match against.
* @param string $closest Closest matching string.
* @param float $closest_similarity The similarity between strings that was calculated.
* @param bool $close_enough Whether the closest was be determined as close enough match.
*/
do_action('gp_post_string_similiary_test', $input, $closest, $closest_similarity, $close_enough);
if ($close_enough) {
return $closest;
} else {
return null;
}
}
