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57 lines
1.9 KiB
57 lines
1.9 KiB
<?php
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/** @license MIT
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* Copyright 2018 J. King et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace MensBeam\Lax\Parser;
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use MensBeam\Lax\Collection;
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use MensBeam\Lax\Date;
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trait Construct {
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/** Trims plain text and collapses whitespace */
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protected function trimText(string $text): string {
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return trim(preg_replace("<\s{2,}>s", " ", $text));
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}
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/** Tests whether a string is a valid e-mail address
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*
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* Accepts IDN hosts and Unicode localparts
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*/
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protected function validateMail(string $addr): bool {
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if (!preg_match("/^(.+?)@([^@]+)$/", $addr, $match)) {
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return false;
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}
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$local = $match[1];
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$domain = $match[2];
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// PHP's filter_var does not accept IDN hosts, so we have to perform an IDNA transformation first
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$domain = idn_to_ascii($domain, \IDNA_NONTRANSITIONAL_TO_ASCII | \IDNA_CHECK_BIDI | \IDNA_CHECK_CONTEXTJ, \INTL_IDNA_VARIANT_UTS46);
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if ($domain !== false) {
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$addr = "$local@$domain";
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return (bool) filter_var($addr, \FILTER_VALIDATE_EMAIL, \FILTER_FLAG_EMAIL_UNICODE);
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}
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return false;
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}
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protected function parseDate(string $date): ?Date {
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$out = null;
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$date = $this->trimText($date);
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if (strlen($date)) {
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$tz = new \DateTimeZone("UTC");
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foreach (Date::$supportedFormats as $format) {
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$out = Date::createFromFormat($format, $date, $tz);
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if ($out) {
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break;
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}
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}
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}
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return $out ?: null;
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}
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protected function empty($o, array $ignore = []): bool {
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return !array_filter((array) $o, function($v, $k) use ($ignore) {
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return !in_array($k, $ignore) && !is_null($v) && (!$v instanceof Collection || sizeof($v) > 0);
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}, \ARRAY_FILTER_USE_BOTH);
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}
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}
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