[core] Backported str_starts_with, str_ends_with and str_contains from php 8 (#2318)

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/php8backports.php b/lib/php8backports.php
new file mode 100644
index 00000000..aa68b77a
--- /dev/null
+++ b/lib/php8backports.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * This file is part of RSS-Bridge, a PHP project capable of generating RSS and
+ * Atom feeds for websites that don't have one.
+ *
+ * For the full license information, please view the UNLICENSE file distributed
+ * with this source code.
+ *
+ * @package	Core
+ * @license	http://unlicense.org/ UNLICENSE
+ * @link	https://github.com/rss-bridge/rss-bridge
+ */
+
+// based on https://github.com/laravel/framework/blob/8.x/src/Illuminate/Support/Str.php
+
+if (!function_exists('str_starts_with')) {
+	function str_starts_with($haystack, $needle) {
+		return (string)$needle !== '' && strncmp($haystack, $needle, strlen($needle)) === 0;
+	}
+}
+
+if (!function_exists('str_ends_with')) {
+	function str_ends_with($haystack, $needle) {
+		return $needle !== '' && substr($haystack, -strlen($needle)) === (string)$needle;
+	}
+}
+
+if (!function_exists('str_contains')) {
+	function str_contains($haystack, $needle) {
+		return $needle !== '' && mb_strpos($haystack, $needle) !== false;
+	}
+}