Add src files for CoreLibs composer all package

src/Convert/Html.php

@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * html convert functions
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert;
+
+class Html
+{
+	public const SELECTED = 0;
+	public const CHECKED = 1;
+
+	/**
+	 * full wrapper for html entities
+	 *
+	 * @param  mixed $string string to html encode
+	 * @return mixed         if string, encoded, else as is (eg null)
+	 */
+	public static function htmlent($string)
+	{
+		if (is_string($string)) {
+			return htmlentities($string, ENT_COMPAT | ENT_HTML401, 'UTF-8', false);
+		} else {
+			return $string;
+		}
+	}
+
+	/**
+	 * strips out all line breaks or replaced with given string
+	 * @param  string $string  string
+	 * @param  string $replace replace character, default ' '
+	 * @return string          cleaned string without any line breaks
+	 */
+	public static function removeLB(string $string, string $replace = ' '): string
+	{
+		return str_replace(["\n\r", "\r", "\n"], $replace, $string);
+	}
+
+	/**
+	 * returns 'checked' or 'selected' if okay
+	 * $needle is a var, $haystack an array or a string
+	 * **** THE RETURN: VALUE WILL CHANGE TO A DEFAULT NULL IF NOT FOUND ****
+	 *
+	 * @param  array<mixed>|string $haystack (search in) haystack can be
+	 *                                       an array or a string
+	 * @param  string              $needle   needle (search for)
+	 * @param  int                 $type     type: 0: returns selected, 1,
+	 *                                       returns checked
+	 * @return ?string                       returns checked or selected,
+	 *                                       else returns null
+	 */
+	public static function checked($haystack, string $needle, int $type = 0): ?string
+	{
+		if (is_array($haystack)) {
+			if (in_array($needle, $haystack)) {
+				return $type ? 'checked' : 'selected';
+			}
+		} else {
+			if ($haystack == $needle) {
+				return $type ? 'checked' : 'selected';
+			}
+		}
+		return null;
+	}
+}
+
+// __END__