strikt types

string.php

@@ -1,5 +1,7 @@
 <?php
-function umlaute($str) {
+declare(strict_types=1);
+
+function umlaute(string $str): string {
   return str_replace ( array (
           'Ä',
           'Ö',
@@ -20,10 +22,10 @@ function umlaute($str) {
           '&amp;'
   ), $str );
 }
-function chk($str) {
+function chk(string $str): string {
   return str_replace ( "'", '"', $str );
 }
-function noScript($str) {
+function noScript(string $str): string {
   return str_replace ( array (
           '<',
           '>'
@@ -32,7 +34,7 @@ function noScript($str) {
           '&gt;'
   ), $str );
 }
-function random($name_laenge) {
+function random(int $name_laenge): string {
   $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
   $name_neu = "";
 
@@ -43,32 +45,32 @@ function random($name_laenge) {
   }
   return $name_neu;
 }
-function startsWith($haystack, $needle) {
+function startsWith(string $haystack, string $needle): bool {
   $length = strlen ( $needle );
   return (substr ( $haystack, 0, $length ) === $needle);
 }
-function endsWith($haystack, $needle) {
+function endsWith(string $haystack, string $needle): bool {
   $length = strlen ( $needle );
 
   return $length === 0 || (substr ( $haystack, - $length ) === $needle);
 }
-function onlyAlpha($str, $zus = '') {
+function onlyAlpha(string $str, string $zus = ''): string {
   return preg_replace ( "/[^a-zA-Z0-9 \-\{$zus}_]+/", "", $str );
 }
-function shortener($str, $len = 50, $fill = '...') {
+function shortener(string $str, int $len = 50, string $fill = '...'): string {
   if (strlen ( $str ) > $len) {
     $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
   }
   return $str;
 }
-function isEmail($str) {
+function isEmail(string $str): string|false {
   $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
   if ($match) {
     return $str;
   }
   return false;
 }
-function markUp($text) {
+function markUp(string $text): string {
   $r = '';
   $lv = 0;
   foreach ( explode ( "\n", $text ) as $t ) {
@@ -127,7 +129,7 @@ function markUp($text) {
   }
   return $r;
 }
-function onlySimpleHTML($s) {
+function onlySimpleHTML(string $s): string {
   $s = str_replace ( array (
           '<',
           '>'
@@ -259,14 +261,14 @@ function onlySimpleHTML($s) {
 
   return $s;
 }
-function linkify($input) {
+function linkify(string $input): string {
   $pattern = '@(http(s)?://[a-zA-Z0-9/\.\#\-\_]*)@';
   return $output = preg_replace ( $pattern, '<a href="$1">$1</a>', $input );
 }
-function inStr($needle, $haystack) {
+function inStr(string $needle, string $haystack): bool {
   if (strpos ( $haystack, $needle ) !== false) {
     return true;
   }
   return false;
 }
-?>
+?>