
Rule mb_str_functions
ΒΆ
Replace non multibyte-safe functions with corresponding mb function.
WarningΒΆ
Using this rule is riskyΒΆ
Risky when any of the functions are overridden, or when relying on the string byte size rather than its length in characters.
ExamplesΒΆ
Example #1ΒΆ
--- Original
+++ New
<?php
-$a = strlen($a);
-$a = strpos($a, $b);
-$a = strrpos($a, $b);
-$a = substr($a, $b);
-$a = strtolower($a);
-$a = strtoupper($a);
-$a = stripos($a, $b);
-$a = strripos($a, $b);
-$a = strstr($a, $b);
-$a = stristr($a, $b);
-$a = strrchr($a, $b);
-$a = substr_count($a, $b);
+$a = mb_strlen($a);
+$a = mb_strpos($a, $b);
+$a = mb_strrpos($a, $b);
+$a = mb_substr($a, $b);
+$a = mb_strtolower($a);
+$a = mb_strtoupper($a);
+$a = mb_stripos($a, $b);
+$a = mb_strripos($a, $b);
+$a = mb_strstr($a, $b);
+$a = mb_stristr($a, $b);
+$a = mb_strrchr($a, $b);
+$a = mb_substr_count($a, $b);