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I ate three cookies πŸͺ (v3.40.2) edition

Rule mb_str_functionsΒΆ

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);

Source classΒΆ

PhpCsFixer\Fixer\Alias\MbStrFunctionsFixer