006+
007+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 18
008- string(14) "This is a test"
010+
011+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 21
012+ bool(false)
010- string(3) "est"
012- string(5) "This "
014+
015+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 18
016+ bool(false)
018+
019+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 21
022+
023+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 21
026+
027+ Notice: iconv_substr(): Wrong charset, conversion from `utf8mb4' to `UCS-4LE' is not allowed in %s/iconv_substr.php on line 21
028+ bool(false)