Count the number of substring occurrences
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    mb_substr_count

    (PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

    mb_substr_count — Count the number of substring occurrences

    Description

    mb_substr_count(string $haystack, string $needle, ?string $encoding = null): int

    Counts the number of times the needle substring occurs in the haystack string.

    Parameters

    haystack

    The string being checked.

    needle

    The string being found.

    encoding

    The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used.

    Return Values

    The number of times the needle substring occurs in the haystack string.

    Changelog

    Version Description
    8.0.0 encoding is nullable now.

    Examples

    Example #1 mb_substr_count() example

    <?phpecho mb_substr_count("This is a test", "is"); // prints out 2?>

    See Also