How do i count the number of strings in php?

[PHP 4, PHP 5, PHP 7, PHP 8]

substr_countCount the number of substring occurrences

Description

substr_count[
    string $haystack,
    string $needle,
    int $offset = 0,
    ?int $length = null
]: int

Note:

This function doesn't count overlapped substrings. See the example below!

Parameters

haystack

The string to search in

needle

The substring to search for

offset

The offset where to start counting. If the offset is negative, counting starts from the end of the string.

length

The maximum length after the specified offset to search for the substring. It outputs a warning if the offset plus the length is greater than the haystack length. A negative length counts from the end of haystack.

Return Values

This function returns an int.

Changelog

VersionDescription
8.0.0 length is nullable now.
7.1.0 Support for negative offsets and lengths has been added. length may also be 0 now.

Examples

Example #1 A substr_count[] example

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