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wordpress/wp-includes
Sergey Biryukov 9646cd2a77 Tests: Simplify some assertions in Tests_Media.
A number of assertions are checking for the number of times a hard-coded substring existed in a larger `$haystack`.

These assertions were using `preg_match_all()` to do so, but without actually using a regex.

In these cases, it is more performant (and simpler) to use the PHP native `substr_count()` function, which will yield the same result, without the overhead of regex parsing.

Reference: [https://www.php.net/manual/en/function.substr-count.php PHP Manual: substr_count()]

Follow-up to [711/tests], [38838], [42694], [53558].

Props jrf.
See #55652.
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git-svn-id: http://core.svn.wordpress.org/trunk@53349 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-07-28 22:38:13 +00:00
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