Evaluate a php code to determine whether two or more sub-strings exist in a string.

Evaluate a php code to determine whether two or more sub-strings exist in a string. use explode to calculate the number of array elements? Is it a direct function? Share To: find more php code to determine whether two or more sub-strings exist in a string.
Use explode to calculate the number of array elements?
Is it a direct function?

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------ Solution --------------------
Mb_substr_count
------ Solution --------------------

$ S = 'Judge whether two or more substrings exist in a string ';
If (preg_match ('/(. +). * \ 1/U', $ s) echo 'yes ';

// Check what matches
Preg_match_all ('/(. +). * \ 1/U', $ s, $ r );
Print_r ($ r );

Yes
Array
(
[0] => Array
(
[0] => whether two strings exist
)

[1] => Array
(
[0] =>
)

)
Note: gbk cannot be written like this!
Although the u modifier can be used for gbk, the result is not accurate.