Mysql time storage problems

Mysql time storage problem time front-end display xx minutes time is filled in by front-end how to save to the database and read ?, What type is a field type. Save the data in the corresponding type format. for example, DATExxxx-xx-xxDATETIMExxxx-xx-xxxx: xx: xxTIMExx: xx, $ s = '16: 48 minutes '; // $ s mysql time storage problems
How does the front-end display xx: xx minutes?

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What type is a field type. Just save it to the corresponding type format.

Like DATE xxxx-xx
DATETIME xxxx-xx: xx
TIME xx: xx

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$ S = '16 hours 48 minutes ';
// $ S = '16: 48 ';
Echo date ('H: I: S', strtotime (preg_replace ('/[^ \ d]/', '', $ s )));

Get 16:48:00
This is the data you need to write the time field