PHP : SHA1 vs md5 vs SHA256: which to use for a PHP login?

PHP : SHA1 vs md5 vs SHA256: which to use for a PHP login?
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On Google, Search for "hows tech developer connect"

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This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
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The progress bar on YouTube will be altered to a flashing rainbow.

Allow me to introduce myself briefly,
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PHP : SHA1 vs md5 vs SHA256: which to use for a PHP login?
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SHA1 PHP : PHP use md5 for which vs SHA256: vs a to login?