[Term Entry] PHP String Functions str_starts_with()

[codecademy-docs]

Reason/inspiration (optional)

We would like a new term entry for PHP about the str_starts_with() function.

The entry should go in a new file in docs/content/php/concepts/string-functions/terms/str-starts-with/str-starts-with.md (Note the path uses dashes, not underscores.)

The entry should

• Have a syntax section illustrating the function with a ```pseudo code block.
• An example showing the function in use with a ```php code block.
• A runnable codebyte example in a ```codebyte/php block.

Please refer to the entry templates, content standards, and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Term for Existing Concept Entry

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[jopbdavid]

Hey i'd like to work on this issue. This would be my first colab with codecademy-docs!

[yangc95]

@jopbdavid You're assigned! You can check out the Contribution Guide for additional information on contributing.

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[jopbdavid]

Hey @yangc95

Codecademy was my first partner on this learning to code adventure. I want to start contributing and challenge myself, Docs seemed a good place to start.

Thanks,