Fix PHP8.1 issue passing NULL to sha1()

DaveChild / Text-Statistics

Generate information about text including syllable counts and Flesch-Kincaid, Gunning-Fog, Coleman-Liau, SMOG and Automated Readability scores.

https://readable.com/

BSD 2-Clause "Simplified" License

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Fix PHP8.1 issue passing NULL to sha1() #55

Open smulvih2 opened 1 year ago

smulvih2 commented 1 year ago

After moving to PHP8.1 I am getting the following error when a field is empty:

Deprecated function: sha1(): Passing null to parameter #1 ($string) of type string is deprecated in DaveChild\TextStatistics\Text::cleanText() (line 34 of /var/www/vendor/davechild/textstatistics/src/DaveChild/TextStatistics/Text.php).

This PR checks if the string in question is NULL for proper handling.