fix for php 8.2 - deprecated null parameter to explode()

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fix for php 8.2 - deprecated null parameter to explode() #212

Closed honzito closed 1 year ago

honzito commented 1 year ago

null parameter to second paremeter of explode throws warning in php 8.2: "Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated". Now fixed.