Allow empty string for setting value #640
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Some PHP features are enabled by default and can be disabled by using an empty string as a setting value, e.g. user_ini.filename. The code currently require a non-empty string, making it impossible to disable such a feature. Allow an empty string as the value of a setting.
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Some PHP features are enabled by default and can be disabled by using an empty string as a setting value, e.g. user_ini.filename. The code currently require a non-empty string, making it impossible to disable such a feature.
Allow an empty string as the value of a setting.
Fix #639