Php Connection_Status. Parameters connection_string The connection_string can be empty to use all default parameters or it can contain one or more parameter settings separated by whitespace Each parameter setting is in the form keyword = valueSpaces around the equal sign are optional To write an empty value or a value containing spaces surround it with single quotes eg keyword = ‘a value’.
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PHP: eval Manual
The include (or require) statement takes all the text/code/markup that exists in the specified file and copies it into the file that uses the include statement Including files is very useful when you want to include the same PHP HTML or text on multiple pages of a website.
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Manual PHP: pg_connect
PHP FILTER_VALIDATE_EMAIL Filter W3Schools
Caution The eval() language construct is very dangerous because it allows execution of arbitrary PHP code Its use thus is discouraged If you have carefully verified that there is no other option than to use this construct pay special attention not to pass any user provided data into it without properly validating it beforehand.
