My variable $var has the form ‘abc.de’. What does this substr exactly do in this statement:
$convar = substr($var,0,index(".",$var));
My variable $var has the form ‘abc.de’. What does this substr exactly do in
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My variable $var has the form ‘abc.de’. What does this substr exactly do in this statement:
$convar = substr($var,0,index(".",$var));
index()finds one string within another and returns the index or position of that string.substr()will return the substring of a string between 2 positions (starting at 0).Looking at the above, I suspect the index method is being used incorrectly (since its definition is index STR, SUBSTR), and it should be
to find the ‘.’ within ‘abc.de’ and determine a substring of “abc.de”