why do you use {} around variables in following sql statement?
SELECT
FROM users
WHERE username = '{$_POST['user']}'
why do you use {} around variables in following sql statement? SELECT FROM users
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why do you use {} around variables in following sql statement?
SELECT
FROM users
WHERE username = '{$_POST['user']}'
I presume you are using SQL from within PHP language.
This syntax with
{}is used to interpolate array elements embedded in quoted string.For example, composing the following string:
will compile output with the value of variable (array element) dereferenced, for instance:
SQL queries in PHP are composed from strings, so this
{}syntax is used fairly often.Reference: Variable parsing – complex syntax PHP4+
p.s. It’s always a good idea to provide as many details as possible in your question.