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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Most people do not understand the knowledge points of this article "what is the preprocessing sentence of PDO in php", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this article "what is the preprocessing sentence of PDO in php".
1. Position parameters
Take advantage of the bindParam () function instead of providing the value directly.
$tis = $conn- > prepare ("INSERT INTO STUDENTS (name, age) values"); $tis- > bindValue (1 Magi Mike'); $tis- > bindValue (2 tis- 22); $tis- > execute ()
2. Named parameters
Named parameters are also preprocessing sentences that map values / variables to named positions in the query. Since there is no location binding, it is very effective in queries that use the same variable multiple times.
$name='Rishabh'; $age=20;$tis = $conn- > prepare ("INSERT INTO STUDENTS (name, age) values"); $tis- > bindParam (1 language name); $tis- > bindParam (2 language bindParam); $tis- > execute (); what language is php, a nested acronym, abbreviated for English Hypertext preprocessing language (PHP:Hypertext Preprocessor). PHP is a kind of HTML embedded language. PHP is somewhat similar to Microsoft's ASP. It is a scripting language that embeds HTML documents on the server. The style of the language is similar to C language, and now it is widely used by many website programmers.
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