Questions about passing php values

Php value passing expert & lt; formname = & quot; form & quot; method = & quot; post & quot; action = & quot; & gt; & nbsp; & lt; tablewidth = & quot; 560 php experts

I want to go to http: // localhost/wosheji/lantan/clc. php? Id = 6 how can I see the "content" corresponding to id = 6 on this page "?

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PHP code

.................... The connection code to the database is omitted ............. $ result = mysql_query ("select * from table name where id = $ _ GET ['id']"); $ arr = mysql_fetch_assoc ($ result); print_r ($ arr );
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In http: // localhost/wosheji/lantan/clc. php? Id = 6
If (! Empty ($ _ GET )){
Print_r ($ _ GET );
}
Check what is output. if there is an id value, add the #1 content to the if expression.