if isset submit

If (isset ($ _ POST [submit]) does it mean to determine whether the variable $ _ POST [submit] is configured? If this variable is in the execution of other code, use if (isset ($ _ POST ['submit ']) { } Difference between if ($ _ POST [submit])

This should be done with if (Isset ($_post[' submit ')) { } difference between if ($_post[submit]) and if (Isset ($_post[submit)) when submitting a form The first method will show a warning, the second is relatively more rigorous. There is also

Use if (isset ($ _ POST ['submit ']) {}Difference between if ($ _ POST [submit]) and if (isset ($ _ POST [submit]) when submitting a formThe first method produces a warning, and the second method is more rigorous.In addition, it is best to add

if (Isset ($_post[' submit ')) cannot execute if (Isset ($_post[' submit ')) { mysql_connect ("localhost", "root", ""); mysql_select_db ("soft"); mysql_query ("Set character set GBK"); $username =$_post["username"]; $password =$_post["Password"

If (isset ($ _ POST [submit]) cannot be executed & lt; formname & quot; adduser & quot; action & quot; dealadduser. php & quot; method & quot; POST & quot; & gt; & nbsp; add Administrator & lt; br & gt; & nbsp; Name: & lt; I if (isset ($ _ POST

If (isset ($ _ POST ['submit ']) cannot be executed & lt; formname = & quot; adduser & quot; action = & quot; dealadduser. php & quot; method = & quot; POST & quot; & gt; if (isset ($ _ POST ['submit ']) cannot be executed If (isset ($ _ POST

If (isset ($ _ POST [submit]) cannot be executed & lt; formname & quot; adduser & quot; action & quot; dealadduser. php & quot; method & quot; POST & quot; & gt; & nbsp; add Administrator & lt; br & gt; & nbsp; Name: & lt; I if (isset ($ _ POST

In the chrome browser, isset ($ _ POST ['submit ']) does not return True. it can be successful in IE, but not in chrome. Is it a browser BUG ?, The code is okay. how do you test it. Chrome version ., Go to the gg browser and check if there are any

Can be successful under IE, but not under Chrome, is it a bug in the browser itself? Reply to discussion (solution) Paste code to.Chrome is the most respected standard, only to say that your code is not in line with the standards of the place

Chrome browser under Isset ($_post[' submit ') does not return ture Can be successful under IE, but not under Chrome, is it a bug in the browser itself? ------Solution-------------------- There's no problem with the code, how did you test it? What