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php tutorial how to delete variables

爱喝马黛茶的安东尼

Sep 25, 2019 pm 02:00 PM

phpdeletevariable

php tutorial how to delete variables

Create a new 353.php, as shown in the figure:

php tutorial how to delete variables

##Add the delimiter of php (

php tutorial how to delete variables

Related recommendations: "

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Files that declare the interaction between PHP and the browser Type and encoding, as shown in the figure:

php tutorial how to delete variables

Define a string variable $str, code: $str = "Delete variable".

php tutorial how to delete variables

Use the echo statement to output the variables before deletion, as shown in the figure:

php tutorial how to delete variables

Use the unset() function to delete variables, and use the echo statement to output the deleted variables, as shown in the figure:

php tutorial how to delete variables

Run the web page and output the result of the code implementation on the browser, as shown in the figure:

php tutorial how to delete variables

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