How to convert php numbers to strings

How to convert php numbers into strings: First create a php sample file; then declare the file type and encoding for PHP to interact with the browser; then define a floating point deformation variable "$a=123"; finally Just convert the number into a string through the "$b=$a.'hello'" method.

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1. First, you need to create a new 74.php.

#2. Then you need to enter the structure of the php web page according to the code shown ().

#3. Then you need to declare the file type and encoding for PHP to interact with the browser according to the code shown in the figure.

#4. Then you need to define a floating point deformation variable $a = 123 according to the code shown in the figure.

#5. Then you need to enter the code $b = $a . 'hello' according to the code shown in the figure to convert the number of $a into a string.

#6. Then you need to use the var_dump() function according to the code shown in the figure to output $b.

#7. Run the web page and check that the variable type has successfully converted the number into a string.

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