Php outputs digital code as an image-PHP source code

Ec (2); defines the output as the image type $ n10; variable $ n is the number of digits of the display. Use the above method to obtain the number of accessors and assign the value to the variable $ str1 (Program omitted) $ str1 $ count; $ str2 & quot; fill in 0 $ len1strlen ($ str1); for ($ i1; $ I & lt; $ n; $ I ++) {$ str2 & quot; 0 & quo script ec (2); script

// Define output as image type
$ N = 10;
// Variable $ n is the number of digits displayed

// Use the above method to obtain the number of accessors and assign the value to the variable $ str1 (Program omitted)
$ Str1 = $ count;
$ Str2 = "";
// If the number of digits is less than $ n, add 0 in front.
$ Len1 = strlen ($ str1 );
For ($ I = 1; $ I <= $ n; $ I ++ ){
$ Str2 = "0". $ str2;
};
// Get $ n Bit 0
$ Len2 = strlen ($ str2 );
// Calculate the number of visits
$ Dif = $ len2-$ len1;
$ Rest = substr ($ str2, 0, $ dif );
$ String = $ rest. $ str1;
// If the number of digits is less than $ n, add 0 in front.
For ($ I = 0; $ I <= $ n-1; $ I ++ ){
$ Str [$ I] = substr ($ string, $ I, 1 );
};
// Store each number in an array
$ Font = 4;
// Define the font size
$ Im = imagecreate ($ n * 11-1, 16 );
// Create an image
$ Black = ImageColorAllocate ($ im, 0, 0 );
$ White = ImageColorAllocate ($ im, 255,255,255 );
// Define the color
Imagefill ($ im, 0, 0, $ black );
// Set the background color of the counter to black.
ImageString ($ im, $ font, 1, 0, $ str [0], $ white );
For ($ I = 1; $ I <= $ n-1; $ I ++ ){
Imageline ($ im, $ I * 11-, $ I * 11-, $ white );
ImageString ($ im, $ font, $ I * 11 + 1, 0, $ str [$ I], $ white );
};
// Write each image and separate it with a vertical line
ImageGif ($ im );
// Image output
ImageDestroy ($ im );
// Release the image