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Tag: preg-replace-callback

Replace a string that matches a pattern using preg_replace_callback

I want to replace the occurrences of the pattern “binary_function([x,y])” with substring “XY” in a given string. I have it working with the following code: However, I also want it to replace “binary_function([x1,y1])” with substring “X1Y1”, and any length of the arguments inside the square brackets e.g. [x11,y12], [var1,var2], etc. I tried this: but it did not work. Can anyone

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