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How to check file is an image in php

You can check if the file is an image or not in PHP using this function. This function will return true if the specified file is an image or return false if the specified file is not an image.

  • Check file is image or not in php

    function isImage($image){
        $extension = pathinfo($image, PATHINFO_EXTENSION);
        $imgExtArr = ['jpg', 'jpeg', 'png'];
        if(in_array($extension, $imgExtArr)){
            return true;
        }
        return false;
    }
    

    This function will return true or false on the basis of the extension of files. It provides true if the file is an image or returns false if the file is not an image. You can pass more image file extensions to $imgExtArr variable.

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