How to convert images into binary strings in php

php method to convert images into binary strings: first obtain the temporary file name through the "$_FILES['file']['tmp_name'];" method; then convert the image file into binary through the base64EncodeImage function Stream; finally output the conversion result.

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php converts images into binary streams

//Get the temporary file name

$strTmpName = $_FILES['file']['tmp_name'];

//Convert to binary stream

$strData = base64EncodeImage(strTmpName );

//Output

<img src=&#39;$strData&#39;>

function base64EncodeImage($strTmpName)
{
    $base64Image = '';
    $imageInfo   = getimagesize($strTmpName);
    $imageData   = fread(fopen($strTmpName , 'r'), filesize($strTmpName));
    $base64Image = 'data:' . $imageInfo['mime'] . ';base64,' . chunk_split(base64_encode($imageData));
    return $base64Image;
}

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