[PHP 图片转base64]

img2base64.php

<?php
  
  function base64EncodeImage($image_file)
{
  $base64_image = '';
  $image_info = getimagesize($image_file);
  $image_data = fread(fopen($image_file, 'r'), filesize($image_file));
  //$base64_image = 'data:' . $image_info['mime'] . ';base64,' . chunk_split(base64_encode($image_data));
  $base64_image = 'data:' . $image_info['mime'] . ';base64,' . base64_encode($image_data);
  return $base64_image;
}

imgToBase64.php

<?php
  
/**
 * 获取网络图片的Base64编码
 * $img_url 网络图片地址
 * $hasPre  是否有前缀
 * @return string
 * @link https://www.cnblogs.com/jiqing9006/p/14501561.html 
 */
public function imgToBase64($img_url,$hasPre = true)
{
    $img_base64 = '';
    $imageInfo = getimagesize($img_url);
    if (!$imageInfo) {
        return false;
    }
    $img_base64 = "" . chunk_split(base64_encode(file_get_contents($img_url)));
    if ($hasPre) {
        $img_base64 = 'data:' . $imageInfo['mime'] . ';base64,'.$img_base64;
    }
    return $img_base64;
}