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wordpress后台主题文件编辑修改提示"无法与站点通信来检查致命错误,因此PHP修改已被回滚。您需要采用其他方式(如SFTP)....

想修改下网页上面内容,需要修改主题模板。在外观–主题文件编辑器中找到了要修改的文件,修改好后,点击更新文件。

提示:无法与站点通信来检查致命错误,因此PHP修改已被回滚。您需要采用其他方式(如SFTP)….

没有修改成功。原因是WordPress升级到最新版本之后,主题模版编辑器只能保存CSS样式表,凡是php模板文件都会出现上述错误。

这个时候有2个选择。1、通过ftp下模板,修改之后在上传。2、解决这个问题,在修改

于是在网上找了资料,下面讲下方式。

1、进网站根目录,通打开wp-admin/includes/file.php文件 ,删除一段代码;

第一步,找到wp-admin/includes/file.php文件,下载到本地。
第二步,打开file.php ,删

开头   if ( $is_active && 'php' === $extension ) {

结尾 return new WP_Error( 'php_error', $message, $result );

这一段代码。

第三步,直接删除代码后,保存,在上传覆盖即可。

完整代码如下:

    1. if ( $is_active && 'php' === $extension ) {
    2. $scrape_key = md5( rand() );
    3. $transient = 'scrape_key_' . $scrape_key;
    4. $scrape_nonce = strval( rand() );
    5. // It shouldn't take more than 60 seconds to make the two loopback requests.
    6. set_transient( $transient, $scrape_nonce, 60 );
    7. $cookies = wp_unslash( $_COOKIE );
    8. $scrape_params = array(
    9. 'wp_scrape_key' => $scrape_key,
    10. 'wp_scrape_nonce' => $scrape_nonce,
    11. );
    12. $headers = array(
    13. 'Cache-Control' => 'no-cache',
    14. );
    15. /** This filter is documented in wp-includes/class-wp-http-streams.php */
    16. $sslverify = apply_filters( 'https_local_ssl_verify', false );
    17. // Include Basic auth in loopback requests.
    18. if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) {
    19. $headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash(
    20. $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) );
    21. }
    22. // Make sure PHP process doesn't die before loopback requests complete.
    23. set_time_limit( 300 );
    24. // Time to wait for loopback requests to finish.
    25. $timeout = 100;
    26. $needle_start = "###### wp_scraping_result_start:$scrape_key ######";
    27. $needle_end = "###### wp_scraping_result_end:$scrape_key ######";
    28. // Attempt loopback request to editor to see if user just whitescreened themselves.
    29. if ( $plugin ) {
    30. $url = add_query_arg( compact( 'plugin', 'file' ), admin_url( 'plugin-editor.php' ) );
    31. } elseif ( isset( $stylesheet ) ) {
    32. $url = add_query_arg(
    33. array(
    34. 'theme' => $stylesheet,
    35. 'file' => $file,
    36. ),
    37. admin_url( 'theme-editor.php' )
    38. );
    39. } else {
    40. $url = admin_url();
    41. }
    42. $url = add_query_arg( $scrape_params, $url );
    43. $r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout', 'sslverify' ) );
    44. $body = wp_remote_retrieve_body( $r );
    45. $scrape_result_position = strpos( $body, $needle_start );
    46. $loopback_request_failure = array(
    47. 'code' => 'loopback_request_failed',
    48. 'message' => __( 'Unable to communicate back with site to check for fatal errors, so the PHP change was reverted. You will need to upload your PHP file change by some other means, such as by using SFTP.' ),
    49. );
    50. $json_parse_failure = array(
    51. 'code' => 'json_parse_error',
    52. );
    53. $result = null;
    54. if ( false === $scrape_result_position ) {
    55. $result = $loopback_request_failure;
    56. } else {
    57. $error_output = substr( $body, $scrape_result_position + strlen( $needle_start ) );
    58. $error_output = substr( $error_output, 0, strpos( $error_output, $needle_end ) );
    59. $result = json_decode( trim( $error_output ), true );
    60. if ( empty( $result ) ) {
    61. $result = $json_parse_failure;
    62. }
    63. }
    64. // Try making request to homepage as well to see if visitors have been whitescreened.
    65. if ( true === $result ) {
    66. $url = home_url( '/' );
    67. $url = add_query_arg( $scrape_params, $url );
    68. $r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout' ) );
    69. $body = wp_remote_retrieve_body( $r );
    70. $scrape_result_position = strpos( $body, $needle_start );
    71. if ( false === $scrape_result_position ) {
    72. $result = $loopback_request_failure;
    73. } else {
    74. $error_output = substr( $body, $scrape_result_position + strlen( $needle_start ) );
    75. $error_output = substr( $error_output, 0, strpos( $error_output, $needle_end ) );
    76. $result = json_decode( trim( $error_output ), true );
    77. if ( empty( $result ) ) {
    78. $result = $json_parse_failure;
    79. }
    80. }
    81. }
    82. delete_transient( $transient );
    83. if ( true !== $result ) {
    84. // Roll-back file change.
    85. file_put_contents( $real_file, $previous_content );
    86. if ( function_exists( 'opcache_invalidate' ) ) {
    87. opcache_invalidate( $real_file, true );
    88. }
    89. if ( ! isset( $result['message'] ) ) {
    90. $message = __( 'Something went wrong.' );
    91. } else {
    92. $message = $result['message'];
    93. unset( $result['message'] );
    94. }
    95. return new WP_Error( 'php_error', $message, $result );
    96. }
    97. }
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