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Add url_fopen option checking to requirements #383

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Add url_fopen option checking to requirements #383

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20 changes: 20 additions & 0 deletions s3-uploads.php
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,14 @@ function s3_uploads_check_requirements() {

return false;
}

if ( ! ini_get( 'allow_url_fopen' ) ) {
if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {
add_action( 'admin_notices', 's3_uploads_url_fopen_disabled_notice' );
}

return false;
}

return true;
}
Expand All @@ -89,6 +97,18 @@ function s3_uploads_outdated_php_version_notice() {
PHP_VERSION
);
}

/**
* Print an admin notice when the PHP version is not high enough.
*
* This has to be a named function for compatibility with PHP 5.2.
*/
function s3_uploads_url_fopen_disabled_notice() {
printf( '<div class="error"><p>The S3 Uploads plugin requires PHP option allow_url_fopen to be enabled. <a href="%s" target="_blank" rel="noopener noreferrer">Learn more</a>.</p></div>',
'https://www.php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen'
);
}

/**
* Check if URL rewriting is enabled.
*
Expand Down