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PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"$function_name does not exist."'.

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$alias".

Using cURL functions is highly discouraged. Use wp_remote_get() instead.

Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "U_IDNA_ACE_PREFIX_ERROR".

Mismatched text domain. Expected 'google-site-kit' but got 'default'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"Since {$package} {$version}: "'.

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fclose().

Function "str_contains()" requires WordPress 5.9.0, but your plugin minimum supported version is WordPress 5.2.0.

Detected usage of a non-sanitized input variable: $_ENV['SSH_AUTH_SOCK']

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fopen().

set_error_handler() found. Debug code should not normally be used in production.

$_SERVER['HTTP_USER_AGENT'] not unslashed before sanitization. Use wp_unslash() or similar

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fputs().

The use of function eval() is forbidden

parse_url() is discouraged because of inconsistency in the output across PHP versions; use wp_parse_url() instead.

var_export() found. Debug code should not normally be used in production.

Using cURL functions is highly discouraged. Use wp_remote_get() instead.

trigger_error() found. Debug code should not normally be used in production.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "https_ssl_verify".

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fread().

File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fwrite().

mt_rand() is discouraged. Use the far less predictable wp_rand() instead.

date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "$hook".