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strip_tags() is discouraged. Use the more comprehensive wp_strip_all_tags() instead.

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

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

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unlink() is discouraged. Use wp_delete_file() to delete a file.

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Resource version not set in call to wp_enqueue_script(). This means new versions of the script may not always be loaded due to browser caching.

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load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed.

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Writing files using ABSPATH may be problematic. Consider using wp_upload_dir() instead if storing user data or generated files.

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

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phpinfo() can lead to full path disclosure.

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

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

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

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

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

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In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.