Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, actions/cache@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Unused variable $wpdb.

Variable assignment found within a condition. Did you mean to do a comparison ?

Stand-alone post-increment statement found. Use pre-increment instead: ++$num_rows.

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

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

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

It is recommended not to use reserved keyword "string" as function parameter name. Found: $string