Job Alerts 3.0.0 plugin gives 500 ajax error

[Ericmuc]

Describe the bug I have a ajax 500 fatal error as shown here: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /domain-pathxxxx/wp-content/plugins/wp-job-manager-alerts/includes/class-add-alert.php:57

To Reproduce Steps to reproduce the behavior:

1. Go to '/jobs-listing/' with activated job alert plugin "Job Alerts 3.0.0"
2. the job list don't load and a 500er error is shown in the webbrowser console

Solution I changed the code in class-add-alert.php:57 ff

from if ( count( $args['filter_job_types'] ) !== count( $all_job_types ) ) { foreach ( $args['filter_job_types'] as $job_type ) { $job_type_term = get_term_by( 'slug', $job_type, 'job_listing_type' ); $job_type_array[] = $job_type_term->term_id; } }

to if (is_countable($args['filter_job_types']) && count($args['filter_job_types']) > 0) { if ( count( $args['filter_job_types'] ) !== count( $all_job_types ) ) { foreach ( $args['filter_job_types'] as $job_type ) { $job_type_term = get_term_by( 'slug', $job_type, 'job_listing_type' ); $job_type_array[] = $job_type_term->term_id; } } }

Expected behavior After adding the code from the solution it works, the job list is loading again

Isolating the problem (mark completed items with an [x]):

• [ ] I have deactivated other plugins and confirmed this bug occurs when only WP Job Manager plugin is active.
• [x] if I disable https://plugins.smyl.es/wp-job-manager-search-and-filtering the job list is loading but I can solve this by adding code to the plugin "Job Alerts 3.0.0" (the old version "Job Alerts 2.1.1" don't make the error)
• [ ] This bug happens with a default WordPress theme active.
• [x] I can reproduce this bug consistently using the steps above.

WordPress Environment

• WordPress Version: latest
• WP Job Manager Version: latest
• PHP Version: 8.2
• Other important details:

[Ericmuc]

fixed in the latest plugin version, great!