{"id":18996496,"date":"2026-08-18T15:01:24","date_gmt":"2026-08-18T15:01:24","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/bug-report-php-deprecated-notices-and-warning\/"},"modified":"2026-08-18T15:01:24","modified_gmt":"2026-08-18T15:01:24","slug":"bug-report-php-deprecated-notices-and-warning","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/bug-report-php-deprecated-notices-and-warning\/","title":{"rendered":"Bug Report: PHP Deprecated Notices and Warning"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I\u2019m seeing several PHP errors\/warnings generated by the current version of the Donation Thermometer plugin on our WordPress site.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The plugin is fully up to date.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The following messages are being recorded in the WordPress debug log:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. PHP Deprecated \u2013 line 18<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>explode(): Passing null to parameter #2 ($string) of type string is deprecated<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">File:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>donation-thermometer\/includes\/therm_widget.php<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Line:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>18<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. PHP Warning \u2013 line 24<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>array_sum(): Addition is not supported on type string<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">File:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>donation-thermometer\/includes\/therm_widget.php<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Line:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>24<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. PHP Deprecated \u2013 line 25<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>explode(): Passing null to parameter #2 ($string) of type string is deprecated<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">File:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>donation-thermometer\/includes\/therm_widget.php<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Line:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>25<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All three messages occur at the same time while the plugin is being used.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The relevant debug-log entries are:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#091;18-Aug-2026 14:39:20 UTC] PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in \/home\/i999o3lb38sr\/public_html\/dev.conejogardens.com\/wp-content\/plugins\/donation-thermometer\/includes\/therm_widget.php on line 18\n\n&#091;18-Aug-2026 14:39:20 UTC] PHP Warning: array_sum(): Addition is not supported on type string in \/home\/i999o3lb38sr\/public_html\/dev.conejogardens.com\/wp-content\/plugins\/donation-thermometer\/includes\/therm_widget.php on line 24\n\n&#091;18-Aug-2026 14:39:20 UTC] PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in \/home\/i999o3lb38sr\/public_html\/dev.conejogardens.com\/wp-content\/plugins\/donation-thermometer\/includes\/therm_widget.php on line 25\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Could you please investigate whether the plugin is passing an unexpected&nbsp;<code>null<\/code>&nbsp;value into&nbsp;<code>explode()<\/code>&nbsp;and\/or a string value into&nbsp;<code>array_sum()<\/code>?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We have not modified the plugin&#8217;s code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Please let me know if you need additional information about the configuration or environment to reproduce the issue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-18996496","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18996496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18996496\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18996496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}