Title: Litespeed Cache PHP warnings Last modified: January 2, 2021 --- # Litespeed Cache PHP warnings * Resolved [WriterCJ](https://wordpress.org/support/users/calvin141170/) * (@calvin141170) * [5 years, 5 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/) * Hi, * Noticing a lot of PHP warnings generated by Litespeed Cache in the Error Logs generated by the BPS Pro Security Plugin — here’s a sample from the log on 30 December. * [BPS Pro htaccess Protected Secure PHP Error Log] * [30-Dec-2020 14:22:19 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/litespeed- cache/src/optimize.cls.php on line 228 [30-Dec-2020 14:22:19 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife. com/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 232 [30-Dec-2020 14:22:19 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/ litespeed-cache/src/utility.cls.php on line 707 [30-Dec-2020 14:22:19 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife. com/public_html/wp-content/plugins/litespeed-cache/src/css.cls.php on line 388[ 30-Dec-2020 14:22:19 UTC] PHP Warning: substr() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/litespeed- cache/src/css.cls.php on line 391 [30-Dec-2020 14:22:19 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/ wp-includes/class-http.php on line 272 [30-Dec-2020 14:22:30 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife. com/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 228 [30-Dec-2020 14:22:30 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/ litespeed-cache/src/optimize.cls.php on line 232 [30-Dec-2020 14:22:30 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife. com/public_html/wp-content/plugins/litespeed-cache/src/utility.cls.php on line 707 [30-Dec-2020 14:22:30 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/ litespeed-cache/src/css.cls.php on line 388 [30-Dec-2020 14:22:30 UTC] PHP Warning: substr() expects parameter 1 to be string, array given in /home/irelandswildlife. com/public_html/wp-content/plugins/litespeed-cache/src/css.cls.php on line 391[ 30-Dec-2020 14:22:30 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-includes/class- http.php on line 272 [30-Dec-2020 14:22:57 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/ wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 228 [30-Dec-2020 14:22:57 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/litespeed-cache/ src/optimize.cls.php on line 232 [30-Dec-2020 14:22:57 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/ wp-content/plugins/litespeed-cache/src/utility.cls.php on line 707 [30-Dec-2020 14:22:57 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/wp-content/plugins/litespeed- cache/src/css.cls.php on line 388 [30-Dec-2020 14:22:57 UTC] PHP Warning: substr() expects parameter 1 to be string, array given in /home/irelandswildlife.com/public_html/ wp-content/plugins/litespeed-cache/src/css.cls.php on line 391 * Everything seems to be working properly, but would still rather not see these errors. * Thanks Viewing 6 replies - 1 through 6 (of 6 total) * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 5 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13857114) * Hi, * please try this : * edit file /home/irelandswildlife.com/public_html/wp-content/plugins/litespeed- cache/src/optimize.cls.php on line 229-232 , you will see a block * ``` $basename = basename( $filename ); if ( preg_match( '|[-\.]min\.(?:[a-zA-Z]+)$|i', $basename ) ) { return true; } ``` * change it to * ``` error_log("\nstart-mark\n","3","/home/irelandswildlife.com/public_html/lscwp.log"); error_log($filename,"3","/home/irelandswildlife.com/public_html/lscwp.log"); error_log("\nend-mark\n","3","/home/irelandswildlife.com/public_html/lscwp.log"); $basename = basename( $filename ); if ( preg_match( '|[-\.]min\.(?:[a-zA-Z]+)$|i', $basename ) ) { return true; } ``` * then when that error happens again , post the content of /home/irelandswildlife. com/public_html/lscwp.log * Best regards, - This reply was modified 5 years, 5 months ago by [qtwrk](https://wordpress.org/support/users/qtwrk/). * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 5 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13859374) * no , sorry , my bad , please edit that file * change line 228-230 * ``` if ( strpos( $src, '_litespeed_rm_qs=0' ) || strpos( $src, '/recaptcha' ) ) { return $src; } ``` * to * ``` error_log("\nstart-mark\n","3","/home/irelandswildlife.com/public_html/lscwp.log"); error_log($src,"3","/home/irelandswildlife.com/public_html/lscwp.log"); error_log("\nend-mark\n","3","/home/irelandswildlife.com/public_html/lscwp.log"); if ( strpos( $src, '_litespeed_rm_qs=0' ) || strpos( $src, '/recaptcha' ) ) { return $src; } ``` * [florinb1](https://wordpress.org/support/users/aventurescu/) * (@aventurescu) * [5 years, 5 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13888135) * Hi, qtwrk, * I can confirm above errors, as Calvin mentioned. * I tried the above tweaks that you shown and did not worked. Same errors. Any ideas? * Thanks, Florin * [10-Jan-2021 16:01:57 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be stri[10-Jan-2021 16:01:57 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/ litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:01:57 Europe/ Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls. php on line 228 [10-Jan-2021 16:01:57 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 232 [10-Jan-2021 16:03:02 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 228 [10-Jan-2021 16:03:02 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:03:02 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 232 [10-Jan-2021 16:03:09 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:03:09 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 228 [10-Jan-2021 16:03:09 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 232 [10-Jan-2021 16:03:14 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 228 [10-Jan-2021 16:03:14 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:03:14 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 232 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 228 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 232 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 228 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 228 [10-Jan-2021 16:03:25 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/avent/public_html/wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 232 - This reply was modified 5 years, 5 months ago by [florinb1](https://wordpress.org/support/users/aventurescu/). - This reply was modified 5 years, 5 months ago by [florinb1](https://wordpress.org/support/users/aventurescu/). * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 5 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13888610) * Hi, * [@aventurescu](https://wordpress.org/support/users/aventurescu/) * that is not a fix, but a code to log out more information for us to analyze * and I would like to ask you to create your own topic for your issue 🙂 * Best regards, * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 4 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13919759) * Hi, * I’m going to mark this topic “Resolved”, due to lack of activity. * If you still need help, please feel free to re-open it. * When re-open it, please also change the topic status to “not solved” * Best regards, * [sumoboy](https://wordpress.org/support/users/sumoboy/) * (@sumoboy) * [5 years, 4 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13929988) * I ran into the same issue, added the debug code as mentioned with output below. The temporary fix was disabling Page Optimization -> JS Settings -> JS Combine which suppressed the error messages, looks the last log entry was empty which I’d suspect is the generating the error. ————- * start-mark [https://www.xyz.com/wp-includes/js/wp-embed.min.js?ver=5.6](https://www.xyz.com/wp-includes/js/wp-embed.min.js?ver=5.6) end-mark * start-mark [https://www.xyz.com/wp-content/plugins/facetwp/assets/js/dist/front.min.js?ver=3.7.1](https://www.xyz.com/wp-content/plugins/facetwp/assets/js/dist/front.min.js?ver=3.7.1) end-mark * start-mark [https://www.xyz.com/wp-content/plugins/facetwp-submit/facetwp-submit.js?ver=3.7.1](https://www.xyz.com/wp-content/plugins/facetwp-submit/facetwp-submit.js?ver=3.7.1) end-mark * start-mark * end-mark Viewing 6 replies - 1 through 6 (of 6 total) The topic ‘Litespeed Cache PHP warnings’ is closed to new replies. * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181) * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/litespeed-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/litespeed-cache/) * [Active Topics](https://wordpress.org/support/plugin/litespeed-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/litespeed-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/litespeed-cache/reviews/) * 6 replies * 4 participants * Last reply from: [sumoboy](https://wordpress.org/support/users/sumoboy/) * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/litespeed-cache-php-warnings/#post-13929988) * Status: resolved