Title: PHP Warning in optimize.cls.php Last modified: November 4, 2020 --- # PHP Warning in optimize.cls.php * Resolved [nir0ma](https://wordpress.org/support/users/nir0ma/) * (@nir0ma) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/) * Hi, * I’m running litespeed cache v3.5.2 and I’ve got these warnings in litespeed-toolbox# log_viewer : * PHP Warning: strpos() expects parameter 1 to be string, array given in wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 231 * PHP Warning: strpos() expects parameter 1 to be string, array given in wp-content/ plugins/litespeed-cache/src/optimize.cls.php on line 227 * EDIT : Also got this notice : Array to string conversion in wp-content/plugins/ litespeed-cache/src/css.cls.php on line 390 * Have a nice day ! - This topic was modified 5 years, 6 months ago by [nir0ma](https://wordpress.org/support/users/nir0ma/). Viewing 9 replies - 1 through 9 (of 9 total) * [florinb1](https://wordpress.org/support/users/aventurescu/) * (@aventurescu) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13623266) * Hi, * Same issue here. * [05-Nov-2020 07:38:42 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /wp-content/plugins/litespeed-cache/src/optimize. cls.php on line 227 [05-Nov-2020 07:38:42 Europe/Bucharest] PHP Warning: strpos() expects parameter 1 to be string, array given in /wp-content/plugins/litespeed- cache/src/optimize.cls.php on line 231 * THanks * Plugin Support [Hai Zheng⚡](https://wordpress.org/support/users/hailite/) * (@hailite) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13626497) * Are you able to reproduce it? * [jonas8686](https://wordpress.org/support/users/jonas8686/) * (@jonas8686) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13638329) * Hi, Same issue here… (WP:5.5.3 PHP:7.4) [09-Nov-2020 10:56:20 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/site/public_html/ wp-content/plugins/litespeed-cache/src/utility.cls.php on line 707 [09-Nov-2020 10:56:20 UTC] PHP Warning: parse_url() expects parameter 1 to be string, array given in /home/site/public_html/wp-content/plugins/litespeed-cache/src/css.cls. php on line 388 [09-Nov-2020 10:56:20 UTC] PHP Warning: substr() expects parameter 1 to be string, array given in /home/site/public_html/wp-content/plugins/litespeed- cache/src/css.cls.php on line 391 * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13641455) * Hi, * could you please edit this file * /home/site/public_html/wp-content/plugins/litespeed-cache/src/utility.cls.php * on line 707, you will see * $url_parsed = parse_url( $url ); * please add this line ABOVE it * error_log($url,3,”/home/site/public_html/lscwp.log”); * then reproduce that error , and see what content is logged into lscwp.log ? * Best regards, * Thread Starter [nir0ma](https://wordpress.org/support/users/nir0ma/) * (@nir0ma) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13643348) * Hi, Here is the log : * ``` https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js https://domain.com/wp-content/themes/themename/custom.js https://c0.wp.com/p/jetpack/9.0.2/_inc/build/photon/photon.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/wp-embed.min.js https://c0.wp.com/c/5.5.3/wp-includes/js/comment-reply.min.js ``` * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13646625) * Hi, * well , sorry , the log is bit of mess and hard to determinate which round was it * please change * `error_log($url,3,"/home/site/public_html/lscwp.log");` * to * ``` error_log("start\n",3,"/home/site/public_html/lscwp.log"); error_log($url,3,"/home/site/public_html/lscwp.log"); error_log("\nend",3,"/home/site/public_html/lscwp.log"); ``` * clean up current lscwp.log file and repeat the process * Best regards, * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13680087) * 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. * Best regards, * [Alex Kladov](https://wordpress.org/support/users/prowebassist/) * (@prowebassist) * [5 years, 6 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13721842) * I’ve got the same errors being logged over and over too: * ``` [29-Nov-2020 12:30:24 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/website/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 227 [29-Nov-2020 12:30:24 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/website/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 227 [29-Nov-2020 12:30:24 UTC] PHP Warning: strpos() expects parameter 1 to be string, array given in /home/website/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php on line 231 ``` * Running PHP v7.4, WP v5.5.3 & LiteSpeed Cache v3.5.2 * [florinb1](https://wordpress.org/support/users/aventurescu/) * (@aventurescu) * [5 years, 4 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13908753) * Same error here Viewing 9 replies - 1 through 9 (of 9 total) The topic ‘PHP Warning in optimize.cls.php’ 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/) * 9 replies * 6 participants * Last reply from: [florinb1](https://wordpress.org/support/users/aventurescu/) * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/php-warning-in-optimize-cls-php/#post-13908753) * Status: resolved