Title: Fatal error: Unknown function: imageantialias() Last modified: August 18, 2016 --- # Fatal error: Unknown function: imageantialias() * [jeffservaas](https://wordpress.org/support/users/jeffservaas/) * (@jeffservaas) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/) * HI everyone * I just upgraded yamasakiot.com/techtalk from WordPress 2.0 to 2.0.3 and now I am having a problem uploading an image while writing a new post. * I get this error message: * Fatal error: Unknown function: imageantialias() in username/public_html/techtalk/ wp-admin/admin-functions.php on line 731 * Line 731 is imageantialias($image, TRUE); * Any ideas what is happening? Viewing 7 replies - 1 through 7 (of 7 total) * [moshu](https://wordpress.org/support/users/moshu/) * (@moshu) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425071) * googling for the keyword (imageantialias) in the error message > first hit = the PHP manual explaining that your php install probably is lacking the GD library. * [viper007bond](https://wordpress.org/support/users/viper007bond/) * (@viper007bond) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425096) * The function is used to create a thumbnail. * The thing is that if your server doesn’t had GD installed, it still shouldn’t make any error messages because it makes sure the function exists first: * ` if (function_exists('imageantialias')) imageantialias($image, TRUE); * Your webhost must have one funky setup (like a 1/2 installed GD module or something). * Thread Starter [jeffservaas](https://wordpress.org/support/users/jeffservaas/) * (@jeffservaas) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425359) * My webhost is using PHP 4.4.2. I have a support request in with my host, and they are looking at it. Maybe they have changed something, or maybe it is since the upgrade to 2.0.3. * Possibly related, I just tried to create a login for them to use and I see another error: * Fatal error: Call to undefined function: http_build_query() in * /home/username/public_html/techtalk/wp-includes/pluggable-functions.php on line 242 * Line 242: $q = http_build_query($_POST); * Do you think they are related? * [viper007bond](https://wordpress.org/support/users/viper007bond/) * (@viper007bond) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425360) * That’s a PHP5-only function, but WP worked fine for me in PHP4, so I assume WP checks to make sure that that function exists before trying to use it. * Your host has one weird install of PHP that perhaps has a weird working `function_exists()` function or something. * [brianbonner](https://wordpress.org/support/users/brianbonner/) * (@brianbonner) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425381) * I am on bluehost and I am having the same problem. I can no longer edit comments. I am using 2.0.3 * MySQL client version: 4.1.18 * Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/ public_html/wp-includes/pluggable-functions.php on line 242 * There are numerous errors in my error log. * Admin log: * /home/uncoope1/public_html/wp-admin/error_log: [24-May-2006 10:37:45] PHP Warning: main(/home/uncoope1/public_html/wp-content/plugins/bad-behavior/bad-behavior/ core.inc.php): failed to open stream: No such file or directory in /home/uncoope1/ public_html/wp-content/plugins/bad-behavior/bad-behavior-wordpress.php on line 157 [24-May-2006 10:37:45] PHP Fatal error: main(): Failed opening required ‘/ home/uncoope1/public_html/wp-content/plugins/bad-behavior/bad-behavior/core.inc. php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/uncoope1/public_html/ wp-content/plugins/bad-behavior/bad-behavior-wordpress.php on line 157 [24-May- 2006 10:38:07] PHP Warning: main(/home/uncoope1/public_html/wp-content/plugins/ bad-behavior/bad-behavior/core.inc.php): failed to open stream: No such file or directory in /home/uncoope1/public_html/wp-content/plugins/bad-behavior/bad- behavior-wordpress.php on line 157 [24-May-2006 10:38:07] PHP Fatal error: main(): Failed opening required ‘/home/uncoope1/public_html/wp-content/plugins/bad-behavior/ bad-behavior/core.inc.php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/uncoope1/public_html/wp-content/plugins/bad-behavior/bad-behavior-wordpress. php on line 157 [24-May-2006 10:40:09] PHP Warning: main(/home/uncoope1/public_html/ wp-content/plugins/bad-behavior/bad-behavior/core.inc.php): failed to open stream: No such file or directory in /home/uncoope1/public_html/wp-content/plugins/bad- behavior/bad-behavior-wordpress.php on line 157 [24-May-2006 10:40:09] PHP Fatal error: main(): Failed opening required ‘/home/uncoope1/public_html/wp-content/ plugins/bad-behavior/bad-behavior/core.inc.php’ (include_path=’.:/usr/lib/php:/ usr/local/lib/php’) in /home/uncoope1/public_html/wp-content/plugins/bad-behavior/ bad-behavior-wordpress.php on line 157 [24-May-2006 10:46:04] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/ enhanced-views.php on line 53 [24-May-2006 12:03:28] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced- views.php on line 53 [24-May-2006 12:55:02] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:00:14] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:00:15] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:08:16] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:08:38] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:13:48] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [24-May-2006 13:15:59] PHP Warning: Invalid argument supplied for foreach() in /home/uncoope1/public_html/wp-content/plugins/enhanced-views. php on line 53 [07-Jul-2006 14:47:46] PHP Fatal error: Call to undefined function: wp_get_current_user() in /home/uncoope1/public_html/wp-admin/admin.php on line 20 [26-Jul-2006 21:33:21] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 26-Jul-2006 21:33:39] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 26-Jul-2006 21:37:58] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 26-Jul-2006 21:40:54] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 26-Jul-2006 21:57:25] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:48:25] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:50:00] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:50:31] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:51:27] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:54:54] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:55:21] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:56:14] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:58:18] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242[ 27-Jul-2006 10:59:39] PHP Fatal error: Call to undefined function: http_build_query() in /home/uncoope1/public_html/wp-includes/pluggable-functions.php on line 242 * Public_html log: [09-Jul-2006 12:04:55] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/wp-content/plugins/podpress/ podpress_class.php on line 237 [09-Jul-2006 12:04:55] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/wp-content/ plugins/podpress/podpress_class.php on line 237 [09-Jul-2006 12:04:56] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/ wp-content/plugins/podpress/podpress_class.php on line 237 [09-Jul-2006 12:04: 56] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/ uncoope1/public_html/wp-content/plugins/podpress/podpress_class.php on line 237[ 09-Jul-2006 12:04:57] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/wp-content/plugins/podpress/podpress_class.php on line 237 [09-Jul-2006 12:04:57] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/wp-content/plugins/podpress/ podpress_class.php on line 237 [09-Jul-2006 12:05:00] PHP Fatal error: Call to undefined function: maybe_create_table() in /home/uncoope1/public_html/wp-content/ plugins/podpress/podpress_class.php on line 237 [09-Jul-2006 12:05:02] PHP Fatal error: Call to undefined function: podpress_maybe_create_table() in /home/uncoope1/ public_html/wp-content/plugins/podpress/podpress_class.php on line 238 [09-Jul- 2006 12:05:03] PHP Fatal error: Call to undefined function: podpress_maybe_create_table() in /home/uncoope1/public_html/wp-content/plugins/podpress/podpress_class.php on line 238 [09-Jul-2006 12:05:03] PHP Fatal error: Call to undefined function: podpress_maybe_create_table() in /home/uncoope1/public_html/wp-content/plugins/ podpress/podpress_class.php on line 238 [09-Jul-2006 12:05:04] PHP Fatal error: Call to undefined function: podpress_maybe_create_table() in /home/uncoope1/public_html/ wp-content/plugins/podpress/podpress_class.php on line 238 [11-Jul-2006 05:44: 49] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/ wp-includes/functions.php on line 1660 [12-Jul-2006 10:00:40] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions. php on line 1660 [13-Jul-2006 07:05:58] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions.php on line 1660 [13- Jul-2006 10:13:39] PHP Fatal error: Call to undefined function: get() in /home/ uncoope1/public_html/wp-includes/functions.php on line 1660 [13-Jul-2006 16:41: 46] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/ wp-includes/functions.php on line 1660 [13-Jul-2006 17:53:40] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions. php on line 1660 [13-Jul-2006 21:53:54] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions.php on line 1660 [14- Jul-2006 16:46:38] PHP Fatal error: Call to undefined function: get() in /home/ uncoope1/public_html/wp-includes/functions.php on line 1660 [17-Jul-2006 14:35: 26] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/ wp-includes/functions.php on line 1660 [19-Jul-2006 13:18:32] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions. php on line 1660 [21-Jul-2006 09:04:16] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions.php on line 1660 [21- Jul-2006 13:33:55] PHP Fatal error: Call to undefined function: get() in /home/ uncoope1/public_html/wp-includes/functions.php on line 1660 [21-Jul-2006 22:02: 29] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/ wp-includes/functions.php on line 1660 [22-Jul-2006 15:02:55] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions. php on line 1660 [22-Jul-2006 15:46:50] PHP Fatal error: Call to undefined function: get() in /home/uncoope1/public_html/wp-includes/functions.php on line 1660 [23- Jul-2006 15:49:33] PHP Fatal error: Call to undefined function: get() in /home/ uncoope1/public_html/wp-includes/functions.php on line 1660 [27-Jul-2006 10:51: 05] PHP Fatal error: Call to undefined function: jal_comment_content() in /home/ uncoope1/public_html/wp-content/themes/uncooperativeblogger/comments.php on line 96 [27-Jul-2006 10:51:33] PHP Fatal error: Call to undefined function: jal_comment_content() in /home/uncoope1/public_html/wp-content/themes/uncooperativeblogger/comments. php on line 96 [27-Jul-2006 10:51:43] PHP Fatal error: Call to undefined function: jal_comment_content() in /home/uncoope1/public_html/wp-content/themes/uncooperativeblogger/ comments.php on line 96 * Thread Starter [jeffservaas](https://wordpress.org/support/users/jeffservaas/) * (@jeffservaas) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425400) * My host changed something in post.php and it is working again now. * [brianbonner](https://wordpress.org/support/users/brianbonner/) * (@brianbonner) * [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425439) * Can you tell me what was changed, my host, blue host, does not support wordpress. Viewing 7 replies - 1 through 7 (of 7 total) The topic ‘Fatal error: Unknown function: imageantialias()’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 7 replies * 4 participants * Last reply from: [brianbonner](https://wordpress.org/support/users/brianbonner/) * Last activity: [19 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-unknown-function-imageantialias/#post-425439) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics