I’m not aware of any problems with PHP 5.4, but I can check into it. I have 5.4.4 on my dev box. Please turn on debugging and post the debugging information from the EWWW IO settings page.
Apologies for my massive delay in responding.
EWWW IO version: 201
WP version: 4.0
ewww_image_optimizer_admin_init()
ewww_image_optimizer_init()
ewww_image_optimizer_cloud_init()
ewww_image_optimizer_exec_init()
ewww_image_optimizer_install_tools()
Checking/Installing tools in /home/[removed]/public_html/wp-content/ewww/
wp-content/ewww permissions: 0755
ewww_image_optimizer_install_paths()
CPU architecture: x86_64
generated paths:
/home/[removed]/public_html/wp-content/plugins/ewww-image-optimizer/jpegtran-linux64
/home/[removed]/public_html/wp-content/plugins/ewww-image-optimizer/optipng-linux
/home/[removed]/public_html/wp-content/plugins/ewww-image-optimizer/gifsicle-linux
/home/[removed]/public_html/wp-content/plugins/ewww-image-optimizer/pngquant-linux
/home/[removed]/public_html/wp-content/plugins/ewww-image-optimizer/cwebp-linux864
/home/[removed]/public_html/wp-content/ewww/jpegtran
/home/[removed]/public_html/wp-content/ewww/optipng
/home/[removed]/public_html/wp-content/ewww/gifsicle
/home/[removed]/public_html/wp-content/ewww/pngquant
/home/[removed]/public_html/wp-content/ewww/cwebp
64-bit linux detected while installing tools
ewww_image_optimizer_md5check()
/home/[removed]/public_html/wp-content/ewww/jpegtran-alt: 8e4a09bb04ba001f5f16651ae8594f7f
ewww_image_optimizer_md5check()
/home/[removed]/public_html/wp-content/ewww/cwebp-alt: eb3a5b6eae54140269ed6dcf6f792d37
Linux/UNIX style OS, checking permissions
jpegtran permissions: 0755
gifsicle permissions: 0755
optipng permissions: 0755
pngquant permissions: 0755
webp permissions: 0755
ewww_image_optimizer_settings_script()
images to check for savings: 49334
ewww_image_optimizer_notice_utils()
ewww_image_optimizer_exec_check()
disable_functions = show_source, system, shell_exec, passthru, exec, popen, proc_open, allow_url_fopen
suhosin_blacklist =
ewww_image_optimizer_disable_tools()
ewww_image_optimizer_options()
ewww_image_optimizer_jpg_background()
ewww_image_optimizer_jpg_background()
ewww_image_optimizer_jpg_quality()
My php.ini
disable_functions = show_source, passthru, popen, proc_open, allow_url_fopen
memory_limit = 64M
max_execution_time = 30
max_input_time = 60
upload_max_filesize = 24M
post_max_size = 24M
extension_dir = “/usr/local/lib/php/extensions/no-debug-non-zts-20100525”
realpath_cache_size = 16K
realpath_cache_ttl = 120
zend_extension = “/usr/local/IonCube/ioncube_loader_lin_5.4.so”
zend_extension = “/usr/local/Zend/lib/Guard-6.0.0/php-5.4.x/ZendGuardLoader.so”
I would ask your webhost why your settings are not overriding their defaults. As you can see in the debug info, php is running with exec() disabled, even though you don’t have it listed in your disable_functions setting.
One thing you can do to get more information on what php is doing is to create a file named test.php in your web/http folder with this code, and then browse to it:
<?php phpinfo(); ?>
If your webhost isn’t helpful, and you’re still stuck, post a link back here to that test.php file and who your webhost is, and I’ll see if I can glean any more information from that.
