Loading issues on wpengine

We’ve had issues with the theme load speed on our hosting with wpengine. This is what they said.

One issue that looks to be a primary concern is that your Theme is seen as a “memory hog” on our system…
PROBLEM: Memory Hog
This line of code took 6ms and allocated 256KB of memory.
Original cause was a theme, in /wp-content/themes/enfold/includes/admin/register-admin-options.php:110
Specific culprit is function substr($p[‘func’],0,60), in /wp-content/themes/enfold/includes/admin/register-admin-options.php:110

Full stack trace, with the culprit at the top:

#11 – /wp-content/themes/enfold/includes/admin/register-admin-options.php:110
#10 – /wp-content/themes/enfold/framework/php/class-superobject.php:116
#9 – /wp-content/themes/enfold/framework/php/class-superobject.php:86
#8 – /wp-content/themes/enfold/framework/avia_framework.php:97
#7 – /wp-content/themes/enfold/functions.php:77
#6 – /wp-settings.php:323
#5 – /wp-config.php:138
#4 – /wp-load.php:29
#3 – /wp-blog-header.php:12
#2 – /index.php:17
#1 – /index.php:0
and
PROBLEM: Memory Hog
This line of code took 18ms and allocated 112KB of memory.
Original cause was a theme, in /wp-content/themes/enfold/css/dynamic-css.php:709
Specific culprit is function substr($p[‘func’],0,60), in /wp-content/themes/enfold/css/dynamic-css.php:709

Full stack trace, with the culprit at the top:

#11 – /wp-content/themes/enfold/css/dynamic-css.php:709
#10 – /wp-content/themes/enfold/includes/admin/register-dynamic-styles.php:122
#9 – /wp-content/themes/enfold/functions.php:410
#8 – /wp-includes/plugin.php:0
#7 – /wp-includes/plugin.php:429
#6 – /wp-settings.php:347
#5 – /wp-config.php:138
#4 – /wp-load.php:29
#3 – /wp-blog-header.php:12
#2 – /index.php:17
#1 – /index.php:0