+function custom_init() {
+ add_action( 'shutdown', 'custom_fatal_error_interceptor' );
+ // Do something that might cause a fatal error
+ remove_action( 'shutdown', 'custom_fatal_error_interceptor' );
+add_action( 'init', 'custom_init' );
+function custom_fatal_error_interceptor() {
+ // Get the last PHP error details
+ $error = error_get_last();
+ if( $error !== null ) {
+ if ( substr( $error['message'], 0, 22 ) === 'Maximum execution time' ) {
+ // Friendly e-mail to WordPress site administrator about long processes
+ } elseif ( substr( $error['message'], 0, 19 ) === 'Allowed memory size' ) {
+ // Friendly e-mail about memory restriction
+ } else if( $error['type'] === E_ERROR ) {
+ // Check for other types of fatal errors
+ if( substr( $error['message'], 0, 36 ) == "Cannot access protected property WC_" ) {
+ // Friendly e-mail about WooCommerce 3.0 incompatibility
+ // Check for known Plugin conflicts...
+ // Check for missing Plugin resources...
+ // Check for common issues where the reason for the fatal error can be established from the error message provided to us by error_get_last()
