Online PHP editor | perf for SZsER

<?php $timestamp = "201511"; $username= "ryan"; $password= "12345"; $SQL_query = <<<EOT SELECT reg_id as ID, what_mach_op, address, farm_breeding_mating, farm_calve, farm_drenching, farm_feed_req, farm_detect_treat_lame, farm_detect_treat_mast, if(isnull(date_begin) || year(date_begin)<=1970, null, Date_format(date_begin, '%d/%m/%Y')) as begin_date, if(isnull(date_finish) || year(date_finish)<=1970, null, Date_format(date_finish, '%d/%m/%Y')) as finish_date, country_birth, farm_calf_health, EmployeeClientNo, country_app, num_dep, if(isnull(date_birth) || year(date_birth)<=1970, null, Date_format(date_birth, '%d/%m/%Y')) as birth_date, drv_lic_n_proj_exp, email, lvl_eng, gather_exp, first_name, full_name, sex, health_prob, height, last_name, farm_mach_maint, farm_drive_motor, farm_drive_quad, farm_drv_tractor, farm_wagon, marital_status, farm_milking_herr, farm_milking_rot, farm_shed_setup, mobile_phone, nation, if(isnull(date_pass) || year(date_pass)<=1970, null, Date_format(date_pass, '%d/%m/%Y')) as expire_date, farm_fencing, farm_hay, farm_weed, list_qual, home_phone, job_position, pref_name, emplo_det, emplo_as, emplo_ref1_comp, emplo_ref1_contact, emplo_ref1_name, emplo_ref1_pos, emplo_ref2_company, emplo_ref2_contact, emplo_ref2_name, emplo_ref2_pos, emplo_contact_them, weight, facebook, skype, up_photo, up_cv, if(isnull(data_created) || year(data_created)<=1970, null, DATE_FORMAT(data_created, '%d/%m/%Y %h:%i%:%s')) as DateCreated, if(isnull(data_created) || year(data_created)<=1970, null, DATE_FORMAT(data_created, '%Y%m')) as TimeStamp FROM $tbl_name WHERE length(EmployeeClientNo) > '1' AND TimeStamp = $timestamp AND area = 'Farming' "; EOT; $SQL_query

Version	System time (s)	User time (s)	Memory (MiB)
5.6.15	0.010	0.063	18.19
5.6.14	0.007	0.070	18.13
5.6.13	0.013	0.077	18.18
5.6.12	0.010	0.080	21.05
5.6.11	0.000	0.067	20.98
5.6.10	0.010	0.080	21.11
5.6.9	0.013	0.080	20.94
5.6.8	0.013	0.033	20.33
5.5.30	0.007	0.053	17.91
5.5.29	0.003	0.047	17.95
5.5.28	0.017	0.077	20.88
5.5.27	0.000	0.050	20.84
5.5.26	0.010	0.077	20.89
5.5.25	0.013	0.060	20.75
5.5.24	0.023	0.073	20.36