PHP dynamic bar chart ultimate version, php bar chart ultimate version _ PHP Tutorial

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This article provides an example of PHP's ultimate version for implementing dynamic bar charts. Share it with you for your reference. The specific analysis is as follows:

I have already written about the principle of making only dynamic column charts. Because there was a new demand yesterday afternoon, I modified it again this morning and displayed the data in the table according to the number.

The following code is pasted out to facilitate future display. The idea is just a spark. today I want to do this, and I don't have to think about it next time, therefore, writing notes is a good form.

<? Php // calculate the function last_month_today ($ time) {$ last_month_time = mktime (date ("G", $ time), date ("I ", $ time), date ("s", $ time), date ("n", $ time), 0, date ("Y", $ time )); $ last_month_t = date ("t", $ last_month_time); if ($ last_month_t <date ("j", $ time) {return date ("Y-m-t H: i: s ", $ last_month_time);} return date (" Y-m ", $ last_month_time ). "-d", $ time) ;}?> <? Php include dirname (_ FILE __))). '/config. php '; $ endDate = date ('Y-m-D'); $ date = strtotime ($ endDate); $ beginDate = last_month_today ($ date ); $ SQL = 'SELECT count (*) from newpro where p_date> \''. $ beginDate. '\' and p_date <\''. $ endDate. '\ '''; $ d = db ()-> query ($ SQL)-> fetch (PDO: FETCH_NUM); $ sql2 = $ SQL. 'and is_pa_check_first = 1 and is_pa_check_second = 1 and is_pa_check_third = 1'; $ D2 = db ()-> query ($ sql2)-> fetch (PDO: FETCH_NUM); $ sql3 = $ SQL. 'and is_pa_check_first = 1'; $ d3 = db ()-> query ($ sql3)-> fetch (PDO: FETCH_NUM); $ sql4 = $ SQL. 'and is_pa_check_first = 1 and is_pa_check_second = 1'; $ d4 = db ()-> query ($ sql4)-> fetch (PDO: FETCH_NUM ); // query the situation where each person passes the review: $ sqlab = 'SELECT d_m, sum (sroce) as total_score, count (d_m) as total_number from newpro where is_pa_check_first = 1 and is_pa_c Heck_second = 1 and is_pa_check_third = 1 group by d_m'; $ row = db ()-> query ($ sqlab)-> fetchAll (PDO: FETCH_ASSOC);?>