Overflow-how to get the real value of the PHP floating point type? 1.5265646464633E + 21

Every time PHP exports a csv value, the end of the number is E + a number. {Code...} How can PHP reverse the float string to the original value? {Code...} Every time PHP exports a csv file, the end of the number is E +.

$ S = 1526564646463333565222; echo $ s; // 1.5265646464633E + 21

How can PHP reverse the float string to the original value?

Function getTrueValue ($ str) {// @ todo} $ str = '1. 5265646464633E + 21 ';

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Every time PHP exports a csv value, the end of the number is E + a number.

$ S = 1526564646463333565222; echo $ s; // 1.5265646464633E + 21

How can PHP reverse the float string to the original value?

Function getTrueValue ($ str) {// @ todo} $ str = '1. 5265646464633E + 21 ';

UseSprintfOrNumber_format

$ S = 1526564646463333565222; printf ("%. 0f", $ s); echo "\ r \ n"; echo number_format ($ s, 0 ,'','');