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<?php $date = '1990-12-31'; $today = date("Y/m/d"); var_dump( $date, $today, (int) $date, (int) $today, $today - $date );
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: A non-numeric value encountered in /in/qskMD on line 11 Warning: A non-numeric value encountered in /in/qskMD on line 11 string(10) "1990-12-31" string(10) "2017/07/28" int(1990) int(2017) int(27)
Output for 8.0.13
Warning: A non-numeric value encountered in /in/qskMD on line 11 Warning: A non-numeric value encountered in /in/qskMD on line 11 string(10) "1990-12-31" string(10) "2017/07/27" int(1990) int(2017) int(27)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/qskMD on line 11 Notice: A non well formed numeric value encountered in /in/qskMD on line 11 string(10) "1990-12-31" string(10) "2017/07/28" int(1990) int(2017) int(27)
Output for 7.3.32 - 7.3.33
string(10) "1990-12-31" string(10) "2017/07/27" int(1990) int(2017) int(27)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
string(10) "1990-12-31" string(10) "2017/07/28" int(1990) int(2017) int(27)

preferences:
97.88 ms | 1987 KiB | 4 Q