¿Por qué usamos strtotime?

Why we use strtotime?

The strtotime() function is a built-in function in PHP which is used to convert an English textual date-time description to a UNIX timestamp. The function accepts a string parameter in English which represents the description of date-time. For e.g., “now” refers to the current date in English date-time description.

PHP strtotime() function returns a timestamp value for the given date string. Incase of failure, this function returns the boolean value false.

To get the time difference in a single time unit (hours ,minutes or seconds), you can perform the following calculations. Total minutes between two times: To calculate the minutes between two times, multiply the time difference by 1440, which is the number of minutes in one day (24 hours * 60 minutes = 1440).

This parameter is required or mandatory, parameter Specifies the English textual date-time description which represents the date/time to return us the time in seconds and the function parses the string. A parameter is optional, specifies the timestamp used as a base for the calculation of relative dates.

The strtotime() function parses an English textual datetime into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT). Note: If the year is specified in a two-digit format, values between 0-69 are mapped to 2000-2069 and values between 70-100 are mapped to 1970-2000.

Note: Be aware of dates in the m/d/y or d-m-y formats; if the separator is a slash (/), then the American m/d/y is assumed. If the separator is a dash (-) or a dot (.), then the European d-m-y format is assumed. To avoid potential errors, you should YYYY-MM-DD dates or date_create_from_format () when possible. Required.

Therefore strtotime (‘@-1000’) returns 1000 seconds before the epoch. Hope this helps. One important thing you should remember is that the timestamp value returned by time () is time-zone agnostic and gets the number of seconds since 1 January 1970 at 00:00:00 UTC.