How PHP determines whether it is a time format: You can determine it through the strtotime() function. The syntax of the strtotime() function is: [int strtotime (string $time [,int $now = time()])]. If successful, the timestamp will be returned. If failed, FALSE will be returned.
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How to determine whether it is a time format in php:
You can use the strtotime function to determine whether it is a time format
function isDateTime($dateTime){ $ret = strtotime($dateTime); return $ret !== FALSE && $ret != -1; }
strtotime function usage is as follows:
strtotime parses the date and time description of any English text into a Unix timestamp
int strtotime ( string $time [, int $now = time() ] )
This function is expected to accept a string containing the United States A string in English date format and attempts to parse it into a Unix timestamp (number of seconds since January 1 1970 00:00:00 GMT) relative to the time given by the now parameter, or if this parameter is not provided. The current system time.
time: date/time string
now: timestamp used to calculate the return value
Return value:
Returns the timestamp if successful, otherwise returns FALSE; before PHP 5.1.0, this function returned -1 on failure.
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