How to determine whether the time format is in php

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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