The strcmp () function compares two strings. Strcmp syntax: & nbsp; strcmp (string1, string2) parameters & nbsp; description string1 & nbsp; & nbsp; required. Specifies the first string to be compared. The string2 & nbsp; & n strcmp () function compares two strings.
Strcmp syntax:
Strcmp (string1, string2)
Parameter description
String1 is required. Specifies the first string to be compared.
String2 is required. Specifies the second string to be compared.
This function returns:
If the two strings are equal <0-if string1 is smaller than string2> 0-if string1 is greater than string2
Instance: use strcmp to determine whether the data belongs to a certain day (subject to the ceiling)
Strcmp (date (Y-m-d, $ user-> last_time), date ("Y-m-d", time () = 0
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