Examples of string comparison functions commonly used in PHP strcmp () are explained

int strcmp (String $str 1, String $str 2)

Compare in binary mode
Case-sensitive when compared to this function
The return value if STR1 is less than str2 returns <0 if STR1 is greater than str2 returns >0 if the two equals return 0.

<?PHP$STR1 = "Hello World";//$STR 1 equals the value of $str3 $str2 = "Hello World"; $str 3 = "Hello World";//$STR 1 is equal to the value of $STR3 echo strcmp ( $str 1, $str 2);//Output 1echo strcmp ($str 2, $str 1);//Output -1echo strcmp ($str 1, $str 3);//Output 0?>

There is also a function strcasecmp (), the usage is similar to the strcmp (), but is not case-insensitive, here no longer wordy

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Examples of string comparison functions commonly used in PHP strcmp () are explained