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This article mainly introduces the comparison of PHP strings, which has certain reference value. Now I share it with everyone. Friends in need can refer to it
int strcmp( string $str1 , string $str2 )
Pay attention to the comparisonDifferentiate sizeWrite.
Parameters
str1The first string.
str2The second string.
Return value
If str1 is less than str2, return a negative number; if str1 is greater than str2 , returns a positive number; if they are equal, 0 is returned. (Returns 0 if equal)
Example:
<?php
$var1="Hello";
$var2="Hello";
if(strcmp($var1,$var2)==0)
{echo'相等';
}
else {
echo'不相等';
}
?>strcasecmp —Binary safe comparison of strings (case insensitive)
int strcasecmp(string$str1,string$str2)
Return value: If str1 is less than str2, return d080f09270cf355b72114226f9621e90 0; if they are equal, return 0. str1
The first string.
str2
The second string.
Example:
<?php
$var1="Hello";
$var2="hello";
if(strcasecmp($var1,$var2)==0){
echo'$var1isequalto$var2inacase-insensitivestringcomparison';
}
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