Differences

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--- rfc:strncmpnegativelen [2011/08/14 14:41] – laruence
+++ rfc:strncmpnegativelen [2011/08/14 15:02] – [Introduction] laruence
@@ Line 22: / Line 22: @@
 </code>
-but we know substr supports a negative length as its parameter:
+We need to write some codes like following one to make it works as expect:
 <code php>
 <?php
-   echo substr("test", 0, -1);
+   if (strncmp(substr("prefix_num", -3, 3), "num", 3) === 0) {
+        echo "they have same suffix\n";
+   }
+?>
 </code>