php比较两个字符串长度的方法_php技巧

这段代码计算两个字符串的长度，然后计算其差值

<?php 
// This will return a number of how many more characters the longest string has 
function str_compare_length($str1, $str2){ 
  $len1 = strlen($str1); 
  $len2 = strlen($str2); 
  return abs($len1 - $len2); 
} 
echo str_compare_length("This is the first string", "This is the second string"); 
?>

希望本文所述对大家的php程序设计有所帮助。