PHP/String/strlen

Calculating the length of a string

   <source lang="html4strict">

<?php $password="password"; if (strlen($password) <= 5){

   echo("Passwords must be at least 5 characters long.");

} else {

   echo ("Password accepted.");

} ?>

 </source>
   
  

Checking String Length

   <source lang="html4strict">

<?php

 define ("MAXLENGTH", 10);
 if (strlen ("Hello World!") > MAXLENGTH){
   echo "The field you have entered can only be " . MAXLENGTH . " characters in length.";
 } else {
   //Insert the field into the database.
 }

?>

 </source>
   
  

Checking String Length: int strlen ( string string )

   <source lang="html4strict">

<?php define ("MAXLENGTH", 10); if (strlen ("Hello World!") > MAXLENGTH){

   echo "The field you have entered can be only " . MAXLENGTH . " characters in length."; 

} ?>

 </source>
   
  

Concisely checking the length of a trimmed string

   <source lang="html4strict">

<? if (strlen(trim("12345")) != 5) {

   print "Please enter a ZIP code that is 5 characters long.";

} ?>

 </source>
   
  

int strlen ( string str ) returns the number of characters in it:

   <source lang="html4strict">

<?

   print strlen("Foo") . "\n"; // 3
   print strlen("Goodbye, Perl!") . "\n"; // 14

?>

 </source>
   
  

strlen.php

   <source lang="html4strict">

<?php

  $pswd = "secretpswd";
  if (strlen($string) < 10) echo "Password is too short!";

?>

 </source>