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String Length, Array in PHP

  1. Forget Code
  2. PHP
  3. String Length, Array 
  1. <?php
  2. echo strlen("Hello world!");
  3.  
  4. $a[] = {'one', 'two', 'three', 'four'};
  5.  
  6. for($i = 0;$i<4;$i++)
  7.     echo $a[$i] ;
  8. ?>
  9. // even you can use html inside the double quotes