string substring php code example

Example 1: substr() php

<?php
echo substr('abcdef', 1);     // bcdef
echo substr('abcdef', 1, 3);  // bcd
echo substr('abcdef', 0, 4);  // abcd
echo substr('abcdef', 0, 8);  // abcdef
echo substr('abcdef', -1, 1); // f

// Accessing single characters in a string
// can also be achieved using "square brackets"
$string = 'abcdef';
echo $string[0];                 // a
echo $string[3];                 // d
echo $string[strlen($string)-1]; // f

?>

//substr() function returns certain bits of a string

Example 2: php get first character of string

$firstStringCharacter = substr("hello", 0, 1);

Example 3: php get part of string

substr ( $string , $start , $length  );

/**Returns the extracted part of string;
  *or FALSE on failure, or an empty string
  */

Example 4: substr php

<?php
// Return "world" from the string:
echo substr("Hello world", 6);
?>