Php > Strings

Sub String Replace

Sub String Replace

<?php 
$var = 'ABCDEFGH:/MNRPQR/'; 
echo "Original: $var<hr>\n"; 

/* These two examples replace all of $var with 'bob'. */ 
echo substr_replace($var, 'bob', 0) . "<br>\n"; 
echo substr_replace($var, 'bob', 0, strlen($var)) . "<br>\n"; 

/* Insert 'bob' right at the beginning of $var. */ 
echo substr_replace($var, 'bob', 0, 0) . "<br>\n"; 

/* These next two replace 'MNRPQR' in $var with 'bob'. */ 
echo substr_replace($var, 'bob', 10, -1) . "<br>\n"; 
echo substr_replace($var, 'bob', -7, -1) . "<br>\n"; 

/* Delete 'MNRPQR' from $var. */ 
echo substr_replace($var, '', 10, -1) . "<br>\n"; 
?>