php replace sting code example
Example 1: php replace
str_replace ($search, $replace, $subject);
Example 2: str_replace php variable
$var1 = 'hello_john';
$var2 = str_replace("_", "-", $var1);
echo $var2;
Example 3: php substr_replace
<?php
$var = 'ABCDEFGH:/MNRPQR/';
echo "Original: $var<hr />\n";
echo substr_replace($var, 'bob', 0) . "<br />\n";
echo substr_replace($var, 'bob', 0, strlen($var)) . "<br />\n";
echo substr_replace($var, 'bob', 0, 0) . "<br />\n";
echo substr_replace($var, 'bob', 10, -1) . "<br />\n";
echo substr_replace($var, 'bob', -7, -1) . "<br />\n";
echo substr_replace($var, '', 10, -1) . "<br />\n";
?>