<?php
//str_replace("Original Value", "Value to be replaced", "String");
$result = str_replace("1", "2", "This is number 1");
// Output: This is number 2
?>
# for replace someting in string use this function
# str_replace("1st param for select","2nd param for replace with","3rd your string")
<?php
$string = str_replace(" ", "_", "Hello World");
// Output will be : Hello_world
?>
phpCopy<?php
$mystring = "This is my string.";
echo("This is the string before replacement: ");
echo($mystring);
echo("
");
$mynewstring = str_replace(" my ", " ", $mystring);
echo("Now, this is the string after replacement: ");
echo($mynewstring);
?>
<?php
$string = str_ireplace("FoX", "CAT", "the quick brown fox jumps over the lazy dog");
echo $string; // the quick brown CAT jumps over the lazy dog
?>
phpCopy<?php
$mystring = "This is my string.";
echo("This is the string before replacement: ");
echo($mystring);
echo("
");
$mynewstring = str_replace(" my ", " ", $mystring, $count);
echo("Now, this is the string after replacement: ");
echo($mynewstring);
echo("
");
echo("The number of replacements is: ");
echo($count);
?>