080 - String:Replace
Hello earth. The earth is nice
Hello . The is niceHi earth. The earth is nice
Array
(
    [0] => blue
    [1] => pink
    [2] => green
    [3] => yellow
)
Hello rajat. The rajat is nice
Hello ravi
Hello manoj world is nice
Hello vivek nice
santaHello world. The world is nice
Hilla warld. Thi warld is nici
Hi earth. The earth is nice
<?php // 080 - String:Replace echo "</br><span class='myheading'>080 - String:Replace</span></br>"; $str = "Hello world. The world is nice"; echo str_replace("world","earth",$str)."</br>"; // replace world by earth echo str_replace("world","",$str); // replace with blank $find = ["Hello", "world"]; $replace = ["Hi", "earth"]; print_r (str_replace($find,$replace,$str))."<br>"; // two word same time using array $color = ["blue","red","green","yellow"]; echo "<pre>"; print_r(str_replace("red","pink",$color)); // replace in array and not in string echo "</pre>"; echo str_ireplace("WORLD","rajat",$str)."<br>"; // case not matter echo '<pre>'; print_r( substr_replace($str, "ravi", 6))."<br>"; // form 6th index all string will replaced by ravi echo '</pre>'; echo '<pre>'; print_r( substr_replace($str, "manoj", 6 , 10))."<br>"; // replace string form 6 to 10th index echo '</pre>'; echo '<pre>'; print_r( substr_replace($str, "vivek", 6 , -5)); echo '</pre>'; echo '<pre>'; print_r( substr_replace($str, "santa", 0 , 0)); //--- add in starting echo '</pre>'; echo '<pre>'; print_r(strtr($str,"eo","ia")); // replace e with i and o with a echo '</pre>'; $array = array("Hello" => "Hi", "world" => "earth"); echo '<pre>'; print_r(strtr($str,$array)); // replace with associated array key echo '</pre>'; ?>