Php Developer Site: String Function In PHP

Sunday, January 1, 2012

Example

<body bgcolor="#CC99CC">

<font color="#993300" size="+2"><center>STRING FUNCTION DEMO</font><br><br>

</head>

<body>

<form id="form1" name="form1" method="get" action="">

<label>EnterString::

<textarea name="textarea"></textarea>

</label>

<label>ENTER SECOND STRING

<input type="text" name="tf" />

</label>

<label></label>

<p> </p>

<p>

<label>

<input type="submit" name="b1" value="Submit" />

</label>

</p>

</form>

<?php

if(isset($_GET["b1"]))

{

$tf=$_GET["tf"];

$s=$_GET["textarea"];

echo "1.LENGTH OF STRING IS::"." ".strlen($s)."<p>";

echo "2.REVERSE OF STRING IS::"." ".strrev($s)."<p>";

echo "3.UPPER CASE OF STRING::"." ".strtoupper($s)."<p>";

echo "4.LOWER CASE OF STRING::"." ".strtolower($s)."<p>";

echo "5.RETURN 0 IF BOTH STRING ARE SAME::"." ".strcmp($s,$tf)."<p>";

echo "6.REPEATATION OF STRING ::"." ".str_repeat($s,2)."<p>";

echo "7.CASE COMPARE::"." ".strcasecmp($s,$tf)."<p>";

echo "8.SUBSTRING::"." ".substr($s,1,4)."<p>";

$b=array('you','are',$tf,$s);

echo "9. USING JOIN::".join(" ",$b)."<p>";

echo "10. STRING REPLACE::".str_replace("sur",$tf,$s)."<p>";

}

</body>

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