Some Important Functions of PHP
Sample 1 : strpos() Function Usage
As $name2 is "Feroz"12
it will used to show the value location of starting $name2
Sample 2 : strlen() Function Usage
As $name1 is "Samee Ullah Feroz"17= it will used to show the lenght of String $name1
Sample 3 : strtolower() Function Usage
samee ullah ferozSample 4 : strtoupper() Function Usage
SAMEE ULLAH FEROZSample 5 : ucfirst() Function Usage
Samee ullah ferozSample 6 : ucwords() Function Usage
Samee Ullah FerozSample 7 : implode() Function Usage
Samee_Ullah_FerozSample 8 : explode() Function Usage
array (size=3) 0 => string 'Samee' (length=5) 1 => string 'Ullah' (length=5) 2 => string 'Feroz' (length=5)
Sample 9 : substr() Function Usage
Ullah Feroz
Feroz
oz
Samee Ullah Feroz
Feroz
eroz
e Ullah Feroz
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<h1 align="center">Some Important Functions of PHP : <a href="http://sameearticles.blogspot.com" target="_blank">Samee Articles</a></h1>
<h2 align="left">Sample 1 : strpos() Function Usage</h2>
<?php
$name1 = "Samee Ullah Feroz";
$name2 = "Feroz";
echo 'As $name2 is "Feroz"<br />';
echo strpos($name1, $name2) . "<br />it will used to show the value location of starting \$name2"
?>
<h2 align="left">Sample 2 : strlen() Function Usage</h2>
<?php
$name1 = "Samee Ullah Feroz";
$name2 = "Feroz";
echo 'As $name1 is "Samee Ullah Feroz"<br />';
echo strlen("$name1") . "=\tit will used to show the lenght of String \$name1";
//And We can also write Full Name in the place of $name1 and also we can write string either with double qoutes or without qoutes
?>
<h2 align="left">Sample 3 : strtolower() Function Usage</h2>
<?php
$name1 = "Samee Ullah Feroz";
$name2 = "Feroz";
echo strtolower($name1); //As it is used to convert all letters to lower case.
?>
<h2 align="left">Sample 4 : strtoupper() Function Usage</h2>
<?php
$name1 = "Samee Ullah Feroz";
$name2 = "Feroz";
echo strtoupper($name1); //As it is used to Convert all letters to upper case (Capital Letters)
?>
<h2 align="left">Sample 5 : ucfirst() Function Usage</h2>
<?php
$name1 = "samee ullah feroz";
$name2 = "Feroz";
echo ucfirst($name1); //As it is used to Convert 1st letter to upper case (Capital Letter)
?>
<h2 align="left">Sample 6 : ucwords() Function Usage</h2>
<?php
$name1 = "samee ullah feroz";
$name2 = "Feroz";
echo ucwords($name1); //As it is used to Convert each 1st letter to upper case (Capital Letters)
?>
<h2 align="left">Sample 7 : implode() Function Usage</h2>
<?php
$name1 = array("Samee","Ullah","Feroz");
$name2 = "Feroz";
echo implode("_",$name1); //As it is used to join the array values and add specific charactor among each value.
?>
<h2 align="left">Sample 8 : explode() Function Usage</h2>
<?php
$name1 = "Samee Ullah Feroz";
$name2 = "Feroz";
$name3 = explode(" ",$name1);
var_dump($name3);
?>
<h2 align="left">Sample 9 : substr() Function Usage</h2>
<?php
echo substr("Samee Ullah Feroz",18)."<br />";
echo substr("Samee Ullah Feroz",6)."<br />";
echo substr("Samee Ullah Feroz",11)."<br />";
echo substr("Samee Ullah Feroz",15)."<br />";
echo "<br>";
// Negative numbers:
echo substr("Samee Ullah Feroz",-18)."<br />";
echo substr("Samee Ullah Feroz",-6)."<br />";
echo substr("Samee Ullah Feroz",-4)."<br />";
echo substr("Samee Ullah Feroz",-13)."<br />";
?>
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