CodephpOnline
// First way and most commonly preferred
<?php
// PHP code goes here
?>
// Second way also known as short tags
<?
// PHP code goes here
?>
// Third way
<script language="php">
// PHP code goes here
</script>
echo
<?php
$decision = ($age>18) ? 'can vote' : 'can not vote' ;
?>
By using if statement we can write the above code as :
<?php
if($age>18) {
$decision = 'can vote';
} else {
$decision = 'can not vote';
}
?>
<IfModule mod_php5>
php_value max_execution_time 360
php_value memory_limit 128M
</IfModule >
<head>
<meta http-equiv="refresh" content="15">
</head>
<head>
<meta http-equiv="refresh" content="15" URL="target.php">
</head>
<?php
$colors = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow");
var_dump($colors);
/*
Output:
array(4) { ["a"]=> string(3) "red" ["b"]=> string(5) "green" ["c"]=> string(4) "blue" ["d"]=> string(6) "yellow" }
*/
?>
<?php
$colors = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow");
print_r($colors);
/*
Output:
Array ( [a] => red [b] => green [c] => blue [d] => yellow )
*/
?>
<?php
define("MINSIZE", 50);
echo MINSIZE;
// we can also use constant function to retrieve value of constant.
echo constant("MINSIZE");
?>
<?php
$capitals = array("India"=>"New Delhi", "China"=>"Beijing", "Srilanka"=>"Colombo");
?>
<?php
$name = "katrina";
$katrina = "Salman";
echo $name //Output:- katrina
echo $$name //Output:- Salman
?>
<?php
function students()
{
$no_of_arguments = func_num_args();
echo "No Of Arguments = $no_of_arguments";
}
student($name, $age, $address); // function call
/*
Output:
No Of Arguments = 3
*/
?>
<?php
$arrayName = array("course1"=>"php", "course2"=>"html");
$new_array = array_flip($arrayName);
print_r($new_array);
/*
Output :
Array
(
[php] => course1,
[html] => course2
)
*/
?>
<?php
$data = '<p>Web Development</p>';
echo $profession = strip_tags($data);
// It will remove the <p> tag from output.
?>
<?php
echo nl2br("Thanks for visiting codephponline.com /n See you soon .");
/*
Output : Thanks for visiting codephponline.com
See you soon .
*/
?>
/usr/bin/php index.php
<?php
$varArray = array("course1" => "PHP", "course2" => "JAVA", "course3" => "HTML");
extract($varArray);
echo "$course1, $course2, $course3";
?>
$filename = $_FILES['image']['name'];
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$filename = $_FILES['image']['name'];
$array = explode('.', $filename);
$ext = end($array);
<?php
call_user_func(function() { echo 'anonymous function called.'; });
// Output: anonymous function called
function barber($type)
{
echo "You wanted a $type haircut, no problem\n";
}
call_user_func('barber', "mushroom"); // You wanted a mushroom haircut, no problem
call_user_func('barber', "shave"); // You wanted a shave haircut, no problem
barber('mushroom'); // You wanted a mushroom haircut, no problem
barber('shave'); // You wanted a shave haircut, no problem
?>
<?php
$arr = array('name'=>'angel', 'age'=>'23', 'city'=>'delhi', 'profession'=>'php developer');
$first_value = current($arr);
/*
Output :
angel
*/
?>
<?php
$email = admin@codephponline.com
$result = strstr($email , '@');
// Output: @codephponline.com
?>
<?php
$mystring = "lets knowit";
$find = "knowit";
$result = strpos($mystring, $find);
// OUTPUT: 6
?>
<?php
$arr = array('name'=>'angel' ,'city'=>'delhi', 'profession'=>'web developer');
$lastValue = end($arr);
// Output : web developer
?>
<?php
$startTime= microtime(true);
/** Write here you code to check **/
/** Write here you code to check **/
$endTime= microtime(true);
echo 'Time Taken to execute the code:'.$endTime-$startTime
?>
<?php
$array = array('one','two');
echo json_encode($array); //use json_decode for decode
?>
<?php
function cmp($a, $b)
{
if ($a == $b) {
return 0;
}
return ($a < $b) ? -1 : 1;
}
$a = array(3, 2, 5, 6, 1);
usort($a, "cmp");
foreach ($a as $key => $value) {
echo "$key: $value\n";
}
/*
Output :
0: 1
1: 2
2: 3
3: 5
4: 6
*/
?>
<?php
$obj1 = new Customer();
$obj2 = new Customer();
$obj3 = new Customer();
?>
<?php
Class foo
{
public static $variable_name = 'it is a static variable';
}
echo foo :: $variable_name;
// Output : it is a static varaible
?>
<?php
spl_autoload_register(function ($classname) {
include $classname . '.php';
});
$object = new Class1();
$object2 = new Class2();
?>
<?php $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, "http://www.google.com/search?q=curl"); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_HEADER, 0); $output = curl_exec($curl); curl_close($curl); echo $output; ?>
<?php $postData = array( "firstname" => "rahul", "lastname" => "yadav", "emailid" => "admin@codephponline.com" ); $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, "http://www.example.com"); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_HEADER, 0); curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $postData); $output = curl_exec($curl); curl_close($curl); echo $output; ?>
Technical Architect
Kuala Lumpur, Malaysia
Connect Me:
I'm a Full Stack Web Developer working in a MNC and passionate of developing modern web and mobile applications.
I have designed and developed CodephpOnline & CodephpOnline Wiki platform to expatiate my coding and technology learning experiences.
In my leisure time, I write technical articles on web development such as PHP, Laravel, CodeIgniter, Mediawiki, Linux, Angular, Ionic, ReactJS, NodeJS, AJAX, jQuery, Cloud and more.
