Implode and Explode function of Php

Implode and Explode function of Php


<?php
// function 1:  implode()
echo "<h1>IMPLODE</h1>";
$arr=array("test1","test2","test3","test4","test5","test6","test7","test7");
echo "<pre>";  print_r($arr); echo "</pre>";

//implode(glue, pieces)

echo "Array with glue=none";
echo "</br>";echo "</br>";
$str=implode('', $arr);
echo $str;

echo "</br>";echo "</br>";
echo "Array with  ',' as glue to get comma separarted value from array ";
echo "</br>";echo "</br>";
$str=implode(',', $arr);
echo $str;
echo "</br>";echo "</br>";
// implode() function is used to join array elements and return string

// function 2:  explode(delimiter, string)
echo "<h1>EXPLODE</h1>";
echo $str="This is my string i am going to explode";
echo "</br>";echo "</br>";
echo "First using space as delimiter";
echo "<pre>";  print_r($arr); echo "</pre>";
$arr=explode(' ',$str);

echo "</br>";echo "</br>";
echo "Now using t as delimiter";
$arr=explode('t',$str);
echo "<pre>";  print_r($arr); echo "</pre>";
// explode breaks string into array where delimiter comes

?>

Array() / Array_fill() / Array_Keys() in php

Array() / Array_fill() / Array_Keys() in php

<?php
// function 1:  array()
$arr=array();
echo "Empty array created";
echo "<pre>";  print_r($arr); echo "</pre>";
// array() create an empty array

// function 2:  array_fill(start_index, num, value)
$arr=array_fill(0, 5, "test");
echo "Array filled with value";
echo "<pre>";  print_r($arr); echo "</pre>";
$arr[1]="failed";
$arr[3]="failed";
echo "Array after changes";
echo "<pre>";  print_r($arr); echo "</pre>";
// array_fill() fill the array with value given in parameter

// function 3:  arrays_keys(array,value)
echo "Keys where value is test in array";
$keyz=array_keys($arr,"test");
echo "<pre>";  print_r($keyz); echo "</pre>";
// arrays_keys() return the array of keys where value is same as parameter

?>

Send value of checked checkboxes on next page

<html>
    <body>
<?php
if($_POST){

    echo "<pre>";
    print_r($_POST['test']);
    echo "</pre>";
    }
?>
<form action="#" method="post">
<input type="checkbox" name="test[]"  value="Test1">Test1<br>
<input type="checkbox" name="test[]"  value="Test2">Test2 <br>
<input type="checkbox" name="test[]"  value="Test3">Test3<br>
<input type="checkbox" name="test[]"  value="Test4">Test4 <br>
<input type="submit" name="submit">
</form>
<body>
 <html>

How to sort an array in php ?

<html>
<head>
<title>
Sorting an array in php
</title>
</head>
<body>
<?php
$arr=array("Rahul","George","tina","Angel");
echo "Array before sorting"."</br>";
echo "<pre>";
print_r($arr);
echo "</pre>";
sort($arr);
echo "Array After sorting"."</br>";
echo "<pre>";
print_r($arr);
echo "</pre>";
?>
</body>
</html>

How to send an array in url in php ?

File.php  (This file contain array )

<?php

$data = array('foo'=>'bar',
              'baz'=>'boom',
              'cow'=>'milk',
              'php'=>'script');

$arr=http_build_query($data);

?>
<a href="nextpage.php?<?php echo $arr; ?>">Sendarray</a>


--------------------------------------------------------------------------------------------------------------------------------

nextpage.php (This file will receive array and print it)


<?php
echo "<pre>";
print_r($_GET);
echo "</pre>";
?>

How to preview array in Php ?

Array

<?php

$arr=array(1,2,3,4,5);
echo "<pre>";
print_r($arr);
echo "</pre>";

?>