Array
Example : How the contents of the Index Array are Displayed in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles = array("Scootie", "Motorcycle", "Cars", "Truck");
echo $vehicles[0];
echo $vehicles[1];
echo $vehicles[2];
echo $vehicles[3];
?>
</body>
</html>
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles[0] ="Scootie";
$vehicles[1] ="Motorcycle";
$vehicles[2] ="Cars";
$vehicles[3] ="Truck";
//echo $vehicles[0];
//echo $vehicles[1];
//echo $vehicles[2];
//echo $vehicles[3];
echo $vehicles[0],$vehicles[1],$vehicles[2],$vehicles[3];
?>
</body>
</html>
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles[0] ="Scootie";
$vehicles[1] ="Motorcycle";
$vehicles[2] ="Cars";
$vehicles[3] ="Truck";
for ($i=0;$i<4;$i++)
{
echo $vehicles[$i];
}
?>
</body>
</html>
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles[0] ="Scootie";
$vehicles[1] ="Motorcycle";
$vehicles[2] ="Cars";
$len=count($vehicles);
for ($i=0;$i<$len;$i++)
{
echo $vehicles[$i];
}
?>
</body>
</html>
Output:
ScootieMotorcycleCarsTruckExample : How are the contents of an Array Count in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles = array("Scootie", "Motorcycle", "Cars", "Truck");
echo count($vehicles);
?>
</body>
</html>
Output:
4Example : How the contents of an Array are Sort in Ascending Order in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles = array("Scootie", "Motorcycle", "Cars", "Truck");
sort($vehicles);
$len=count($vehicles);
for ($i=0;$i<$len;$i++)
{
echo $vehicles[$i]." ";
}
?>
</body>
</html>
Output:
Cars Motorcycle Scootie Truck
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$value = array("200", "410", "5", "-415");
sort($value);
$len=count($value);
for ($i=0;$i<$len;$i++)
{
echo $value[$i]." ";
}
?>
</body>
</html>
Output:
-415 5 200 410Example : How the contents of an Array are Sort in Descending Order in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles = array("Scootie", "Motorcycle", "Cars", "Truck");
rsort($vehicles);
$len=count($vehicles);
for ($i=0;$i<$len;$i++)
{
echo $vehicles[$i]. " ";
}
?>
</body>
</html>
Output:
Truck Scootie Motorcycle Cars
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$value = array("200", "410", "5", "-415");
rsort($value);
$len=count($value);
for ($i=0;$i<$len;$i++)
{
echo $value[$i]." ";
}
?>
</body>
</html>
Output:
410 200 5 -415Example : How the contents of an Associative Array is displayed in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles['val'] ="500";
$vehicles['num'] ="200";
$vehicles['digit'] ="50";
echo $vehicles['val'];
echo " ";
echo $vehicles['num'];
echo " ";
echo $vehicles['digit'];
?>
</body>
</html>
Output :
500 200 50
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles=array('val'=>"500",'num'=>"200",'digit'=>"50");
echo $vehicles['val'];
echo " ";
echo $vehicles['num'];
echo " ";
echo $vehicles['digit'];
?>
</body>
</html>
Output :
500 200 50
----------------- OR ----------------
<!DOCTYPE html>
<html>
<body>
<?php
$vehicles=array('val'=>"500",'num'=>"200",'digit'=>"50");
foreach($vehicles as $m => $contents)
{
echo "Value at " . $m . " Index is = " . $contents;
echo "<br>";
}
?>
</body>
</html>
Output :
Value at val Index is = 500
Value at num Index is = 200
Value at digit Index is = 50Example: A Php program to use the array_chunck() php function to break the array into multiple sub-arrays.
<!DOCTYPE html>
<html>
<body>
<?php
$flower=array ("rose", "marigold", "jasmine", "sunflower", "orchid", "tulip");
print_r(array_chunk($flower,3));
//echo(array_chunk($flower,3)); //Notice: Array to string conversion in C:\xampp\htdocs\test\test1.php on line 7 Array
?>
</body>
</html>
Output:
Array (
[0] => Array ( [0] => rose [1] => marigold [2] => jasmine )
[1] => Array ( [0] => sunflower [1] => orchid [2] => tulip )
)Example: A Php program uses the array_reverse() php function to reverse the array contents.
<!DOCTYPE html>
<html>
<body>
<?php
$flower=array ("rose", "marigold", "jasmine", "sunflower", "orchid", "tulip");
$rev=array_reverse($flower);
foreach($rev as $val)
{
//echo "$val<br />";
echo $val." ";
}
?>
</body>
</html>
Output:
tulip orchid sunflower jasmine marigold roseExample: A Php program uses the array_search() php function to find the specific array elements.
<!DOCTYPE html>
<html>
<body>
<?php
$flower=array ("rose", "marigold", "jasmine", "sunflower", "orchid", "tulip");
$result=array_search("tulip",$flower);
echo $result;
?>
</body>
</html>
Output:
5
NB: If no value is matched/found then no index value is displayed.String
Example : How to find the Length of a string/sentence in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo strlen("Codershelpline is Your site");
?>
</body>
</html>
Output :
27 Example : How to find the number of Words in a string/sentence in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo str_word_count("Codershelpline is Your site");
?>
</body>
</html>
Output :
4Example : How to reverse the given String in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo strrev("Codershelpline");
?>
</body>
</html>
Output : enilplehsredoCExample : How to Search a Word in a given string/sentence in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo strpos("Codershelpline.com","helpline");
?>
</body>
</html>
Output :
6Example : How to Replace a Word in a given String/Sentence in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo str_replace("help", "India", "Codershelpline");
?>
</body>
</html>
Output :
CodersIndialineExample : How to Find an ASCII character(using char() Php function) from ASCII value in Php?
<!DOCTYPE html>
<html>
<body>
<?php
echo chr(65)."<br>"; // Print ASCII Char in Decimal Format.
//$str=chr(65);
//echo $str;
echo chr(065)."<br>"; // Print ASCII Char in Octal Format.
echo chr(0x65)."<br>"; // Print ASCII Char in Hexadecimal Format.
?>
</body>
</html>
Output:
A
5
e()Example : How to convert a String into Array form(using explode() Php function) in Php?
<!DOCTYPE html>
<html>
<body>
<?php
$str = "Codershelpline is our web site";
print_r(explode(" ",$str));
?>
</body>
</html>
Output: Array ( [0] => Codershelpline [1] => is [2] => our [3] => web [4] => site ) 
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