PHP lecture 03 PHP Array Functions PHP Array Functions overview. count() - return the number of elements of an array. sort() - sort arrays in ascending order. For Loop

1. PHP Course
3: Arrays
An array stores multiple values in one single
variable
PHP Course Info@ITBigDig.com

2. Instructor
 Name: Mohamed Saad.
 Email: Engsaad_aly@hotmail.com
 Occupation: Web Developer In IT Big Dig.
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3. Contents
• PHP Array Functions
o PHP Array Functions overview.
o count() - return the number of elements of an array.
o sort() - sort arrays in ascending order.
• For Loop
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4. PHP Array Functions overview
o count() - return the number of elements of an array.
o sort() - sort arrays in ascending order.
o rsort() - sort arrays in descending order.
o asort() - sort associative arrays in ascending order, according
to the value.
o ksort() - sort associative arrays in ascending order, according
to the key.
o arsort() - sort associative arrays in descending
order, according to the value.
o krsort() - sort associative arrays in descending
order, according to the key.

5. PHP Array
• There are three types of arrays:
•Arrays with numeric indexIndexed arrays
•Arrays with named keysAssociative arrays
•Arrays containing one or more arraysMultidimensional
arrays

6. array() Function
Syntax
•array(‘value’, );indexed
•array(‘key’ =>’value’, );associative

8. count() Function
Syntax
o $x=array("Volvo“,"BMW“,"Toyota");
echo count($x);

9. sort() Function

10. <?php
$x=array("Volvo","BMW","Toyota","Audi");
sort($x);
$var_count=count($x);
for($i=0;$i<$var_count;$i++)
{
echo $x[$i];
echo "<br>";
}
?>
Copy Code
array1.php
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11. For Loop
Syntax
o for (Counter; condition; increment)
{
code to be executed;
}
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14. Loop Through an Indexed Array

15. <?php
$cars=array("Volvo","BMW","Toyota");
$arrlength=count($cars);
echo $arrlength,"<br>";
for($x=0;$x<$arrlength;$x++)
{
echo $cars[$x];
echo "<br>";
}
?>
Copy Code
for.php
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16. We hope You enjoy This Tutorial.
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End
Arrays