Php each
From w3cyberlearnings
Contents |
PHP function each
This function returns four elements, and it contains key and value for the current array pointer.
Syntax each
- array: array input
each(array);
Return
- Key
- [0]=>key1
- [key]=>key1
- Value
- [1] => value1
- [value]=>value1
Example 1:Associative array
<?php $name_score = array( 'Ella' => 30, 'Amelia' => 2, 'Liam' => 21 ); $e_name = each($name_score); print_r($e_name); ?>
Output
- [0]= Ella, [1]= 30
Array
(
[1] => 30
[value] => 30
[0] => Ella
[key] => Ella
)
Example 2
- Normal array has index starts from 0.
- Bob has index 0,
- Bob key's is [0] (i.e Index 0)
- Bob value's is [1]
<?php
$name = array('bob', 'john', 'lilo');
$e_name = each($name);
print_r($e_name);
?>
Output
Array
(
[1] => bob
[value] => bob
[0] => 0
[key] => 0
)
Example 3
<?php $array = array( 'Semester 1', 'Semester 2', 'Semester 3', 'Semester 4', 'Semester 5', 'Semester 6', 'Semester 7', 'Semester 8' ); // skip two semesters next($array); // next($array); // // semeter 3 $a = each($array); print_r($a); echo "<br/>"; echo current($array); // semester 4 echo "<br/>"; // skip three semesters next($array); // next($array); // next($array); // $b = each($array); print_r($b); ?>
Output
Array
(
[1] => Semester 3
[value] => Semester 3
[0] => 2
[key] => 2
)
Semester 4
Array
(
[1] => Semester 7
[value] => Semester 7
[0] => 6
[key] => 6
)
Related Links
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_diff_ukey
- array_diff
- array_fill_keys
- array_fill
- array_filter
- array_flip
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_intersect
- array_key_ exists
- array_keys
