$numbers = range(0, 9);
shuffle($numbers);
foreach ($numbers as $number) {
echo $number;
}
Tag Archives: String functions
Create an array containing a range of elements – PHP
<?php $numbers = range(0, 9); foreach($numbers as $value) echo $value." "; //Will output 0 1 2 3 4 5 6 7 8 9 ?>
Reverse the order of elements in an array – PHP
<?php
$testData= array('Test1', 'Test2', 'Test3');
print_r(array_reverse($testData));
//Array ( [0] => Test3 [1] => Test2 [2] => Test1 )
?>
Find the last element of an array – PHP
<?php
$testData= array('Test1', 'Test2', 'Test3');
echo end($testData); // Test3
?>
How to convert string with delimiter into array – PHP
<?php
// Example 1
$testValues = "test1 test2 test3 test4 test5";
$testArray = explode(" ", $testValues);
print_r($testArray);
//Array ( [0] => test1 [1] => test2 [2] => test3 [3] => test4 [4] => test5 )
// Example 2
$testValues = "test1,test2,test3,test4,test5";
$testArray = explode(",", $testValues);
print_r($testArray);
//Array ( [0] => test1 [1] => test2 [2] => test3 [3] => test4 [4] => test5 )
?>
Convert array into string – PHP
<?php
$testArray = array('Test1', 'Test2', 'Test3');
$testString = implode(",", $testArray);
echo $testString; // Test1,Test2,Test3
?>
Remove null values from an array – PHP
<?php
$testArray = array('Test1', 'Test2', '');
print_r( array_filter($testArray));
// Array ( [0] => Test1 [1] => Test2 )
?>
Find out the number of elements in an array – PHP
<?php
$testArray = array('Test1', 'Test2', 'Test1');
echo( count($testArray)); // 3
echo( sizeof($testArray)); // 3
?>
Find out the length of a string – PHP
<?php
echo $length = strlen("Efforts"); // 7
?>
WordPress query to fetch the posts
<?php global $wpdb; $querystr = " SELECT distinct(post_title) ,ID,post_title FROM $wpdb->posts WHERE post_type='post' AND post_status='publish' "; $pageposts = $wpdb->get_results($querystr, OBJECT); ?>