<?php $testArray = array(2.4, 2.6, 3.5); print_r(array_map('ceil', $testArray)); // Array ( [0] => 3 [1] => 3 [2] => 4 ) $testArray = array(2.4, 2.6, 3.5); print_r(array_map('floor', $testArray)); // Array ( [0] => 2 [1] => 2 [2] => 3 ) ?>
Category Archives: PHP
Script to read RSS feed – PHP
<?php $connect = curl_init("http://www.unixsite.com/feed/rss/"); curl_setopt($connect, CURLOPT_RETURNTRANSFER, true); curl_setopt($connect, CURLOPT_HEADER, 0) ; $result = curl_exec($connect); curl_close($connect); $data = new SimpleXmlElement($result, LIBXML_NOCDATA); for($i=0;$i<10;++$i) { if(empty($data->channel->item[$i]->title)) break; echo $data->channel->item[$i]->title; echo $data->channel->item[$i]->description; } ?>
Validate Email address – PHP
if (!preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $cUrls)) $errorList[]="Invalid Client url - $cUrls. ' ";
echo "Invalid url";
Validate website address – PHP
<?php if (!preg_match("/^(http(s?)://|ftp://{1}) ((w+.){1,})w{2,}$/i", $websitrAddres)) $errorList[]="Invalid Website address. ' "; ?>
How to check whether a variable is an array – PHP
<?php $array = array('this', 'is', 'an array'); echo is_array($array) ? 'True' : 'False'; // True echo " "; $var = 'this is a string'; echo is_array($no) ? 'True' : 'False'; // False ?>
Convert strings to an array – PHP
<?php $testString = "FirstName,MiddleName,LastName"; $testArray = split(",",$testString); print_r($testArray); //Array ( [0] => FirstName [1] => MiddleName [2] => LastName ) ?> <?php $testString = "FirstName MiddleName,LastName"; list($first, $middle, $last) = split('[ ,]', $testString); echo "First Name: $first; MiddleName: $middle; LastName: $last"; ?>
Find out the first occurrence of a string – PHP
<?php $email = 'firstname@mail.com'; $domain = strstr($email, '@'); echo $domain; // prints@mail.com ?>
Function to find out the substring of a string – PHP
<?php echo substr('abcdef', 1, 3); // bcd ?>
function to format the price – PHP
<?php $number = 5030; echo number_format($number); // 5,030 ?>
Function to read the character from the ASCII value – PHP
<?php echo chr(50).","; echo chr(55).","; echo chr(53); ?>