php lpad code example

Example 1: php 0 padding left

<?php
$input = "Alien";
echo str_pad($input, 10);                      // produces "Alien     "
echo str_pad($input, 10, "-=", STR_PAD_LEFT);  // produces "-=-=-Alien"
echo str_pad($input, 10, "_", STR_PAD_BOTH);   // produces "__Alien___"
echo str_pad($input,  6, "___");               // produces "Alien_"
echo str_pad($input,  3, "*");                 // produces "Alien"
?>

Example 2: php clear echo

<?php

ob_start();
echo 'a';
print 'b';

// some statement that removes all printed/echoed items
ob_end_clean();

echo 'c';

// the final output is equal to 'c', not 'abc'

?>

Example 3: php rtrim

$colors=trim("blue,red,green,",",");//remove last , with rtrim

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