<?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 )
?>
Remove duplicate entries from an array – PHP
<?php
$testArray = array('Test1', 'Test2', 'Test1');
print_r( array_unique($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
?>
Find out the IP address – PHP
<?php echo $_SERVER['REMOTE_ADDR'] ?>
Find out the previous page – PHP
<?php echo $_SERVER['HTTP_REFERER'] //will return the previous page ?>
How to find out the difference between two given dates – PHP
<?php
$startDate=explode("-", "02-08-2010");
$endDate=explode("-", "26-04-2007");
echo gregoriantojd($startDate[1], $startDate[0], $startDate[2])
- gregoriantojd($endDate[1], $endDate[0], $endDate[2]);
//1194
?>
How to disable error reporting in php?
<?php error_reporting(0);// Will not report any error error_reporting(-1);// Shows all errors ?>
Limits the maximum execution time – PHP
<?php set_time_limit(2); // // If the value is "0" , it will rum for unknown time ?>