performance_test.php

<?php

$data_json = json_encode(array('one','two','three','four','five','six','seven','eight','nine'));
$data_with_delimiter = "one|two|three|four|five|six|seven|eight|nine";

/*
|------------------------------------------------------------------------------
| Performance test # 1
|------------------------------------------------------------------------------
*/
$start = microtime(true);

for ($i = 0; $i < 100000; $i++)
{
    $data = json_decode($data_json);
}

$end = microtime(true);
$final = $end - $start;

echo "Json decode as stdObject: " . $final . "\n";

/*
|------------------------------------------------------------------------------
| Performance test # 2
|------------------------------------------------------------------------------
*/
$start = microtime(true);

for ($i = 0; $i < 100000; $i++)
{
    $data = json_decode($data_json, true);
}

$end = microtime(true);
$final = $end - $start;

echo "Json decode as associative array: " . $final . "\n";

/*
|------------------------------------------------------------------------------
| Performance test # 3
|------------------------------------------------------------------------------
*/
$start = microtime(true);

for ($i = 0; $i < 100000; $i++)
{
    $data = explode('|', $data_with_delimiter);
}

$end = microtime(true);
$final = $end - $start;

echo "Explode by delimiter as array: " . $final . "\n";