Created
July 23, 2016 05:50
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PHP compare serialize & json_encode
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<?php | |
// http://stackoverflow.com/questions/804045/preferred-method-to-store-php-arrays-json-encode-vs-serialize | |
ini_set('display_errors', 1); | |
error_reporting(E_ALL); | |
// Make a big, honkin test array | |
// You may need to adjust this depth to avoid memory limit errors | |
$testArray = fillArray(0, 5); | |
// Time json encoding | |
$start = microtime(true); | |
json_encode($testArray); | |
$jsonTime = microtime(true) - $start; | |
echo "JSON encoded in $jsonTime seconds\n"; | |
// Time serialization | |
$start = microtime(true); | |
serialize($testArray); | |
$serializeTime = microtime(true) - $start; | |
echo "PHP serialized in $serializeTime seconds\n"; | |
// Compare them | |
if ($jsonTime < $serializeTime) { | |
printf("json_encode() was roughly %01.2f%% faster than serialize()\n", ($serializeTime / $jsonTime - 1) * 100); | |
} | |
elseif ($serializeTime < $jsonTime ) { | |
printf("serialize() was roughly %01.2f%% faster than json_encode()\n", ($jsonTime / $serializeTime - 1) * 100); | |
} else { | |
echo "Unpossible!\n"; | |
} | |
function fillArray( $depth, $max ) { | |
static $seed; | |
if (is_null($seed)) { | |
$seed = array('a', 2, 'c', 4, 'e', 6, 'g', 8, 'i', 10); | |
} | |
if ($depth < $max) { | |
$node = array(); | |
foreach ($seed as $key) { | |
$node[$key] = fillArray($depth + 1, $max); | |
} | |
return $node; | |
} | |
return 'empty'; | |
} |
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