结论

serializen的效率远高于json，特别是在反序列化方面。

实地测试

对同一个巨大数组分别进行10000次序列化和反序列化，得到如下测试结果：测试环境

CPU: Intel i5-3317U

PHP: 7.0.12

SRV: Apache 2json_encode 2.7458431720734 s

json_decode 7.1210720539093 s

serialize 1.899829864502 s

unserialize 0.033617973327637 s

测试代码<?php

$de=[

"ok"=>23421344234,

"d3"=>['32af','23rdsf','fa3fawe','r23dsds'],

'asdfasfd'=>['sadfasdf','asdfdsf'=>'asdfa爱的色放撒地方发生但凡sfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfasfd1'=>['sadfa安抚仨人货币补偿现在vcxzvcxzsdf','asg发多少了空间dfdsf'=>'asdfasfdsdfsfa','asdf爱居兔肉色很尴尬人个人sadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfasfd2'=>['sadfasdf','asdfdsf'=>'asdfasfds阿斯顿发生dfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfasfd3'=>['sadf爱迪生范德萨发放第三asdf','asdfdsf'=>'asdfasfd阿萨德发的顺丰sdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfasfd4'=>['sadfasdf','asdfdsf'=>'asdfasfdsd阿什顿发发生的fsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfahgewrasfd'=>['sadfasdf','asdfdsf'=>'asdfa阿什顿发斯蒂芬sfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdffsadasfd'=>['sadfasdf','asdfdsf'=>'asdfasfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdaefdssfasfd'=>['sadfasdf','asdf阿斯顿发发生的dsf'=>'asdfasfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfa阿斯顿发发呆爽肤水对方43wefrasfd'=>['sadfasdf','asdfdsf'=>'asdfasfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'as阿斯蒂芬范德萨范德萨dfsdaf']],

'asdfaasdfsfd'=>['sadfasdf','asdfdsf'=>'asdfasfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'afasdfsdfasfd'=>['sadfasdf','asdfdsf'=>'asdfas阿斯顿发发生的分fdsdfsfa','as爱的色放范德萨dfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

'asdfas阿什顿发斯蒂芬法第三asdfsdffd'=>['sadfasdf','asdfdsf'=>'asdfasfdsdfsfa','asdfsadf'=>['asdfasdf',234234234,'asdfsdaf']],

array (

'battle_id'=> 257

,'user_id'=> 41248

,'user阿什顿发斯蒂芬多撒_id2'=> 23989

,'player'=> 41248

,'formation'=> Array

(

'41248'=> 1

,'23989'=> 2

)

,'result'=> 1

,'battle_type'=> 1

,'speed'=> Array

(

'41248'=> 0

,'23989'=> 0

)

)

];

$de=[

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

$de,

];

$stime = microtime(true);

for ($i = 0; $i < 10000; $i ++) {

$en=json_encode($de);

}

$etime = microtime(true);

echo "json_encode :", ($etime - $stime) ,'
';

$stime = microtime(true);

for ($i = 0; $i < 10000; $i ++) {

$de=json_decode($en);

}

$etime = microtime(true);

echo "json_decode :", ($etime - $stime) ,'
';

$stime = microtime(true);

for ($i = 0; $i < 10000; $i ++) {

$en=serialize($de);

}

$etime = microtime(true);

echo "serialize :", ($etime - $stime) ,'
';

$stime = microtime(true);

for ($i = 0; $i < 10000; $i ++) {

$de=serialize($en);

}

$etime = microtime(true);

echo "unserialize :", ($etime - $stime) ,'
';