php 几种编码 解码
1.json_encode和json_decode<?php$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';var_dump(json_decode($json));var_dump(json_decode($json, true));?>
object(stdClass)#1 (5) {["a"] => int(1)["b"] => int(2)["c"] => int(3)["d"] => int(4)["e"] => int(5)}array(5) {["a"] => int(1)["b"] => int(2)["c"] => int(3)["d"] => int(4)["e"] => int(5)}
2.base64_decode和base64_encode
<?php $str = 'VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw=='; echo base64_decode($str); ?> 此示例将显示： This is an encoded string
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