PHP格式化公钥私钥（pem⽂件）
<?php
header("Content-Type: text/html; charset=utf-8");
$filename = dirname(__FILE__)."/payPublicKey.pem";//⽣成的公钥或私钥⽂件
@chmod($filename, 0777);
@unlink($filename);
$devPubKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDr6H/ictALLsV9/63lPFSYDPQKgRwEM2FiewfR/BYaPGfpgdl8lelNYqFxnqBRKbGnbFOwOxOu7oiiPYaJxcSU94hId3S0/UsSXyRfTaHT8ZZv+5luikQAG62hwkxqcSdL3aEMbq
$begin_public_key = "-----BEGIN PUBLIC KEY-----\r\n";  //-----BEGIN PRIVATE KEY-----
$end_public_key = "-----END PUBLIC KEY-----\r\n";  //-----END PRIVATE KEY-----
$fp = fopen($filename,'ab');
fwrite($fp,$begin_public_key,strlen($begin_public_key));
$raw = strlen($devPubKey)/64;
$index = 0;
while($index <= $raw ) {
$line = substr($devPubKey,$index*64,64)."\r\n";
if(strlen(trim($line)) > 0)
fwrite($fp,$line,strlen($line));
$index++;
html文件格式化}
fwrite($fp,$end_public_key,strlen($end_public_key));
fclose($fp);
?>