openssl_csr_export_to_file Exports a CSR to a file boolopenssl_csr_export_to_file resourcecsr stringoutfilename boolnotext openssl_csr_export_to_file takes the Certificate Signing Request represented by csr and saves it as ascii-armoured text into the file named by outfilename. &reference.openssl.parameter-notext; &return.success; See also openssl_csr_export, openssl_csr_new and openssl_csr_sign.