openssl_csr_export Exports a CSR as a string boolopenssl_csr_export resourcecsr stringout boolnotext openssl_csr_export takes the Certificate Signing Request represented by csr and stores it as ascii-armoured text into out, which is passed by reference. &reference.openssl.parameter-notext; &return.success; See also openssl_csr_export_to_file, openssl_csr_new and openssl_csr_sign.