Epson TM-i Series Setup Manual page 11

❏ If using PHP date-related functions, specify the time zone by using date_default_timezone_set at the
beginning of PHP script. For details, refer to the PHP public Website. Do not use Etc/GMT time zones.
❏ The dynamic load (dl function) of the PHP expansion module is disabled.
❏ File uploading using PHP is disabled.
❏ The fopen wrapper for URLs read by an external file cannot be used.
❏ PHP values defined by .htaccess files cannot be changed.
❏ This system does not support PHP Data Object (PDO) as a method for connecting to SQLite.
❏ The maximum PHP script execution time is 30 seconds. When more than 30 seconds pass, the PHP script
will be forcibly terminated and return "500 Internal Server Error" as HTTP response.
Writing to microSD card
Some PHP functions and class methods write to microSD card.
If you use the following functions and class methods, develop your application so that they do not write to
microSD card.
openssl_pkey_export_to_file
openssl_x509_export_to_file
openssl_pkcs12_export_to_file
openssl_csr_export_to_file
openssl_pkcs7_sign
openssl_pkcs7_encrypt
gzwrite
gzputs
session_save_path
unlink
rmdir
ftruncate
fwrite
fputs
mkdir
rename
copy
tempnam
file_put_contents
stream_context_create
fputcsv
chmod
touch
xmlwriter_open_uri
SQLite3::exec
SQLite3::query
Functions, Class methods
SQLite3::querySingle
SimpleXMLElement::asXML
SimpleXMLElement::saveXML
Phar::convertToData
Phar::unlinkArchive
PharData::addEmptyDir
PharData::addFile
PharData::addFromString
PharData::buildFromDirectory
PharData::buildFromIterator
PharData::compress
PharData::decompress
PharData::convertToData
PharData::copy
PharData::delete
PharData::extractTo
PharData::offsetSet
PharData::offsetUnset
PharData::unlinkArchive
PharFileInfo::chmod
PharFileInfo::compress
PharFileInfo::decompress
PharFileInfo::delMetadata
PharFileInfo::setMetadata
XMLWriter::openUri
Chapter 1 Overview
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