MDL-59152 mlbackend_php: Check PHP version

Part of MDL-57791 epic.
This commit is contained in:
David Monllao 2017-06-06 09:08:48 +02:00
parent ad7a4d3521
commit db3252c18d
2 changed files with 8 additions and 4 deletions

View File

@ -55,6 +55,9 @@ class processor implements \core_analytics\predictor {
protected $limitedsize = false;
public function is_ready() {
if (version_compare(phpversion(), '7.0.0') < 0) {
return get_string('errorphp7required', 'mlbackend_php');
}
return true;
}

View File

@ -1,7 +1,8 @@
<?php
$string['pluginname'] = 'PHP predictor';
$string['errorcantloadmodel'] = 'Model file {$a} does not exist, ensure the model has been trained before using it to predict.';
$string['errornotenoughdata'] = 'The evaluation results varied too much, you could try to gather more data to ensure the model is valid. Evaluation results standard deviation = {$a->deviation}, maximum recommended standard deviation = {$a->accepteddeviation}';
$string['errorlowscore'] = 'The evaluated model prediction accuracy is not very high, some predictions may not be accurate. Model score = {$a->score}, minimum score = {$a->minscore}';
$string['datasetsizelimited'] = 'Only a part of the evaluation dataset has been evaluated due to its size. Set $CFG->mlbackend_php_no_memory_limit if you are confident that your system can cope a {$a} dataset';
$string['errorcantloadmodel'] = 'Model file {$a} does not exist, ensure the model has been trained before using it to predict.';
$string['errorlowscore'] = 'The evaluated model prediction accuracy is not very high, some predictions may not be accurate. Model score = {$a->score}, minimum score = {$a->minscore}';
$string['errornotenoughdata'] = 'The evaluation results varied too much, you could try to gather more data to ensure the model is valid. Evaluation results standard deviation = {$a->deviation}, maximum recommended standard deviation = {$a->accepteddeviation}';
$string['errorphp7required'] = 'The PHP machine learning backend requires PHP 7';
$string['pluginname'] = 'PHP machine learning backend';