$result = 1;
} else {
$result = 0;
}
$output .= "Number of records deleted = {$result}\n";
} else {
$output = "Could not delete DB cache_filters entry for {$texexp}\nbecause it could not be found.\n";
}
}
// Action: Show Image
if ($action == 'ShowImageMimetex') {
tex2image($texexp);
}
// Action: Check Slasharguments
if ($action == 'SlashArguments') {
slasharguments($texexp);
}
// Action: Show Tex command line output
if ($action == 'ShowImageTex') {
TexOutput($texexp, true);
exit;
}
// Action: Show Tex command line output
if ($action == 'ShowOutputTex') {
if (debugging()) {
TexOutput($texexp);
} else {
echo "Can not output detailed information due to security concerns, please turn on debug mode first.";
}
exit;
}
}
}
if (strpos($query, 'TeXStage1')) {
$output = algebra2tex($algebra);
}
if (strpos($query, 'TeXStage2')) {
$output = algebra2tex($algebra);
$output = refineTeX($output);
}
if (strpos($query, 'ShowImage') || strpos($query, 'SlashArguments')) {
$output = algebra2tex($algebra);
$output = refineTeX($output);
if (strpos($query, 'ShowImage')) {
tex2image($output, $md5);
} else {
slasharguments($output, $md5);
}
} else {
outputText($output);
}
exit;
}
function algebra2tex($algebra)
{
global $CFG;
$algebra = str_replace('<', '<', $algebra);
$algebra = str_replace('>', '>', $algebra);
$algebra = str_replace('<>', '#', $algebra);
$algebra = str_replace('<=', '%', $algebra);
$algebra = str_replace('>=', '!', $algebra);
$algebra = preg_replace('/([=><%!#] *)-/', "\$1 zeroplace -", $algebra);
$result = 1;
} else {
$result = 0;
}
$output .= "Number of records deleted = {$result}\n";
} else {
$output = "Could not delete DB cache_filters entry for {$param->tex}\nbecause it could not be found.\n";
}
}
// Action: Show Image
if ($param->action == 'ShowImageMimetex') {
tex2image($param->tex);
}
// Action: Check Slasharguments
if ($param->action == 'SlashArguments') {
slasharguments($param->tex);
}
// Action: Show Tex command line output
if ($param->action == 'ShowImageTex') {
TexOutput($param->tex, true);
exit;
}
// Action: Show Tex command line output
if ($param->action == 'ShowOutputTex') {
TexOutput($param->tex);
exit;
}
if (!empty($param->action)) {
outputText($output);
}
// nothing more to do if there was any action