- var_export: documentation ( source)
- trim: documentation ( source)
- preg_replace: documentation ( source)
<?php
$tests = [
", One ,, ,,",
", Two , Three",
"Four, Five ",
" Six,Seven, ",
" ,Eight ,Nine , , , , Ten ,",
];
foreach ($tests as $test) {
var_export(
preg_replace('/[, ]+/', ', ', trim($test, ', '))
);
echo "\n";
}