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run code in 300+ PHP versions simultaneously
<?php $tests = [ ", One ,, ,,", ", Two , Three", "Four, Five ", " Six,Seven, ", " ,Eight ,Nine , , , , Ten ,", ]; foreach ($tests as $test) { var_export( preg_replace('/[, ]+/', ', ', trim($test, ', ')) ); echo "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
'One' 'Two, Three' 'Four, Five' 'Six, Seven' 'Eight, Nine, Ten'

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