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run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = "dfgdfg + fgdfgdf - dfgdfgdfg"; $output = preg_split( "/ (+|-) /", $input ); print_r($output);
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_split(): Compilation failed: nothing to repeat at offset 2 in /in/iEGo0 on line 5
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: nothing to repeat at offset 2 in /in/iEGo0 on line 5