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run code in 300+ PHP versions simultaneously
<?php $source = <<<'SOURCEND' This is a test {% block hello %} This is a test This is a {{ $test }} {% end block %} {{ block('hello') }} {% for $post => $pappa in $posts %} {% if $post <= 0 %} {{ $post==3 ? 'Yes' : 'No' }} {% end %} {% end %} SOURCEND; function microtwig_compile($source){ function microtwig_parsecmd($cmd){ static $stack = array(); $fragments = preg_split('/\s+/',$cmd); $cmd = array_shift($fragments); switch($cmd){ case 'block': return 'function block_'.$fragments[0].'(){'; break; case 'if': $stack[] = 'if'; return 'if('.implode(' ',$fragments).'):'; break; case 'for': $stack[] = 'foreach'; $tmp = explode(' in ',implode(' ',$fragments)); return 'foreach('.$tmp[1].' as '.$tmp[0].'):'; break; case 'end': switch(isset($fragments[0])?$fragments[0]:''){ case 'block': return '}'; break; default: switch($peek = array_pop($stack)){ case 'if': return 'endif;'; break; case 'foreach': return 'endforeach;'; break; } break; } break; default: break; } } $cnt=0; $fragments = array(); $source = str_replace(array('{{','}}'),array('<?php echo','?>'),$source); foreach(explode('{%',$source) as $tmp) { foreach(explode('%}',$tmp) as $item) { $fragments[] = $cnt++%2?'<?php '.microtwig_parsecmd(trim($item)).'?>':$item; } } return implode('',$fragments); } echo microtwig_compile($source);

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