3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $input="id=www session.timeout=120 session.server:0.host=127.0.0.1 session.server:0.port=1111 session.server:0.id=session1 session.server:1.host=127.0.0.1 session.server:1.port=1111 session.server:1.id=session2 image.width=640 image.height=480 image.watermark.small=wsmall.png image.watermark.normal=wnormal.png"; function parse(&$arr,$s,$numeric) { if( !preg_match( '/[.=:]/', $s, $matches, PREG_OFFSET_CAPTURE ) ) return; $m = $matches[0][1]; $key = substr( $s, 0, $m ); if( $numeric ) $key = intval( $key ); if( $s[$m] === '=' ) { $arr[$key] = substr( $s, $m+1 ); } else { if( !array_key_exists( $key, $arr ) ) $arr[$key] = array(); parse( $arr[$key], substr( $s, $m+1 ), $s[$m] === ':' ); } } $arr = array(); foreach( explode( PHP_EOL, $input ) as $line ) parse( $arr, $line, false ); var_dump( $arr ); ?>
Output for 5.3.18 - 7.2.0
array(3) { ["id"]=> string(3) "www" ["session"]=> array(2) { ["timeout"]=> string(3) "120" ["server"]=> array(2) { [0]=> array(3) { ["host"]=> string(9) "127.0.0.1" ["port"]=> string(4) "1111" ["id"]=> string(8) "session1" } [1]=> array(3) { ["host"]=> string(9) "127.0.0.1" ["port"]=> string(4) "1111" ["id"]=> string(8) "session2" } } } ["image"]=> array(3) { ["width"]=> string(3) "640" ["height"]=> string(3) "480" ["watermark"]=> array(2) { ["small"]=> string(10) "wsmall.png" ["normal"]=> string(11) "wnormal.png" } } }