3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data_array = array('root1' => array(1,2,3), 'root2' => array(3,4,5)); foreach ($data_array as $key => $value) { $out = ''; echo $key.'=>['; foreach ($value as $val) { $out.=$val.','; } $out = rtrim($out, ",") echo $out; echo ']'; }
Output for 5.4.0 - 5.4.28, 5.5.0 - 5.5.12
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/PgTe0 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/PgTe0 on line 12
Process exited with code 255.
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198.27 ms | 1399 KiB | 78 Q