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<?php function rev($str) { if ( ! $str ) { return; } return rev(substr($str,1)) . $str{0}; } function sum($arr) { if ( ! is_array($arr) ) { return; } return sum(array_shift($arr)) + $arr[0]; } $a = array(5,4,7,8,9,3); echo sum($a); echo rev('hola mundos ninos');
Output for git.master, git.master_jit
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/pWk91 on line 6
Process exited with code 255.
Output for rfc.property-hooks
Parse error: syntax error, unexpected token "{", expecting ";" in /in/pWk91 on line 6
Process exited with code 255.

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