Online PHP editor | output for PUXAI

@ 2015-07-06T12:43:31Z

<?php
    function serializeContext($default, $optional)
    {
        return  "'" . implode("', '", array_merge(
                $default,
                $optional
            )) . "'" ;
    }
    
    $a = array(
        array('test1', 'test2', 'test3'), 
        array('test4', 'test5', 'test6')
        );
    $b = array('test7');
    
//    var_dump(serializeContext($a, $b));
    
//    echo array_reduce($a, 
//    function($carry, $next){
//        return $carry . $next;
//    }, '');
    
//    var_dump(array_reduce($a, function($carry, $next){
//        return $carry .= " $next";
//    }));
    
//    var_dump(array_reduce($a, function($carry, $next){
//        $carry[] = $next;
//        return $carry;
//    }));

    array_reduce($a, function($carry, $next){
        
        $carry[] = $next;
        
        print_r($carry);
        
    }, array());

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Array ( [0] => Array ( [0] => test1 [1] => test2 [2] => test3 ) ) Array ( [0] => Array ( [0] => test4 [1] => test5 [2] => test6 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/PUXAI on line 32
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/PUXAI on line 32
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/PUXAI on line 32
Process exited with code 255.

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