Online PHP editor | output for fA0pF

@ 2013-11-11T18:50:10Z

<?php

    function combineColumns(array $row, $separator) // {{{
    {
        $combined = array();

        foreach ($row as $key => $value) {
            if (false !== strpos($key, $separator)) {
                $parts = explode($separator, $key);
                $pkey = array_pop($parts);
                $ptr = &$combined;

                while (null !== ($part = array_shift($parts))) {
                    if (!isset($ptr[$part]) || !is_array($ptr[$part])) {
                        $ptr[$part] = array();
                    }
                    $ptr = &$ptr[$part];
                }

                $ptr[$pkey] = $value;

            } else {
                $combined[$key] = $value;
            }
        }

        return $combined;
	}

	print_r(combineColumns(array(
		'A'     => 1,
		'B_C'   => 2,
        'B_D_A' => 3,
        'D_K_F' => 4,
    ), '__'));

Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Array ( [A] => 1 [B_C] => 2 [B_D_A] => 3 [D_K_F] => 4 )
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/fA0pF on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/fA0pF on line 3
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: Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/fA0pF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/fA0pF on line 3
Process exited with code 255.

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