Created
September 30, 2015 07:38
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Reverse Print r up to multiple levels
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function print_r_reverse($in) { | |
$lines = explode("\n", trim($in)); | |
if (trim($lines[0]) != 'Array') { | |
// bottomed out to something that isn't an array | |
return $in; | |
} else { | |
// this is an array, lets parse it | |
if (preg_match("/(\s{5,})\(/", $lines[1], $match)) { | |
// this is a tested array/recursive call to this function | |
// take a set of spaces off the beginning | |
$spaces = $match[1]; | |
$spaces_length = strlen($spaces); | |
$lines_total = count($lines); | |
for ($i = 0; $i < $lines_total; $i++) { | |
if (substr($lines[$i], 0, $spaces_length) == $spaces) { | |
$lines[$i] = substr($lines[$i], $spaces_length); | |
} | |
} | |
} | |
array_shift($lines); // Array | |
array_shift($lines); // ( | |
array_pop($lines); // ) | |
$in = implode("\n", $lines); | |
// make sure we only match stuff with 4 preceding spaces (stuff for this array and not a nested one) | |
preg_match_all("/^\s{4}\[(.+?)\] \=\> /m", $in, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER); | |
$pos = array(); | |
$previous_key = ''; | |
$in_length = strlen($in); | |
// store the following in $pos: | |
// array with key = key of the parsed array's item | |
// value = array(start position in $in, $end position in $in) | |
foreach ($matches as $match) { | |
$key = $match[1][0]; | |
$start = $match[0][1] + strlen($match[0][0]); | |
$pos[$key] = array($start, $in_length); | |
if ($previous_key != '') $pos[$previous_key][1] = $match[0][1] - 1; | |
$previous_key = $key; | |
} | |
$ret = array(); | |
foreach ($pos as $key => $where) { | |
// recursively see if the parsed out value is an array too | |
$ret[$key] = print_r_reverse(substr($in, $where[0], $where[1] - $where[0])); | |
} | |
return $ret; | |
} | |
} |
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