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August 29, 2015 14:06
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<?php | |
/** | |
* Formats a JSON string for pretty printing | |
* | |
* @param string $json The JSON to make pretty | |
* @param bool $html Insert nonbreaking spaces and <br />s for tabs and linebreaks | |
* @return string The prettified output | |
* @author Jay Roberts | |
*/ | |
function _format_json($json, $html = false) { | |
$tabcount = 0; | |
$result = ''; | |
$inquote = false; | |
$ignorenext = false; | |
if ($html) { | |
$tab = " "; | |
$newline = "<br/>"; | |
} else { | |
$tab = "\t"; | |
$newline = "\n"; | |
} | |
for($i = 0; $i < strlen($json); $i++) { | |
$char = $json[$i]; | |
if ($ignorenext) { | |
$result .= $char; | |
$ignorenext = false; | |
} else { | |
switch($char) { | |
case '{': | |
$tabcount++; | |
$result .= $char . $newline . str_repeat($tab, $tabcount); | |
break; | |
case '}': | |
$tabcount--; | |
$result = trim($result) . $newline . str_repeat($tab, $tabcount) . $char; | |
break; | |
case ',': | |
$result .= $char . $newline . str_repeat($tab, $tabcount); | |
break; | |
case '"': | |
$inquote = !$inquote; | |
$result .= $char; | |
break; | |
case '\\': | |
if ($inquote) $ignorenext = true; | |
$result .= $char; | |
break; | |
default: | |
$result .= $char; | |
} | |
} | |
} | |
return $result; | |
} |
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