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adding first pass at port to PHP

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commit 9e092d4e134d89fc41f6d030fff475ae0845c92b 1 parent c8c62a5
@getify authored
Showing with 57 additions and 0 deletions.
  1. +57 −0 minify.json.php
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57 minify.json.php
@@ -0,0 +1,57 @@
+<?php
+
+/*! JSON.minify()
+ v0.1 (c) Kyle Simpson
+ MIT License
+*/
+
+function json_minify($json) {
+ $tokenizer = "/\"|(\/\*)|(\*\/)|(\/\/)|\n|\r/";
+ $in_string = false;
+ $in_multiline_comment = false;
+ $in_singleline_comment = false;
+ $tmp; $tmp2; $new_str = array(); $ns = 0; $from = 0; $lc; $rc; $lastIndex = 0;
+
+ while (preg_match($tokenizer,$json,$tmp,PREG_OFFSET_CAPTURE,$lastIndex)) {
+ $tmp = $tmp[0];
+ $lastIndex = $tmp[1] + strlen($tmp[0]);
+ $lc = substr($json,0,$lastIndex - strlen($tmp[0]));
+ $rc = substr($json,$lastIndex);
+ if (!$in_multiline_comment && !$in_singleline_comment) {
+ $tmp2 = substr($lc,$from);
+ if (!$in_string) {
+ $tmp2 = preg_replace("/(\n|\r|\s)*/","",$tmp2);
+ }
+ $new_str[] = $tmp2;
+ }
+ $from = $lastIndex;
+
+ if ($tmp[0] == "\"" && !$in_multiline_comment && !$in_singleline_comment) {
+ preg_match("/(\\\\)*$/",$lc,$tmp2);
+ if (!$in_string || !$tmp2 || (strlen($tmp2[0]) % 2) == 0) { // start of string with ", or unescaped " character found to end string
+ $in_string = !$in_string;
+ }
+ $from--; // include " character in next catch
+ $rc = substr($json,$from);
+ }
+ else if ($tmp[0] == "/*" && !$in_string && !$in_multiline_comment && !$in_singleline_comment) {
+ $in_multiline_comment = true;
+ }
+ else if ($tmp[0] == "*/" && !$in_string && $in_multiline_comment && !$in_singleline_comment) {
+ $in_multiline_comment = false;
+ }
+ else if ($tmp[0] == "//" && !$in_string && !$in_multiline_comment && !$in_singleline_comment) {
+ $in_singleline_comment = true;
+ }
+ else if (($tmp[0] == "\n" || $tmp[0] == "\r") && !$in_string && !$in_multiline_comment && $in_singleline_comment) {
+ $in_singleline_comment = false;
+ }
+ else if (!$in_multiline_comment && !$in_singleline_comment && !(preg_match("/\n|\r|\s/",$tmp[0]))) {
+ $new_str[] = $tmp[0];
+ }
+ }
+ $new_str[] = $rc;
+ return implode("",$new_str);
+}
+
+?>
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