| 1 | <?php
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| 2 | /**
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| 3 | * PHP Integration of Open Flash Chart
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| 4 | * Copyright (C) 2008 John Glazebrook <open-flash-chart@teethgrinder.co.uk>
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU Lesser General Public
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| 8 | * License as published by the Free Software Foundation; either
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| 9 | * version 2.1 of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This library is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | * Lesser General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU Lesser General Public
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| 17 | * License along with this library; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 19 | */
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| 20 |
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| 21 | // Pretty print some JSON
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| 22 | function json_format($json)
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| 23 | {
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| 24 | $tab = " ";
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| 25 | $new_json = "";
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| 26 | $indent_level = 0;
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| 27 | $in_string = false;
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| 28 |
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| 29 | /*
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| 30 | commented out by monk.e.boy 22nd May '08
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| 31 | because my web server is PHP4, and
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| 32 | json_* are PHP5 functions...
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| 33 |
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| 34 | $json_obj = json_decode($json);
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| 35 |
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| 36 | if($json_obj === false)
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| 37 | return false;
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| 38 |
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| 39 | $json = json_encode($json_obj);
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| 40 | */
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| 41 | $len = strlen($json);
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| 42 |
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| 43 | for($c = 0; $c < $len; $c++)
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| 44 | {
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| 45 | $char = $json[$c];
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| 46 | switch($char)
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| 47 | {
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| 48 | case '{':
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| 49 | case '[':
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| 50 | if(!$in_string)
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| 51 | {
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| 52 | $new_json .= $char . "\n" . str_repeat($tab, $indent_level+1);
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| 53 | $indent_level++;
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| 54 | }
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| 55 | else
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| 56 | {
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| 57 | $new_json .= $char;
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| 58 | }
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| 59 | break;
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| 60 | case '}':
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| 61 | case ']':
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| 62 | if(!$in_string)
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| 63 | {
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| 64 | $indent_level--;
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| 65 | $new_json .= "\n" . str_repeat($tab, $indent_level) . $char;
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| 66 | }
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| 67 | else
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| 68 | {
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| 69 | $new_json .= $char;
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| 70 | }
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| 71 | break;
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| 72 | case ',':
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| 73 | if(!$in_string)
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| 74 | {
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| 75 | $new_json .= ",\n" . str_repeat($tab, $indent_level);
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| 76 | }
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| 77 | else
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| 78 | {
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| 79 | $new_json .= $char;
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| 80 | }
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| 81 | break;
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| 82 | case ':':
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| 83 | if(!$in_string)
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| 84 | {
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| 85 | $new_json .= ": ";
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| 86 | }
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| 87 | else
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| 88 | {
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| 89 | $new_json .= $char;
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| 90 | }
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| 91 | break;
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| 92 | case '"':
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| 93 | if($c > 0 && $json[$c-1] != '\\')
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| 94 | {
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| 95 | $in_string = !$in_string;
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| 96 | }
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| 97 | default:
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| 98 | $new_json .= $char;
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| 99 | break;
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| 100 | }
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| 101 | }
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| 102 |
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| 103 | return $new_json;
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| 104 | }
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| 105 |
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