o2system /
parser
| 1 | <?php |
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| 2 | /** |
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| 3 | * This file is part of the O2System Framework package. |
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| 4 | * |
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| 5 | * For the full copyright and license information, please view the LICENSE |
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| 6 | * file that was distributed with this source code. |
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| 7 | * |
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| 8 | * @author Steeve Andrian Salim |
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| 9 | * @copyright Copyright (c) Steeve Andrian Salim |
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| 10 | */ |
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| 11 | |||||
| 12 | // ------------------------------------------------------------------------ |
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| 13 | |||||
| 14 | namespace O2System\Parser\Template\Engines; |
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| 15 | |||||
| 16 | // ------------------------------------------------------------------------ |
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| 17 | |||||
| 18 | use O2System\Parser\Template\Abstracts\AbstractEngine; |
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| 19 | use O2System\Spl\Traits\Collectors\ConfigCollectorTrait; |
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| 20 | |||||
| 21 | /** |
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| 22 | * Class Blade |
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| 23 | * |
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| 24 | * @package O2System\Parser\Template\Engines |
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| 25 | * |
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| 26 | * @todo : |
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| 27 | * 1. @include (done) |
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| 28 | * 2. @each (done) |
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| 29 | * 3. @inject |
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| 30 | * 4. @stack |
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| 31 | * 5. @push |
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| 32 | * 6. @verbatim |
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| 33 | */ |
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| 34 | class Blade extends AbstractEngine |
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| 35 | {
|
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| 36 | use ConfigCollectorTrait; |
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| 37 | |||||
| 38 | /** |
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| 39 | * Blade::$extensions |
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| 40 | * |
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| 41 | * List of blade file extensions. |
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| 42 | * |
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| 43 | * @var array |
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| 44 | */ |
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| 45 | protected $extensions = [ |
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| 46 | '.php', |
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| 47 | '.blade.php', |
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| 48 | '.phtml', |
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| 49 | ]; |
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| 50 | |||||
| 51 | /** |
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| 52 | * Blade::$vars |
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| 53 | * |
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| 54 | * Blade variables |
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| 55 | * |
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| 56 | * @var array |
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| 57 | */ |
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| 58 | protected $vars = []; |
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| 59 | |||||
| 60 | /** |
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| 61 | * Blade::$sections |
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| 62 | * |
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| 63 | * List of blade sections. |
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| 64 | * |
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| 65 | * @var array |
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| 66 | */ |
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| 67 | protected $sections = []; |
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| 68 | |||||
| 69 | // ------------------------------------------------------------------------ |
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| 70 | |||||
| 71 | /** |
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| 72 | * Blade::__construct |
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| 73 | * |
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| 74 | * @param array $config |
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| 75 | */ |
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| 76 | public function __construct(array $config = []) |
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| 77 | {
|
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| 78 | $this->config = array_merge([ |
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| 79 | 'allowPhpGlobals' => true, |
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| 80 | 'allowPhpFunctions' => true, |
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| 81 | 'allowPhpConstants' => true, |
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| 82 | ], $config); |
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| 83 | } |
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| 84 | |||||
| 85 | // ------------------------------------------------------------------------ |
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| 86 | |||||
| 87 | /** |
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| 88 | * Blade::parseString |
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| 89 | * |
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| 90 | * @param string $string |
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| 91 | * @param array $vars |
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| 92 | * |
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| 93 | * @return bool|string |
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| 94 | */ |
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| 95 | public function parseString($string, array $vars = []) |
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| 96 | {
|
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| 97 | $this->vars =& $vars; |
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| 98 | |||||
| 99 | // Collect sections with no closing |
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| 100 | $string = preg_replace_callback('/@section((.*),(.*))/', [&$this, 'collectSection'], $string);
|
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| 101 | |||||
| 102 | // Collect sections with @show closing |
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| 103 | $string = preg_replace_callback( |
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| 104 | '/@section(.*)\s+(.*)\s+@show/', |
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| 105 | [&$this, 'collectSectionWithShow'], |
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| 106 | $string |
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| 107 | ); |
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| 108 | |||||
| 109 | // Collect sections with @endsection closing |
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| 110 | $string = preg_replace_callback( |
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| 111 | '/@section(.*)\s+(.*)\s+@endsection/', |
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| 112 | [&$this, 'collectSectionWithEnd'], |
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| 113 | $string |
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| 114 | ); |
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| 115 | |||||
| 116 | // Collect sections with @stop closing |
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| 117 | $string = preg_replace_callback( |
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| 118 | '/@section(.*)\s+(.*)\s+@stop/', |
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| 119 | [&$this, 'collectSectionWithEnd'], |
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| 120 | $string |
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| 121 | ); |
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| 122 | |||||
| 123 | // Collect sections with @overwrite closing |
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| 124 | $string = preg_replace_callback( |
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| 125 | '/@section(.*)\s+(.*)\s+@overwrite/', |
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| 126 | [&$this, 'collectSectionWithEnd'], |
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| 127 | $string |
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| 128 | ); |
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| 129 | |||||
| 130 | // Collect sections with @parent |
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| 131 | $string = preg_replace_callback( |
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| 132 | '/@section(.*)\s+@parent\s+(.*)\s+@endsection/', |
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| 133 | [&$this, 'collectSectionWithParent'], |
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| 134 | $string |
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| 135 | ); |
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| 136 | |||||
| 137 | // Remove blank lines |
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| 138 | $string = preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $string);
|
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| 139 | |||||
| 140 | return $this->replaceString($string); |
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| 141 | } |
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| 142 | |||||
| 143 | // ------------------------------------------------------------------------ |
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| 144 | |||||
| 145 | /** |
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| 146 | * Blade::replaceString |
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| 147 | * |
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| 148 | * @param string $string |
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| 149 | * |
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| 150 | * @return bool|string |
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| 151 | */ |
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| 152 | private function replaceString($string) |
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| 153 | {
|
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| 154 | if ($this->config[ 'allowPhpGlobals' ] === false) {
|
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| 155 | $string = str_replace( |
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| 156 | [ |
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| 157 | '{{$GLOBALS}}',
|
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| 158 | '{{$GLOBALS[%%]}}',
|
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| 159 | '{{$_SERVER}}',
|
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| 160 | '{{$_SERVER[%%]}}',
|
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| 161 | '{{$_GET}}',
|
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| 162 | '{{$_GET[%%]}}',
|
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| 163 | '{{$_POST}}',
|
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| 164 | '{{$_POST[%%]}}',
|
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| 165 | '{{$_FILES}}',
|
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| 166 | '{{$_FILES[%%]}}',
|
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| 167 | '{{$_COOKIE}}',
|
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| 168 | '{{$_COOKIE[%%]}}',
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| 169 | '{{$_SESSION}}',
|
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| 170 | '{{$_SESSION[%%]}}',
|
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| 171 | '{{$_REQUEST}}',
|
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| 172 | '{{$_REQUEST[%%]}}',
|
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| 173 | '{{$_ENV}}',
|
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| 174 | '{{$_ENV[%%]}}',
|
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| 175 | |||||
| 176 | // with spaces |
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| 177 | '{{ $GLOBALS }}',
|
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| 178 | '{{ $GLOBALS[%%] }}',
|
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| 179 | '{{ $GLOBALS.%% }}',
|
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| 180 | '{{ $_SERVER }}',
|
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| 181 | '{{ $_SERVER[%%] }}',
|
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| 182 | '{{ $_SERVER.%% }}',
|
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| 183 | '{{ $_GET }}',
|
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| 184 | '{{ $_GET[%%] }}',
|
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| 185 | '{{ $_GET.%% }}',
|
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| 186 | '{{ $_POST }}',
|
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| 187 | '{{ $_POST[%%] }}',
|
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| 188 | '{{ $_POST.%% }}',
|
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| 189 | '{{ $_FILES }}',
|
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| 190 | '{{ $_FILES[%%] }}',
|
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| 191 | '{{ $_FILES.%% }}',
|
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| 192 | '{{ $_COOKIE }}',
|
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| 193 | '{{ $_COOKIE[%%] }}',
|
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| 194 | '{{ $_COOKIE.%% }}',
|
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| 195 | '{{ $_SESSION }}',
|
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| 196 | '{{ $_SESSION[%%] }}',
|
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| 197 | '{{ $_SESSION.%% }}',
|
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| 198 | '{{ $_REQUEST }}',
|
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| 199 | '{{ $_REQUEST[%%] }}',
|
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| 200 | '{{ $_REQUEST.%% }}',
|
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| 201 | '{{ $_ENV }}',
|
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| 202 | '{{ $_ENV[%%] }}',
|
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| 203 | '{{ $_ENV.%% }}',
|
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| 204 | ], |
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| 205 | '', |
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| 206 | $string |
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| 207 | ); |
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| 208 | } |
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| 209 | |||||
| 210 | // php logical codes |
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| 211 | $logicalCodes = [ |
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| 212 | '@if(%%)' => '<?php if(\1): ?>', |
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| 213 | '@elseif(%%)' => '<?php elseif(\1): ?>', |
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| 214 | '@endif' => '<?php endif; ?>', |
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| 215 | '@else' => '<?php else: ?>', |
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| 216 | '@unless(%%)' => '<?php if(\1): ?>', |
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| 217 | '@endunless' => '<?php endif; ?>', |
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| 218 | |||||
| 219 | // with spaces |
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| 220 | '@if( %% )' => '<?php if(\1): ?>', |
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| 221 | '@elseif( %% )' => '<?php elseif(\1): ?>', |
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| 222 | '@unless( %% )' => '<?php if(\1): ?>', |
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| 223 | '@if (%%)' => '<?php if(\1): ?>', |
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| 224 | '@elseif (%%)' => '<?php elseif(\1): ?>', |
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| 225 | '@unless (%%)' => '<?php if(\1): ?>', |
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| 226 | '@if ( %% )' => '<?php if(\1): ?>', |
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| 227 | '@elseif ( %% )' => '<?php elseif(\1): ?>', |
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| 228 | '@unless ( %% )' => '<?php if(\1): ?>', |
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| 229 | ]; |
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| 230 | |||||
| 231 | // php loop codes |
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| 232 | $loopCodes = [ |
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| 233 | '@foreach(%%)' => '<?php foreach(\1): ?>', |
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| 234 | '@endforeach' => '<?php endforeach; ?>', |
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| 235 | '@for(%%)' => '<?php for(\1): ?>', |
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| 236 | '@endfor' => '<?php endfor; ?>', |
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| 237 | '@while(%%)' => '<?php while(\1): ?>', |
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| 238 | '@endwhile' => '<?php endwhile; ?>', |
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| 239 | '@continue' => '<?php continue; ?>', |
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| 240 | '@break' => '<?php break; ?>', |
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| 241 | |||||
| 242 | // with spaces |
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| 243 | '@foreach (%%)' => '<?php foreach(\1): ?>', |
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| 244 | '@for (%%)' => '<?php for(\1): ?>', |
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| 245 | '@while (%%)' => '<?php while(\1): ?>', |
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| 246 | ]; |
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| 247 | |||||
| 248 | // php function codes |
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| 249 | $functionsCodes = [ |
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| 250 | '@lang(%%)' => '<?php echo $language->getLine(\1); ?>', |
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| 251 | '@include(%%)' => '<?php echo $this->parseFile(\1); ?>', |
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| 252 | '@include(%%, %%)' => '<?php echo $this->parseFile(\1, \2); ?>', |
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| 253 | '@yield(%%)' => '<?php echo $this->sections[\1]; ?>', |
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| 254 | '@each(%%, %%, %%)' => '<?php echo $this->parsePartials(\1, \2, \3); ?>', |
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| 255 | '@extends(%%)' => '@extends not supported', |
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| 256 | '@choice(%%,%%)' => '@choice not supported', |
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| 257 | |||||
| 258 | // with spaces |
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| 259 | '@lang (%%)' => '<?php echo $language->getLine(\1); ?>', |
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| 260 | '@include (%%)' => '<?php echo $this->parseFile(\1); ?>', |
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| 261 | '@include (%%, %%)' => '<?php echo $this->parseFile(\1, \2); ?>', |
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| 262 | '@yield (%%)' => '<?php echo $this->sections[\1]; ?>', |
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| 263 | '@each (%%, %%, %%)' => '<?php echo $this->parsePartials(\1, \2, \3); ?>', |
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| 264 | '@extends (%%)' => '@extends not supported', |
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| 265 | '@choice (%%,%%)' => '@choice not supported', |
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| 266 | '@lang( %% )' => '<?php echo $language->getLine(\1); ?>', |
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| 267 | '@include( %% )' => '<?php echo $this->parseFile(\1); ?>', |
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| 268 | '@include( %%, %% )' => '<?php echo $this->parseFile(\1, \2); ?>', |
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| 269 | '@yield( %% )' => '<?php echo $this->sections[\1]; ?>', |
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| 270 | '@each( %%, %%, %% )' => '<?php echo $this->parsePartials(\1, \2, \3); ?>', |
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| 271 | '@extends( %% )' => '@extends not supported', |
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| 272 | '@choice( %%,%% )' => '@choice not supported', |
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| 273 | ]; |
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| 274 | |||||
| 275 | if ($this->config[ 'allowPhpFunctions' ] === false) {
|
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| 276 | $functionsCodes[ '@%%(%%)' ] = ''; |
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| 277 | } elseif (is_array($this->config[ 'allowPhpFunctions' ]) AND count( |
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| 278 | $this->config[ 'allowPhpFunctions' ] |
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| 279 | ) > 0 |
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| 280 | ) {
|
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| 281 | foreach ($this->config[ 'allowPhpFunctions' ] as $functionName) {
|
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| 282 | $functionsCodes[ '@' . $functionName . '(%%)' ] = '<?php echo ' . $functionName . '(\1); ?>'; |
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| 283 | } |
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| 284 | } |
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| 285 | |||||
| 286 | // php variables codes |
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| 287 | $variablesCodes = [ |
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| 288 | '{{%% ? %% : %%}}' => '<?php echo (\1 ? \2 : \3); ?>',
|
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| 289 | '{{%% or %%}}' => '<?php echo ( empty(\1) ? \2 : \1 ); ?>',
|
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| 290 | '{{%% || %%}}' => '<?php echo ( empty(\1) ? \2 : \1 ); ?>',
|
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| 291 | '{{$%%->%%(%%)}}' => '<?php echo $\1->\2(\3); ?>',
|
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| 292 | '{{$%%->%%}}' => '<?php echo @$\1->\2; ?>',
|
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| 293 | '{{$%%[%%]}}' => '<?php echo @$\1[\2]; ?>',
|
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| 294 | '{{$%%.%%}}' => '<?php echo @$\1[\2]; ?>',
|
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| 295 | '{{$%% = %%}}' => '<?php $\1 = \2; ?>',
|
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| 296 | '{{$%%++}}' => '<?php $\1++; ?>',
|
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| 297 | '{{$%%--}}' => '<?php $\1--; ?>',
|
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| 298 | '{{$%%}}' => '<?php echo (!empty($\1) ? $\1 : ""); ?>',
|
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| 299 | '{{/*}}' => '<?php /*',
|
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| 300 | '{{*/}}' => '*/ ?>',
|
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| 301 | '{{%%}}' => '<?php echo (\1); ?>',
|
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| 302 | '{{!! $%% !!}}' => '<?php echo htmlentities($\1, ENT_HTML5); ?>',
|
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| 303 | '{{-- %% --}}' => '',
|
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| 304 | |||||
| 305 | // with spaces |
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| 306 | '{{ %% ? %% : %% }}' => '<?php echo (\1 ? \2 : \3); ?>',
|
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| 307 | '{{ %% or %% }}' => '<?php echo ( empty(\1) ? \2 : \1 ); ?>',
|
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| 308 | '{{ %% || %% }}' => '<?php echo ( empty(\1) ? \2 : \1 ); ?>',
|
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| 309 | '{{ $%%->%%(%%) }}' => '<?php echo $\1->\2(\3); ?>',
|
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| 310 | '{{ $%%->%% }}' => '<?php echo @$\1->\2; ?>',
|
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| 311 | '{{ $%%[%%] }}' => '<?php echo @$\1[\2]; ?>',
|
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| 312 | '{{ $%%.%% }}' => '<?php echo @$\1[\2]; ?>',
|
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| 313 | '{{ $%% = %% }}' => '<?php $\1 = \2; ?>',
|
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| 314 | '{{ $%%++ }}' => '<?php $\1++; ?>',
|
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| 315 | '{{ $%%-- }}' => '<?php $\1--; ?>',
|
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| 316 | '{{ $%% }}' => '<?php echo (!empty($\1) ? $\1 : ""); ?>',
|
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| 317 | '{{ /* }}' => '<?php /*',
|
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| 318 | '{{ */ }}' => '*/ ?>',
|
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| 319 | '{{ %% }}' => '<?php echo (\1); ?>',
|
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| 320 | ]; |
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| 321 | |||||
| 322 | if ($this->config[ 'allowPhpConstants' ] === true) {
|
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| 323 | $constantsVariables = get_defined_constants(true); |
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| 324 | |||||
| 325 | if ( ! empty($constantsVariables[ 'user' ])) {
|
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| 326 | foreach ($constantsVariables[ 'user' ] as $constant => $value) {
|
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| 327 | $variablesCodes[ '{{ ' . $constant . ' }}' ] = '<?php echo ' . $constant . '; ?>';
|
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| 328 | } |
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| 329 | } |
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| 330 | } |
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| 331 | |||||
| 332 | $phpCodes = array_merge($logicalCodes, $loopCodes, $functionsCodes, $variablesCodes); |
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| 333 | |||||
| 334 | $patterns = $replace = []; |
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| 335 | foreach ($phpCodes as $tplCode => $phpCode) {
|
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| 336 | $patterns[] = '#' . str_replace('%%', '(.+)', preg_quote($tplCode, '#')) . '#U';
|
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| 337 | $replace[] = $phpCode; |
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| 338 | } |
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| 339 | |||||
| 340 | /*replace our pseudo language in template with php code*/ |
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| 341 | $string = preg_replace($patterns, $replace, $string); |
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| 342 | |||||
| 343 | extract($this->vars); |
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| 344 | |||||
| 345 | /* |
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| 346 | * Buffer the output |
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| 347 | * |
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| 348 | * We buffer the output for two reasons: |
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| 349 | * 1. Speed. You get a significant speed boost. |
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| 350 | * 2. So that the final rendered template can be post-processed by |
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| 351 | * the output class. Why do we need post processing? For one thing, |
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| 352 | * in order to show the elapsed page load time. Unless we can |
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| 353 | * intercept the content right before it's sent to the browser and |
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| 354 | * then stop the timer it won't be accurate. |
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| 355 | */ |
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| 356 | ob_start(); |
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| 357 | |||||
| 358 | echo eval('?>' . preg_replace('/;*\s*\?>/', '; ?>', $string));
|
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| 359 | |||||
| 360 | $output = ob_get_contents(); |
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| 361 | @ob_end_clean(); |
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| 362 | |||||
| 363 | return $output; |
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| 364 | } |
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| 365 | |||||
| 366 | // ------------------------------------------------------------------------ |
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| 367 | |||||
| 368 | /** |
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| 369 | * Blade::collectSection |
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| 370 | * |
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| 371 | * @param string $match |
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| 372 | * |
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| 373 | * @return string |
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| 374 | */ |
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| 375 | private function collectSection($match) |
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| 376 | {
|
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| 377 | $section = str_replace(['\'', '(', ')'], '', trim($match[ 1 ]));
|
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| 378 | $xSection = explode(',', $section);
|
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| 379 | $xSection = array_map('trim', $xSection);
|
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| 380 | |||||
| 381 | $this->sections[ $xSection[ 0 ] ] = $this->replaceString($xSection[ 1 ]); |
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| 382 | |||||
| 383 | return ''; |
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| 384 | } |
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| 385 | |||||
| 386 | // ------------------------------------------------------------------------ |
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| 387 | |||||
| 388 | /** |
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| 389 | * Blade::collectSectionWithShow |
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| 390 | * |
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| 391 | * @param string $match |
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| 392 | * |
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| 393 | * @return string |
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| 394 | */ |
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| 395 | private function collectSectionWithShow($match) |
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| 396 | {
|
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| 397 | $offset = str_replace(['(\'', '\')'], '', trim($match[ 1 ])); |
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| 398 | $this->sections[ $offset ] = $this->replaceString($match[ 2 ]); |
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| 399 | |||||
| 400 | return '@yield(\'' . $offset . '\')'; |
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| 401 | } |
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| 402 | |||||
| 403 | // ------------------------------------------------------------------------ |
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| 404 | |||||
| 405 | /** |
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| 406 | * Blade::collectSectionWithEnd |
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| 407 | * |
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| 408 | * @param string $match |
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| 409 | * |
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| 410 | * @return string |
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| 411 | */ |
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| 412 | private function collectSectionWithEnd($match) |
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| 413 | {
|
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| 414 | $offset = str_replace(['(\'', '\')'], '', trim($match[ 1 ])); |
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| 415 | $content = trim($match[ 2 ]); |
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| 416 | |||||
| 417 | $this->sections[ $offset ] = $this->replaceString($content); |
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| 418 | |||||
| 419 | return ''; |
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| 420 | } |
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| 421 | |||||
| 422 | // ------------------------------------------------------------------------ |
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| 423 | |||||
| 424 | /** |
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| 425 | * Blade::collectSectionWithParent |
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| 426 | * |
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| 427 | * @param string $match |
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| 428 | * |
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| 429 | * @return string |
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| 430 | */ |
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| 431 | private function collectSectionWithParent($match) |
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| 432 | {
|
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| 433 | $offset = str_replace(['(\'', '\')'], '', trim($match[ 1 ])); |
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| 434 | $content = $this->replaceString($match[ 2 ]); |
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| 435 | |||||
| 436 | if (isset($this->sections[ $offset ])) {
|
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| 437 | $this->sections[ $offset ] .= PHP_EOL . $content; |
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| 438 | } else {
|
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| 439 | $this->sections[ $offset ] = $content; |
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| 440 | } |
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| 441 | |||||
| 442 | return ''; |
||||
| 443 | } |
||||
| 444 | } |