1 | <?php |
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2 | |||||
3 | declare(strict_types=1); |
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4 | |||||
5 | namespace Yiisoft\Yii\Debug\Helper\StreamWrapper; |
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6 | |||||
7 | use Throwable; |
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8 | |||||
9 | use function trigger_error; |
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10 | |||||
11 | use const E_USER_ERROR; |
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12 | use const STREAM_MKDIR_RECURSIVE; |
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13 | use const STREAM_URL_STAT_QUIET; |
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14 | use const STREAM_USE_PATH; |
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15 | |||||
16 | final class StreamWrapper implements StreamWrapperInterface |
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17 | { |
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18 | private const STREAM_OPEN_FOR_INCLUDE = 128; |
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19 | |||||
20 | /** |
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21 | * @var resource|null |
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22 | */ |
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23 | public mixed $context = null; |
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24 | |||||
25 | public ?string $filename = null; |
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26 | |||||
27 | /** |
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28 | * @var resource|null |
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29 | */ |
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30 | public $stream = null; |
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31 | |||||
32 | public function dir_closedir(): bool |
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33 | { |
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34 | /** |
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35 | * @psalm-suppress PossiblyNullArgument |
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36 | */ |
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37 | closedir($this->stream); |
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38 | |||||
39 | /** |
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40 | * @psalm-suppress RedundantCondition |
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41 | */ |
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42 | return is_resource($this->stream); |
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43 | } |
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44 | |||||
45 | public function dir_opendir(string $path, int $options): bool |
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46 | { |
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47 | $this->filename = $path; |
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48 | |||||
49 | /** |
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50 | * @psalm-suppress PossiblyNullArgument |
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51 | */ |
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52 | $this->stream = opendir($path, $this->context); |
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53 | return is_resource($this->stream); |
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54 | } |
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55 | |||||
56 | public function dir_readdir(): false|string |
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57 | { |
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58 | /** |
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59 | * @psalm-suppress PossiblyNullArgument |
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60 | */ |
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61 | return readdir($this->stream); |
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62 | } |
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63 | |||||
64 | public function dir_rewinddir(): bool |
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65 | { |
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66 | if (!is_resource($this->stream)) { |
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67 | return false; |
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68 | } |
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69 | |||||
70 | rewinddir($this->stream); |
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71 | |||||
72 | /** |
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73 | * @noinspection PhpConditionAlreadyCheckedInspection |
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74 | * @psalm-suppress RedundantCondition |
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75 | */ |
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76 | return is_resource($this->stream); |
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77 | } |
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78 | |||||
79 | public function mkdir(string $path, int $mode, int $options): bool |
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80 | { |
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81 | $this->filename = $path; |
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82 | |||||
83 | /** |
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84 | * @psalm-suppress PossiblyNullArgument |
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85 | */ |
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86 | return mkdir($path, $mode, ($options & STREAM_MKDIR_RECURSIVE) === STREAM_MKDIR_RECURSIVE, $this->context); |
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87 | } |
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88 | |||||
89 | public function rename(string $path_from, string $path_to): bool |
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90 | { |
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91 | /** |
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92 | * @psalm-suppress PossiblyNullArgument |
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93 | */ |
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94 | return rename($path_from, $path_to, $this->context); |
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95 | } |
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96 | |||||
97 | public function rmdir(string $path, int $options): bool |
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98 | { |
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99 | /** |
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100 | * @psalm-suppress PossiblyNullArgument |
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101 | */ |
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102 | return rmdir($path, $this->context); |
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103 | } |
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104 | |||||
105 | /** |
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106 | * @psalm-suppress InvalidReturnType Unfortunately, I don't know what to return here. |
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107 | */ |
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108 | public function stream_cast(int $castAs): void |
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109 | { |
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110 | // ??? |
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111 | } |
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112 | |||||
113 | public function stream_eof(): bool |
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114 | { |
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115 | /** |
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116 | * @psalm-suppress PossiblyNullArgument |
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117 | */ |
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118 | return feof($this->stream); |
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119 | } |
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120 | |||||
121 | public function stream_open(string $path, string $mode, int $options, ?string &$opened_path): bool |
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122 | { |
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123 | $this->filename = realpath($path) ?: $path; |
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124 | |||||
125 | if ((self::STREAM_OPEN_FOR_INCLUDE & $options) === self::STREAM_OPEN_FOR_INCLUDE && function_exists( |
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126 | 'opcache_invalidate' |
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127 | )) { |
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128 | opcache_invalidate($path, false); |
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129 | } |
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130 | $this->stream = fopen( |
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131 | $path, |
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132 | $mode, |
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133 | ($options & STREAM_USE_PATH) === STREAM_USE_PATH, |
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134 | (self::STREAM_OPEN_FOR_INCLUDE & $options) === self::STREAM_OPEN_FOR_INCLUDE ? null : $this->context |
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135 | ); |
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136 | |||||
137 | if (!is_resource($this->stream)) { |
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138 | return false; |
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139 | } |
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140 | |||||
141 | if ($opened_path !== null) { |
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142 | $metaData = stream_get_meta_data($this->stream); |
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143 | $opened_path = $metaData['uri']; |
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144 | } |
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145 | return true; |
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146 | } |
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147 | |||||
148 | public function stream_read(int $count): string|false |
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149 | { |
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150 | /** |
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151 | * @psalm-suppress PossiblyNullArgument |
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152 | */ |
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153 | return fread($this->stream, $count); |
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154 | } |
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155 | |||||
156 | public function stream_seek(int $offset, int $whence = SEEK_SET): bool |
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157 | { |
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158 | /** |
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159 | * @psalm-suppress PossiblyNullArgument |
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160 | */ |
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161 | return fseek($this->stream, $offset, $whence) !== -1; |
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162 | } |
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163 | |||||
164 | public function stream_set_option(int $option, int $arg1, int $arg2): bool |
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165 | { |
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166 | /** |
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167 | * @psalm-suppress PossiblyNullArgument |
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168 | */ |
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169 | return match ($option) { |
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170 | STREAM_OPTION_BLOCKING => stream_set_blocking($this->stream, $arg1 === STREAM_OPTION_BLOCKING), |
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171 | STREAM_OPTION_READ_TIMEOUT => stream_set_timeout($this->stream, $arg1, $arg2), |
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172 | STREAM_OPTION_WRITE_BUFFER => stream_set_write_buffer($this->stream, $arg2) === 0, |
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173 | default => false, |
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174 | }; |
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175 | } |
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176 | |||||
177 | public function stream_stat(): array|false |
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178 | { |
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179 | /** |
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180 | * @psalm-suppress PossiblyNullArgument |
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181 | */ |
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182 | return fstat($this->stream); |
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183 | } |
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184 | |||||
185 | public function stream_tell(): int |
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186 | { |
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187 | /** |
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188 | * @psalm-suppress PossiblyNullArgument |
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189 | */ |
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190 | return ftell($this->stream); |
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191 | } |
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192 | |||||
193 | public function stream_write(string $data): int |
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194 | { |
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195 | /** |
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196 | * @psalm-suppress PossiblyNullArgument |
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197 | */ |
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198 | return fwrite($this->stream, $data); |
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199 | } |
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200 | |||||
201 | public function url_stat(string $path, int $flags): array|false |
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202 | { |
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203 | try { |
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204 | if (($flags & STREAM_URL_STAT_QUIET) === STREAM_URL_STAT_QUIET) { |
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205 | return @stat($path); |
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206 | } |
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207 | return stat($path); |
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208 | } catch (Throwable $e) { |
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209 | if (($flags & STREAM_URL_STAT_QUIET) === STREAM_URL_STAT_QUIET) { |
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210 | return false; |
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211 | } |
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212 | trigger_error($e->getMessage(), E_USER_ERROR); |
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In this branch, the function will implicitly return
null which is incompatible with the type-hinted return array|false . Consider adding a return statement or allowing null as return value.
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: interface ReturnsInt {
public function returnsIntHinted(): int;
}
class MyClass implements ReturnsInt {
public function returnsIntHinted(): int
{
if (foo()) {
return 123;
}
// here: null is implicitly returned
}
}
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213 | } |
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214 | } |
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215 | |||||
216 | public function stream_metadata(string $path, int $option, mixed $value): bool |
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217 | { |
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218 | return match ($option) { |
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219 | STREAM_META_TOUCH => touch($path, ...$value), |
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$value is expanded, but the parameter $mtime of touch() does not expect variable arguments.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
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220 | STREAM_META_OWNER_NAME, STREAM_META_OWNER => chown($path, $value), |
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221 | STREAM_META_GROUP_NAME, STREAM_META_GROUP => chgrp($path, $value), |
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222 | STREAM_META_ACCESS => chmod($path, $value), |
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223 | default => false |
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224 | }; |
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225 | } |
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226 | |||||
227 | public function stream_flush(): bool |
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228 | { |
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229 | /** |
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230 | * @psalm-suppress PossiblyNullArgument |
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231 | */ |
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232 | return fflush($this->stream); |
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233 | } |
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234 | |||||
235 | public function stream_close(): void |
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236 | { |
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237 | /** |
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238 | * @psalm-suppress InvalidPropertyAssignmentValue |
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239 | */ |
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240 | if ($this->stream !== null) { |
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241 | fclose($this->stream); |
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242 | } |
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243 | $this->stream = null; |
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244 | } |
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245 | |||||
246 | public function stream_lock(int $operation): bool |
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247 | { |
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248 | if ($operation === 0) { |
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249 | $operation = LOCK_EX; |
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250 | } |
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251 | |||||
252 | /** |
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253 | * @psalm-suppress PossiblyNullArgument |
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254 | */ |
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255 | return flock($this->stream, $operation); |
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256 | } |
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257 | |||||
258 | public function stream_truncate(int $new_size): bool |
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259 | { |
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260 | /** |
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261 | * @psalm-suppress PossiblyNullArgument |
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262 | */ |
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263 | return ftruncate($this->stream, $new_size); |
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264 | } |
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265 | |||||
266 | public function unlink(string $path): bool |
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267 | { |
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268 | /** |
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269 | * @psalm-suppress PossiblyNullArgument |
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270 | */ |
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271 | return unlink($path, $this->context); |
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272 | } |
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273 | } |
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274 |