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1 | <?php |
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2 | |||
3 | namespace N98\Magento\Command\Database; |
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4 | |||
5 | use Exception; |
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6 | use N98\Magento\Command\Database\Compressor\AbstractCompressor; |
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7 | use Symfony\Component\Console\Input\InputArgument; |
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8 | use Symfony\Component\Console\Input\InputInterface; |
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9 | use Symfony\Component\Console\Input\InputOption; |
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10 | use Symfony\Component\Console\Output\OutputInterface; |
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11 | |||
12 | /** |
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13 | * Class ImportCommand |
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14 | * @package N98\Magento\Command\Database |
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15 | */ |
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16 | class ImportCommand extends AbstractDatabaseCommand |
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17 | { |
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18 | protected function configure() |
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19 | { |
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20 | parent::configure(); |
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21 | $this |
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22 | ->setName('db:import') |
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23 | ->addArgument('filename', InputArgument::OPTIONAL, 'Dump filename') |
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24 | ->addOption('compression', 'c', InputOption::VALUE_REQUIRED, 'The compression of the specified file') |
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25 | ->addOption('only-command', null, InputOption::VALUE_NONE, 'Print only mysql command. Do not execute') |
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26 | ->addOption('only-if-empty', null, InputOption::VALUE_NONE, 'Imports only if database is empty') |
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27 | ->addOption( |
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28 | 'optimize', |
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29 | null, |
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30 | InputOption::VALUE_NONE, |
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31 | 'Convert verbose INSERTs to short ones before import (not working with compression)' |
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32 | ) |
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33 | ->addOption('drop', null, InputOption::VALUE_NONE, 'Drop and recreate database before import') |
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34 | ->addOption('drop-tables', null, InputOption::VALUE_NONE, 'Drop tables before import') |
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35 | ->addOption('force', null, InputOption::VALUE_NONE, 'Continue even if an SQL error occurs') |
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36 | ->setDescription('Imports database with mysql cli client according to database defined in env.php'); |
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37 | |||
38 | $help = <<<HELP |
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39 | Imports an SQL file with mysql cli client into current configured database. |
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40 | |||
41 | You need to have MySQL client tools installed on your system. |
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42 | HELP; |
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43 | $this->setHelp($help); |
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44 | } |
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45 | |||
46 | /** |
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47 | * @return bool |
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48 | */ |
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49 | public function isEnabled() |
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50 | { |
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51 | return function_exists('exec'); |
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52 | } |
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53 | |||
54 | /** |
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55 | * Optimize a dump by converting single INSERTs per line to INSERTs with multiple lines |
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56 | * as well as wrapping everything into one transaction. |
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57 | * @param $fileName |
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58 | * @return string temporary filename |
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59 | */ |
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60 | protected function optimize($fileName) |
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61 | { |
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62 | $in = fopen($fileName, 'r'); |
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63 | $result = tempnam(sys_get_temp_dir(), 'dump') . '.sql'; |
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64 | $out = fopen($result, 'w'); |
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65 | fwrite($out, 'SET autocommit=0;' . "\n"); |
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66 | $currentTable = ''; |
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67 | $maxlen = 8 * 1024 * 1024; // 8 MB |
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68 | $len = 0; |
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69 | while ($line = fgets($in)) { |
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70 | if (strtolower(substr($line, 0, 11)) == 'insert into') { |
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71 | preg_match('/^insert into `(.*)` \([^)]*\) values (.*);/i', $line, $m); |
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72 | View Code Duplication | if (count($m) < 3) { // fallback for very long lines or other cases where the preg_match fails |
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73 | if ($currentTable != '') { |
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74 | fwrite($out, ";\n"); |
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75 | } |
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76 | fwrite($out, $line); |
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77 | $currentTable = ''; |
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78 | continue; |
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79 | } |
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80 | $table = $m[1]; |
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81 | $values = $m[2]; |
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82 | if ($table != $currentTable || ($len > $maxlen - 1000)) { |
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83 | if ($currentTable != '') { |
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84 | fwrite($out, ";\n"); |
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85 | } |
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86 | $currentTable = $table; |
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87 | $insert = 'INSERT INTO `' . $table . '` VALUES ' . $values; |
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88 | fwrite($out, $insert); |
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89 | $len = strlen($insert); |
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90 | } else { |
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91 | fwrite($out, ',' . $values); |
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92 | $len += strlen($values) + 1; |
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93 | } |
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94 | View Code Duplication | } else { |
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95 | if ($currentTable != '') { |
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96 | fwrite($out, ";\n"); |
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97 | $currentTable = ''; |
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98 | } |
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99 | fwrite($out, $line); |
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100 | } |
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101 | } |
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102 | fwrite($out, ";\n"); |
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103 | fwrite($out, 'COMMIT;' . "\n"); |
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104 | fclose($in); |
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105 | fclose($out); |
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106 | return $result; |
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107 | } |
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108 | |||
109 | /** |
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110 | * @param InputInterface $input |
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111 | * @param OutputInterface $output |
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112 | * @return int|null|void |
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113 | * @throws Exception |
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114 | */ |
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115 | protected function execute(InputInterface $input, OutputInterface $output) |
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116 | { |
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117 | $this->detectDbSettings($output); |
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118 | $this->writeSection($output, 'Import MySQL Database'); |
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119 | $dbHelper = $this->getHelper('database'); |
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120 | |||
121 | $fileName = $this->checkFilename($input); |
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122 | |||
123 | $compressor = AbstractCompressor::create($input->getOption('compression')); |
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124 | |||
125 | $exec = 'mysql '; |
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126 | if ($input->getOption('force')) { |
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127 | $exec = 'mysql --force '; |
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128 | } |
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129 | |||
130 | // create import command |
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131 | $exec = $compressor->getDecompressingCommand( |
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132 | $exec . $dbHelper->getMysqlClientToolConnectionString(), |
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133 | $fileName |
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134 | ); |
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135 | if ($input->getOption('only-command')) { |
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136 | $output->writeln($exec); |
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137 | |||
138 | return; |
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139 | } elseif ($input->getOption('only-if-empty') |
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140 | && count($dbHelper->getTables()) > 0 |
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141 | ) { |
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142 | $output->writeln('<comment>Skip import. Database is not empty</comment>'); |
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143 | |||
144 | return; |
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145 | } |
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146 | |||
147 | if ($input->getOption('optimize')) { |
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148 | if ($input->getOption('compression')) { |
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149 | throw new Exception('Options --compression and --optimize are not compatible'); |
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150 | } |
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151 | $output->writeln('<comment>Optimizing <info>' . $fileName . '</info> to temporary file'); |
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152 | $fileName = $this->optimize($fileName); |
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153 | } |
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154 | |||
155 | if ($input->getOption('drop')) { |
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156 | $dbHelper->dropDatabase($output); |
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157 | $dbHelper->createDatabase($output); |
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158 | } |
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159 | if ($input->getOption('drop-tables')) { |
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160 | $dbHelper->dropTables($output); |
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161 | } |
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162 | |||
163 | $this->doImport($output, $fileName, $exec); |
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164 | |||
165 | if ($input->getOption('optimize')) { |
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166 | unlink($fileName); |
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167 | } |
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168 | } |
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169 | |||
170 | public function asText() |
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171 | { |
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172 | return parent::asText() . "\n" . |
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173 | $this->getCompressionHelp(); |
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174 | } |
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175 | |||
176 | /** |
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177 | * @param InputInterface $input |
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178 | * |
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179 | * @return mixed |
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180 | * @throws \InvalidArgumentException |
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181 | */ |
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182 | protected function checkFilename(InputInterface $input) |
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183 | { |
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184 | $fileName = $input->getArgument('filename'); |
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185 | if (!file_exists($fileName)) { |
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186 | throw new \InvalidArgumentException('File does not exist'); |
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187 | } |
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188 | |||
189 | return $fileName; |
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190 | } |
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191 | |||
192 | /** |
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193 | * @param OutputInterface $output |
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194 | * @param string $fileName |
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195 | * @param string $exec |
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196 | * |
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197 | * @return void |
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198 | */ |
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199 | protected function doImport(OutputInterface $output, $fileName, $exec) |
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200 | { |
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201 | $returnValue = null; |
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202 | $commandOutput = null; |
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203 | $output->writeln( |
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204 | '<comment>Importing SQL dump <info>' . $fileName . '</info> to database <info>' |
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205 | . $this->dbSettings['dbname'] . '</info>' |
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206 | ); |
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207 | exec($exec, $commandOutput, $returnValue); |
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208 | if ($returnValue != 0) { |
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209 | $output->writeln('<error>' . implode(PHP_EOL, $commandOutput) . '</error>'); |
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210 | } |
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211 | $output->writeln('<info>Finished</info>'); |
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212 | } |
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213 | } |
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214 |
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
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