106 lines
1.9 KiB
PHP
106 lines
1.9 KiB
PHP
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<?php
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namespace WP_CLI;
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/**
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* Run a system process, and learn what happened.
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*/
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class Process {
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/**
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* @param string $command Command to execute.
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* @param string $cwd Directory to execute the command in.
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* @param array $env Environment variables to set when running the command.
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*/
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public static function create( $command, $cwd = null, $env = array() ) {
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$proc = new self;
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$proc->command = $command;
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$proc->cwd = $cwd;
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$proc->env = $env;
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return $proc;
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}
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private $command, $cwd, $env;
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private function __construct() {}
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/**
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* Run the command.
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*
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* @return ProcessRun
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*/
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public function run() {
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$cwd = $this->cwd;
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$descriptors = array(
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0 => STDIN,
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1 => array( 'pipe', 'w' ),
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2 => array( 'pipe', 'w' ),
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);
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$proc = proc_open( $this->command, $descriptors, $pipes, $cwd, $this->env );
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$stdout = stream_get_contents( $pipes[1] );
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fclose( $pipes[1] );
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$stderr = stream_get_contents( $pipes[2] );
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fclose( $pipes[2] );
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return new ProcessRun( array(
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'stdout' => $stdout,
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'stderr' => $stderr,
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'return_code' => proc_close( $proc ),
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'command' => $this->command,
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'cwd' => $cwd,
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'env' => $this->env
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) );
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}
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/**
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* Run the command, but throw an Exception on error.
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*
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* @return ProcessRun
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*/
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public function run_check() {
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$r = $this->run();
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if ( $r->return_code || !empty( $r->STDERR ) ) {
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throw new \RuntimeException( $r );
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}
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return $r;
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}
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}
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/**
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* Results of an executed command.
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*/
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class ProcessRun {
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/**
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* @var array $props Properties of executed command.
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*/
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public function __construct( $props ) {
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foreach ( $props as $key => $value ) {
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$this->$key = $value;
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}
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}
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/**
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* Return properties of executed command as a string.
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*
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* @return string
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*/
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public function __toString() {
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$out = "$ $this->command\n";
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$out .= "$this->stdout\n$this->stderr";
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$out .= "cwd: $this->cwd\n";
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$out .= "exit status: $this->return_code";
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return $out;
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}
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}
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