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exec.php
155 lines
| 1 | <?php |
| 2 | |
| 3 | namespace ProfilePressVendor\Safe; |
| 4 | |
| 5 | use ProfilePressVendor\Safe\Exceptions\ExecException; |
| 6 | /** |
| 7 | * proc_get_status fetches data about a |
| 8 | * process opened using proc_open. |
| 9 | * |
| 10 | * @param resource $process The proc_open resource that will |
| 11 | * be evaluated. |
| 12 | * @return array An array of collected information on success. The returned array contains the following elements: |
| 13 | * |
| 14 | * |
| 15 | * |
| 16 | * |
| 17 | * elementtypedescription |
| 18 | * |
| 19 | * |
| 20 | * |
| 21 | * command |
| 22 | * string |
| 23 | * |
| 24 | * The command string that was passed to proc_open. |
| 25 | * |
| 26 | * |
| 27 | * |
| 28 | * pid |
| 29 | * int |
| 30 | * process id |
| 31 | * |
| 32 | * |
| 33 | * running |
| 34 | * bool |
| 35 | * |
| 36 | * TRUE if the process is still running, FALSE if it has |
| 37 | * terminated. |
| 38 | * |
| 39 | * |
| 40 | * |
| 41 | * signaled |
| 42 | * bool |
| 43 | * |
| 44 | * TRUE if the child process has been terminated by |
| 45 | * an uncaught signal. Always set to FALSE on Windows. |
| 46 | * |
| 47 | * |
| 48 | * |
| 49 | * stopped |
| 50 | * bool |
| 51 | * |
| 52 | * TRUE if the child process has been stopped by a |
| 53 | * signal. Always set to FALSE on Windows. |
| 54 | * |
| 55 | * |
| 56 | * |
| 57 | * exitcode |
| 58 | * int |
| 59 | * |
| 60 | * The exit code returned by the process (which is only |
| 61 | * meaningful if running is FALSE). |
| 62 | * Only first call of this function return real value, next calls return |
| 63 | * -1. |
| 64 | * |
| 65 | * |
| 66 | * |
| 67 | * termsig |
| 68 | * int |
| 69 | * |
| 70 | * The number of the signal that caused the child process to terminate |
| 71 | * its execution (only meaningful if signaled is TRUE). |
| 72 | * |
| 73 | * |
| 74 | * |
| 75 | * stopsig |
| 76 | * int |
| 77 | * |
| 78 | * The number of the signal that caused the child process to stop its |
| 79 | * execution (only meaningful if stopped is TRUE). |
| 80 | * |
| 81 | * |
| 82 | * |
| 83 | * |
| 84 | * |
| 85 | * @throws ExecException |
| 86 | * |
| 87 | */ |
| 88 | function proc_get_status($process): array |
| 89 | { |
| 90 | error_clear_last(); |
| 91 | $result = \proc_get_status($process); |
| 92 | if ($result === \false) { |
| 93 | throw ExecException::createFromPhpError(); |
| 94 | } |
| 95 | return $result; |
| 96 | } |
| 97 | /** |
| 98 | * proc_nice changes the priority of the current |
| 99 | * process by the amount specified in increment. A |
| 100 | * positive increment will lower the priority of the |
| 101 | * current process, whereas a negative increment |
| 102 | * will raise the priority. |
| 103 | * |
| 104 | * proc_nice is not related to |
| 105 | * proc_open and its associated functions in any way. |
| 106 | * |
| 107 | * @param int $increment The new priority value, the value of this may differ on platforms. |
| 108 | * |
| 109 | * On Unix, a low value, such as -20 means high priority |
| 110 | * wheras a positive value have a lower priority. |
| 111 | * |
| 112 | * For Windows the increment parameter have the |
| 113 | * following meanings: |
| 114 | * @throws ExecException |
| 115 | * |
| 116 | */ |
| 117 | function proc_nice(int $increment): void |
| 118 | { |
| 119 | error_clear_last(); |
| 120 | $result = \proc_nice($increment); |
| 121 | if ($result === \false) { |
| 122 | throw ExecException::createFromPhpError(); |
| 123 | } |
| 124 | } |
| 125 | /** |
| 126 | * system is just like the C version of the |
| 127 | * function in that it executes the given |
| 128 | * command and outputs the result. |
| 129 | * |
| 130 | * The system call also tries to automatically |
| 131 | * flush the web server's output buffer after each line of output if |
| 132 | * PHP is running as a server module. |
| 133 | * |
| 134 | * If you need to execute a command and have all the data from the |
| 135 | * command passed directly back without any interference, use the |
| 136 | * passthru function. |
| 137 | * |
| 138 | * @param string $command The command that will be executed. |
| 139 | * @param int $return_var If the return_var argument is present, then the |
| 140 | * return status of the executed command will be written to this |
| 141 | * variable. |
| 142 | * @return string Returns the last line of the command output on success. |
| 143 | * @throws ExecException |
| 144 | * |
| 145 | */ |
| 146 | function system(string $command, int &$return_var = null): string |
| 147 | { |
| 148 | error_clear_last(); |
| 149 | $result = \system($command, $return_var); |
| 150 | if ($result === \false) { |
| 151 | throw ExecException::createFromPhpError(); |
| 152 | } |
| 153 | return $result; |
| 154 | } |
| 155 |