symfony/process

Features

• Subprocess Executions - Executes external commands in separate operating-system processes with full lifecycle control.
• Shell Argument Escapers - Escapes shell arguments and command strings to prevent injection and handle OS-specific quoting rules.
• Portable Command Executors - Handles OS-specific argument escaping and process management for portable command execution.
• Executable Locators - Locates the absolute path of a command or binary by searching standard and custom directories.
• Isolated Process Runners - Runs PHP snippets in isolated subprocesses with independent configuration and environment.
• Synchronous Subprocess Runners - Runs an external command in a separate process and waits for it to finish.
• Subprocess Execution - Executes an external command in a separate process, handling OS differences and argument escaping.
• Process Execution Wrappers - Wraps OS fork/exec system calls to run external commands in a separate process with full lifecycle control.
• Process Input Streaming - Provides writable streams that send data to the standard input of running processes.
• Execution Timeouts - Limits how long a subprocess may run before it is automatically terminated.
• Background Process Offloading - Starts a subprocess and lets it run in the background while the main program continues.
• Process Output Iteration - Reads command output incrementally as it is produced, using an iterator or a callback.
• I/O Stream Configuration - Connects subprocess stdin, stdout, and stderr as PHP streams for real-time reading and writing.
• Individual Process Signalers - Transmits a POSIX signal to an asynchronous subprocess with the option to ignore certain signals.
• Process Termination Signals - Sends POSIX signals to subprocesses for graceful shutdown and timeout-based termination.
• Timeout-Driven Terminators - Automatically terminates a subprocess after a configurable timeout duration.
• Subprocess Management Libraries - Provides high-level programmatic control over the execution, lifecycles, and timeouts of external system processes.
• Executable Locators - Searches system paths to identify the location of required binaries.
• Process Signal Dispatchers - Abstracts POSIX signal sending to subprocesses with platform-specific handling and ignore options.
• Process Polling - Polls subprocess status in a non-blocking loop to detect completion while the main program continues.
• Asynchronous Process Terminators - Terminates an asynchronous subprocess, optionally after a timeout and with a specific signal.
• Subprocess Environment Injectors - Passes custom environment variables to a subprocess, optionally overriding system defaults.
• Asynchronous Process Managers - Starts background subprocesses with timeout, signal, and streaming output support.
• Binary Path Discovery - Locates absolute paths of system commands and binaries across standard search directories.
• Executable Path Resolvers - Resolves command names to absolute file paths by searching system PATH and custom directories.
• PHP Code Isolators - Spawns a separate PHP process with its own configuration to execute code in an isolated environment.

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