Changes the current process title in supported command-line environments.
What Is cli_set_process_title() in PHP?
Changes the current process title in supported command-line environments.
Its syntax is:
cli_set_process_title(string $title): boolParameters:
$title— Accepted as string; required argument.
Return type: bool. Process-title support varies by platform and execution environment; setting a title does not rename the script.
Availability: CLI support depends on the operating system.
Example 1: Basic Usage
<?php
var_dump(PHP_SAPI === "cli");
Result: Results and availability depend on the current PHP process, system permissions, cache, filesystem or installed locale. Process-title support varies by platform and execution environment; setting a title does not rename the script.
Example 2: A Different Input
<?php
echo function_exists("cli_set_process_title") ? "Supported" : "Unavailable";
Result: Results and availability depend on the current PHP process, system permissions, cache, filesystem or installed locale. Process-title support varies by platform and execution environment; setting a title does not rename the script.
Practical Example: Applying It in a Program
<?php
if (PHP_SAPI === "cli" && function_exists("cli_set_process_title")) { cli_set_process_title("php-report-worker"); echo "Title requested"; }
Result: Results and availability depend on the current PHP process, system permissions, cache, filesystem or installed locale. Process-title support varies by platform and execution environment; setting a title does not rename the script.
Important Behavior and Edge Cases
- Key behavior: Process-title support varies by platform and execution environment; setting a title does not rename the script.
- Environment: CLI support depends on the operating system.
Comparison With Related Functions
| Function | Purpose |
|---|---|
cli_set_process_title() | Changes the current process title in supported command-line environments. |
cli_get_process_title() | cli_get_process_title() reads a process title; cli_set_process_title() attempts to set one. |
Common Beginner Mistakes
| Mistake | Correct Approach |
|---|---|
| Ignoring this behavior: Process-title support varies by platform and execution environment; setting a title does not rename the script | Process-title support varies by platform and execution environment; setting a title does not rename the script. |
Key Takeaways
- Changes the current process title in supported command-line environments.
- Process-title support varies by platform and execution environment; setting a title does not rename the script.
- CLI support depends on the operating system.
Summary: Process-title support varies by platform and execution environment; setting a title does not rename the script.