22981566997

Committed 12 Mar 2026 12:49AM UTC coverage: 96.844% (-0.06%) from 96.904%

Build # 22981566997

Build Type

Pull #4834

github

Committed by

web-flow

Commit Message

Merge b0a7099d3 into a1dacfdf7

Pull Request Pull Request #4834: Add parallel Xlsx writing via pcntl_fork

Coverage Stats

182 of 218 new or added lines in 6 files covered. (83.49%)

14 existing lines in 1 file now uncovered.

47874 of 49434 relevant lines covered (96.84%)

382.61 hits per line

Source File
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75.93

/src/PhpSpreadsheet/Parallel/CpuDetector.php

<?php

namespace PhpOffice\PhpSpreadsheet\Parallel;

class CpuDetector
{
    private static ?int $cachedCount = null;

    public static function detectCpuCount(): int
    {
        if (self::$cachedCount !== null) {
            return self::$cachedCount;
        }

        self::$cachedCount = static::detect();

        return self::$cachedCount;
    }

    /**
     * Reset cached value (for testing).
     */
    public static function reset(): void
    {
        self::$cachedCount = null;
    }

    protected static function detect(): int
    {
        return static::fromPcntl()
            ?? static::fromEnv()
            ?? static::fromProcCpuinfo()
            ?? static::fromSysctl()
            ?? static::fromNproc()
            ?? 2;
    }

    protected static function fromPcntl(): ?int
    {
        if (!function_exists('pcntl_cpu_count')) {
            return null;
        }

        /** @phpstan-ignore argument.type */
        $result = call_user_func('pcntl_cpu_count');
        $count = is_int($result) ? $result : 0;

        return $count > 0 ? $count : null;
    }

    protected static function fromEnv(): ?int
    {
        $env = getenv('NUMBER_OF_PROCESSORS');
        if ($env === false) {
            return null;
        }

        $count = (int) $env;

        return $count > 0 ? $count : null;
    }

    protected static function fromProcCpuinfo(): ?int
    {
        if (!is_readable('/proc/cpuinfo')) {
            return null;
        }

        $cpuinfo = @file_get_contents('/proc/cpuinfo');
        if ($cpuinfo === false) {
            return null;
        }

        $count = substr_count($cpuinfo, 'processor');

        return $count > 0 ? $count : null;
    }

    protected static function fromSysctl(): ?int
    {
        if (PHP_OS_FAMILY !== 'Darwin') {
            return null;
        }

        $result = static::shellExec('sysctl -n hw.logicalcpu 2>/dev/null');
        if ($result === null) {
            return null;
        }

        $count = (int) trim($result);

        return $count > 0 ? $count : null;
    }

    protected static function fromNproc(): ?int
    {
        if (PHP_OS_FAMILY === 'Windows') {
            return null;
        }

        $result = static::shellExec('nproc 2>/dev/null');
        if ($result === null) {
            return null;
        }

        $count = (int) trim($result);

        return $count > 0 ? $count : null;
    }

    protected static function shellExec(string $command): ?string
    {
        if (!function_exists('shell_exec')) {
            return null;
        }

        return @shell_exec($command); // @phpstan-ignore return.type
    }
}

1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet\Parallel;
4
5	class CpuDetector
6	{
7	private static ?int $cachedCount = null;
8
9	public static function detectCpuCount(): int	9✔
10	{
11	if (self::$cachedCount !== null) {	9✔
12	return self::$cachedCount;	5✔
13	}
14
15	self::$cachedCount = static::detect();	5✔
16
17	return self::$cachedCount;	5✔
18	}
19
20	/**
21	* Reset cached value (for testing).
22	*/
23	public static function reset(): void	11✔
24	{
25	self::$cachedCount = null;	11✔
26	}
27
28	protected static function detect(): int	5✔
29	{
30	return static::fromPcntl()	5✔
31	?? static::fromEnv()	5✔
32	?? static::fromProcCpuinfo()	5✔
33	?? static::fromSysctl()	5✔
34	?? static::fromNproc()	5✔
35	?? 2;	5✔
36	}
37
38	protected static function fromPcntl(): ?int	5✔
39	{
40	if (!function_exists('pcntl_cpu_count')) {	5✔
41	return null;	5✔
42	}
43
44	/** @phpstan-ignore argument.type */
NEW 45	$result = call_user_func('pcntl_cpu_count');	×
NEW 46	$count = is_int($result) ? $result : 0;	×
47
NEW 48	return $count > 0 ? $count : null;	×
49	}
50
51	protected static function fromEnv(): ?int	7✔
52	{
53	$env = getenv('NUMBER_OF_PROCESSORS');	7✔
54	if ($env === false) {	7✔
55	return null;	5✔
56	}
57
58	$count = (int) $env;	2✔
59
60	return $count > 0 ? $count : null;	2✔
61	}
62
63	protected static function fromProcCpuinfo(): ?int	5✔
64	{
65	if (!is_readable('/proc/cpuinfo')) {	5✔
NEW 66	return null;	×
67	}
68
69	$cpuinfo = @file_get_contents('/proc/cpuinfo');	5✔
70	if ($cpuinfo === false) {	5✔
NEW 71	return null;	×
72	}
73
74	$count = substr_count($cpuinfo, 'processor');	5✔
75
76	return $count > 0 ? $count : null;	5✔
77	}
78
79	protected static function fromSysctl(): ?int	1✔
80	{
81	if (PHP_OS_FAMILY !== 'Darwin') {	1✔
82	return null;	1✔
83	}
84
NEW 85	$result = static::shellExec('sysctl -n hw.logicalcpu 2>/dev/null');	×
NEW 86	if ($result === null) {	×
NEW 87	return null;	×
88	}
89
NEW 90	$count = (int) trim($result);	×
91
NEW 92	return $count > 0 ? $count : null;	×
93	}
94
95	protected static function fromNproc(): ?int	1✔
96	{
97	if (PHP_OS_FAMILY === 'Windows') {	1✔
NEW 98	return null;	×
99	}
100
101	$result = static::shellExec('nproc 2>/dev/null');	1✔
102	if ($result === null) {	1✔
NEW 103	return null;	×
104	}
105
106	$count = (int) trim($result);	1✔
107
108	return $count > 0 ? $count : null;	1✔
109	}
110
111	protected static function shellExec(string $command): ?string	1✔
112	{
113	if (!function_exists('shell_exec')) {	1✔
NEW 114	return null;	×
115	}
116
117	return @shell_exec($command); // @phpstan-ignore return.type	1✔
118	}
119	}

PHPOffice / PhpSpreadsheet / 22981566997

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