3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SinglePlaceholder { } class VariadicPlaceholder { } $PLACEHOLDER = new SinglePlaceholder(); $VARIADIC_PLACEHOLDER = new VariadicPlaceholder(); function partial(callable $in, ...$args) { $fmap = []; $partialIndex = 0; $variadic = false; foreach ($args as $k => $arg) { if ($arg instanceof SinglePlaceholder) { $fmap[$partialIndex++] = $k; } if ($arg instanceof VariadicPlaceholder) { $variadic = true; if ($k !== count($args) - 1) { throw new ArgumentCountError('Only the last parameter may be a variadic placeholder'); } $fmap[$partialIndex++] = $k; } } return static function (...$partialArgs) use ($in, $args, $fmap, $variadic) { $expectedCount = count($fmap); if ($variadic) { $expectedCount--; } if (count($partialArgs) < $expectedCount) { throw new ArgumentCountError('Expected ' . count($fmap) . ' only received ' . count($partialArgs)); } foreach ($partialArgs as $pIndex => $pValue) { $targetSlot = $fmap[$pIndex] ?? null; if ($targetSlot === null) { if ($variadic) { $args[] = $pValue; } else { throw new ArgumentCountError('Too many arguments without a variadic placeholder'); } } else { $args[$targetSlot] = $pValue; } } return $in(...$args); }; } function foo($a, $b, $c, $d, $e) { var_dump($a, $b, $c, $d, $e); } print_r(partial('foo', 1, $PLACEHOLDER, 3, $PLACEHOLDER, 5)(2, 4)); print_r(partial('foo', $VARIADIC_PLACEHOLDER)('a', 'b', 'c', 'd', 'e')); print_r(partial('foo', 1, 2, 3, 4, 5)()); $chain = partial('foo', $VARIADIC_PLACEHOLDER); $chain = partial($chain, 1, $VARIADIC_PLACEHOLDER); $chain = partial($chain, 2, $VARIADIC_PLACEHOLDER); $chain = partial($chain, 3, $VARIADIC_PLACEHOLDER); $chain = partial($chain, 4, $VARIADIC_PLACEHOLDER); $chain = partial($chain, 5, $VARIADIC_PLACEHOLDER); print_r($chain());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0070.00718.27
8.3.60.0080.00816.63
8.3.50.0140.00318.08
8.3.40.0100.01019.01
8.3.30.0040.01118.84
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.190.0070.01416.75
8.2.180.0140.00725.92
8.2.170.0110.00418.96
8.2.160.0140.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0110.00020.52
8.2.100.0080.00418.03
8.2.90.0050.00318.28
8.2.80.0030.00618.73
8.2.70.0050.00317.50
8.2.60.0010.00918.03
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0040.00418.20
8.2.20.0040.00418.20
8.2.10.0000.00819.29
8.2.00.0040.00419.25
8.1.280.0120.00325.92
8.1.270.0000.00923.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.83
8.1.230.0110.00019.12
8.1.220.0040.00417.80
8.1.210.0040.00418.77
8.1.200.0000.00817.60
8.1.190.0000.00917.47
8.1.180.0060.00318.10
8.1.170.0000.00818.62
8.1.160.0000.00718.83
8.1.150.0040.00418.95
8.1.140.0000.00920.68
8.1.130.0000.00720.20
8.1.120.0000.00717.53
8.1.110.0030.00617.57
8.1.100.0040.00417.41
8.1.90.0040.00417.37
8.1.80.0040.00417.47
8.1.70.0050.00217.53
8.1.60.0040.00417.67
8.1.50.0080.00017.49
8.1.40.0060.00517.47
8.1.30.0060.00317.70
8.1.20.0000.00817.64
8.1.10.0000.00817.52
8.1.00.0050.00517.46
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0030.00318.62
8.0.270.0000.00718.05
8.0.260.0000.00818.55
8.0.250.0000.00617.06
8.0.240.0050.00217.05
8.0.230.0000.00716.99
8.0.220.0030.00316.88
8.0.210.0030.00317.08
8.0.200.0030.00317.09
8.0.190.0040.00417.02
8.0.180.0050.00317.06
8.0.170.0060.00317.07
8.0.160.0030.00616.93
8.0.150.0040.00417.00
8.0.140.0030.00416.98
8.0.130.0050.00213.47
8.0.120.0000.00717.00
8.0.110.0040.00416.98
8.0.100.0080.00017.00
8.0.90.0030.00517.04
8.0.80.0040.01116.97
8.0.70.0080.00816.96
8.0.60.0050.01016.95
8.0.50.0030.01216.93
8.0.30.0050.01116.97
8.0.20.0110.00416.96
8.0.10.0060.00817.09
8.0.00.0000.01517.11
7.4.330.0030.00315.55
7.4.320.0030.00316.59
7.4.300.0050.00216.57
7.4.290.0040.00416.50
7.4.280.0040.00416.54
7.4.270.0040.00416.57
7.4.260.0000.00513.29
7.4.250.0000.00816.48
7.4.240.0020.00516.57
7.4.230.0080.00016.64
7.4.220.0040.00416.69
7.4.210.0040.01116.68
7.4.200.0140.00016.68
7.4.190.0100.00516.81
7.4.180.0100.00316.56
7.4.160.0060.01216.64
7.4.150.0130.00416.54
7.4.140.0120.00316.54
7.4.130.0080.00816.63
7.4.120.0080.00816.36
7.4.110.0110.00416.58
7.4.100.0070.00716.66
7.4.90.0030.01316.40
7.4.80.0050.01216.55
7.4.70.0040.01216.45
7.4.60.0080.00816.52
7.4.50.0080.01016.48
7.4.40.0050.01016.41
7.4.30.0070.00716.48
7.4.20.0150.00016.68
7.4.10.0090.00516.48
7.4.00.0050.00816.48
7.3.330.0000.00816.38
7.3.320.0060.00013.27
7.3.310.0050.00216.44
7.3.300.0070.00016.21
7.3.290.0030.01016.46
7.3.280.0050.00916.29
7.3.270.0050.01016.39
7.3.260.0100.00516.40
7.3.250.0040.01216.46
7.3.240.0100.00516.45
7.3.230.0110.00316.33
7.3.220.0070.00716.25
7.3.210.0110.00316.39
7.3.200.0060.00916.27
7.3.190.0000.01516.33
7.3.180.0000.01416.32
7.3.170.0140.00316.25
7.3.160.0000.01616.34
7.3.150.0050.00916.34
7.3.140.0040.01316.32
7.3.130.0110.00716.40
7.3.120.0090.00616.36
7.3.110.0040.01216.27
7.3.100.0100.00516.21
7.3.90.0090.00616.60
7.3.80.0080.00816.35
7.3.70.0030.01216.46
7.3.60.0090.00916.43
7.3.50.0110.00516.52
7.3.40.0070.01016.56
7.3.30.0100.00616.49
7.3.20.0070.00716.50
7.3.10.0070.01016.50
7.3.00.0050.01116.43

preferences:
51.75 ms | 401 KiB | 5 Q