3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); class HelloWorld { /** @var array<string, string> */ private $items; public function doFoo(string $input) { $this->items[$input] = $input; foreach ($this->items as $key => $value) { $this->requireString($key); } } public function requireString(string $s) { } } $h = new HelloWorld(); $h->doFoo('1'); // bang

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)
8.3.60.0120.00618.56
8.3.50.0070.01117.92
8.3.40.0090.00918.93
8.3.30.0200.00018.81
8.3.20.0100.01019.09
8.3.10.0040.00423.64
8.3.00.0040.00422.39
8.2.180.0110.00318.42
8.2.170.0120.00622.96
8.2.160.0100.00721.15
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00621.00
8.2.110.0030.00721.18
8.2.100.0000.01119.75
8.2.90.0080.00019.39
8.2.80.0040.00417.97
8.2.70.0040.00417.88
8.2.60.0050.00318.05
8.2.50.0030.00518.07
8.2.40.0040.00418.29
8.2.30.0030.00618.14
8.2.20.0000.00718.22
8.2.10.0070.00018.14
8.2.00.0030.00319.49
8.1.280.0150.00025.92
8.1.270.0100.01020.57
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00320.88
8.1.230.0030.00722.18
8.1.220.0090.00017.78
8.1.210.0100.00018.77
8.1.200.0030.00617.25
8.1.190.0050.00317.25
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0000.00818.90
8.1.150.0040.00418.69
8.1.140.0070.00018.90
8.1.130.0000.00719.04
8.1.120.0080.00017.36
8.1.110.0080.00017.37
8.1.100.0040.00417.36
8.1.90.0100.00017.45
8.1.80.0040.00417.48
8.1.70.0080.00017.42
8.1.60.0040.00417.57
8.1.50.0000.00817.41
8.1.40.0080.00017.54
8.1.30.0070.00317.69
8.1.20.0050.00217.61
8.1.10.0120.00317.48
8.1.00.0040.00417.53
8.0.300.0000.00818.77
8.0.290.0060.00316.75
8.0.280.0030.00318.52
8.0.270.0040.00416.81
8.0.260.0030.00317.31
8.0.250.0040.00416.92
8.0.240.0030.00316.91
8.0.230.0070.00017.01
8.0.220.0000.00716.96
8.0.210.0030.00316.95
8.0.200.0060.00016.99
8.0.190.0000.00916.90
8.0.180.0040.00417.01
8.0.170.0080.00016.94
8.0.160.0020.00516.88
8.0.150.0000.00817.01
8.0.140.0000.00716.90
8.0.130.0000.00513.49
8.0.120.0000.01016.84
8.0.110.0000.00716.92
8.0.100.0030.00516.83
8.0.90.0030.00517.04
8.0.80.0030.01216.91
8.0.70.0000.00717.03
8.0.60.0000.00716.83
8.0.50.0040.00416.83
8.0.30.0060.01317.29
8.0.20.0150.00917.40
8.0.10.0040.00417.18
8.0.00.0120.00516.64
7.4.330.0020.00215.55
7.4.320.0030.00316.46
7.4.300.0060.00016.54
7.4.290.0000.00716.52
7.4.280.0000.00816.51
7.4.270.0000.00616.60
7.4.260.0000.00716.60
7.4.250.0050.00216.58
7.4.240.0050.00216.61
7.4.230.0030.00316.30
7.4.220.0060.00316.35
7.4.210.0090.00816.55
7.4.200.0030.00316.45
7.4.160.0090.00616.51
7.4.140.0100.00717.86
7.4.130.0160.00716.52
7.4.120.0090.01016.51
7.4.110.0100.01016.37
7.4.100.0100.00716.60
7.4.90.0170.00716.59
7.4.80.0060.01519.39
7.4.70.0050.01116.51
7.4.60.0060.01116.52
7.4.50.0240.00016.41
7.4.40.0160.00616.46
7.4.30.0110.01116.52
7.4.20.0070.01116.53
7.4.10.0120.00915.88
7.4.00.0090.01015.53
7.3.330.0000.00513.46
7.3.320.0060.00013.31
7.3.310.0020.00516.39
7.3.300.0070.00016.32
7.3.290.0030.00316.45
7.3.280.0090.00816.44
7.3.260.0070.01316.61
7.3.240.0080.01316.54
7.3.230.0120.00916.37
7.3.210.0110.00716.65
7.3.200.0090.01316.55
7.3.190.0090.00916.48
7.3.180.0030.01416.64
7.3.170.0110.00716.48
7.3.160.0150.00916.24
7.3.150.0140.00716.46
7.3.140.0060.01416.64
7.3.130.0090.00915.63
7.3.120.0090.00815.54
7.3.110.0030.01515.43
7.3.100.0060.01015.68
7.3.90.0050.00815.59
7.3.80.0060.00915.32
7.3.70.0070.00715.09
7.3.60.0080.00915.17
7.3.50.0060.00815.10
7.3.40.0090.01014.99
7.3.30.0080.00715.04
7.3.20.0090.01015.67
7.3.10.0090.00715.79
7.3.00.0660.00915.82
7.2.330.0140.00416.80
7.2.320.0040.01316.48
7.2.310.0110.00616.80
7.2.300.0060.00916.84
7.2.290.0140.01116.57
7.2.280.0040.01916.42
7.2.270.0120.01016.53
7.2.260.0110.00815.75
7.2.250.0060.01415.85
7.2.240.0080.01115.88
7.2.230.0030.01315.80
7.2.220.0110.00615.78
7.2.210.0050.01015.63
7.2.200.0050.01115.35
7.2.190.0040.01115.44
7.2.180.0080.00815.24
7.2.170.0080.00715.28
7.2.160.0070.00915.26
7.2.150.0100.00915.96
7.2.140.0110.01015.87
7.2.130.0070.00816.13
7.2.120.0210.00916.03
7.2.110.0100.00816.04
7.2.100.0100.01016.01
7.2.90.0200.00915.76
7.2.80.0430.01015.68
7.2.70.0720.00615.71
7.2.60.0320.00915.72
7.2.50.0600.00815.75
7.2.40.0330.00715.76
7.2.30.0310.00915.83
7.2.20.0320.00715.72
7.2.10.0310.00915.84
7.2.00.0300.00715.76
7.1.330.0120.00915.47
7.1.320.0080.01115.66
7.1.310.0110.00914.87
7.1.300.0090.00615.30
7.1.290.0120.00715.36
7.1.280.0070.00914.78
7.1.270.0110.00814.84
7.1.260.0120.00814.83
7.1.250.0070.00814.94
7.1.240.0140.00414.68
7.1.230.0140.00914.80
7.1.220.0120.01214.63
7.1.210.0150.00914.52
7.1.200.0370.00814.43
7.1.190.0610.00714.42
7.1.180.0640.00914.40
7.1.170.0670.00714.44
7.1.160.0440.00614.41
7.1.150.0250.00914.48
7.1.140.0380.00714.43
7.1.130.0370.00814.42
7.1.120.0270.00714.48
7.1.110.0260.00914.54
7.1.100.0350.00814.58
7.1.90.0460.00514.40
7.1.80.0280.00714.50
7.1.70.0490.00714.51
7.1.60.0770.00820.33
7.1.50.0530.01120.46
7.1.40.0460.01020.50
7.1.30.0270.00920.42
7.1.20.0330.00620.45
7.1.10.0220.00714.43
7.1.00.0240.01014.41
7.0.330.0120.01014.14
7.0.320.0240.00515.14
7.0.310.0050.01515.37
7.0.300.0080.01215.11
7.0.290.0130.00815.19
7.0.280.0100.01015.36
7.0.270.0190.00415.31
7.0.260.0060.01715.29
7.0.250.0140.00515.15
7.0.240.0170.00315.40
7.0.230.0120.00615.24
7.0.220.0080.00815.25
7.0.210.0170.00315.28
7.0.200.0170.00615.14
7.0.190.0090.00915.34
7.0.180.0120.00915.22
7.0.170.0090.01215.42
7.0.160.0090.01215.29
7.0.150.0150.00615.35
7.0.140.0170.00615.22
7.0.130.0080.01415.24
7.0.120.0180.00415.18
7.0.110.0210.00314.77
7.0.100.0160.00814.79
7.0.90.0190.00414.89
7.0.80.0160.01114.58
7.0.70.0100.01614.88
7.0.60.0170.01015.04
7.0.50.0230.00314.65
7.0.40.0170.00514.88
7.0.30.0120.00914.80
7.0.20.0150.00914.96
7.0.10.0110.01115.22
7.0.00.0090.01315.00
5.6.400.0120.01114.56
5.6.390.0120.00914.50
5.6.380.0140.00814.58
5.6.370.0090.01715.61
5.6.360.0110.01115.75
5.6.350.0030.01715.82
5.6.340.0100.01415.91
5.6.330.0130.00815.77
5.6.320.0130.01515.96
5.6.310.0160.00815.88
5.6.300.0090.01215.84
5.6.290.0070.01615.98
5.6.280.0110.01116.11
5.6.270.0180.00915.55
5.6.260.0110.01115.46
5.6.250.0160.01015.47
5.6.240.0210.00515.59
5.6.230.0210.00715.52
5.6.220.0160.01015.58
5.6.210.0180.01115.45
5.6.200.0200.00815.34
5.6.190.0090.01315.43
5.6.180.0130.01315.46
5.6.170.0250.00415.49
5.6.160.0170.01015.40
5.6.150.0120.01215.41
5.6.140.0240.00315.64
5.6.130.0140.01415.71
5.6.120.0160.01115.88
5.6.110.0090.01615.71
5.6.100.0180.00715.60
5.6.90.0140.01415.42
5.6.80.0140.00915.50
5.6.70.0170.00815.39
5.6.60.0150.01515.45
5.6.50.0170.00915.35
5.6.40.0180.00915.40
5.6.30.0220.00115.46
5.6.20.0190.00715.28
5.6.10.0200.00415.22
5.6.00.0180.00715.27

preferences:
62.63 ms | 400 KiB | 5 Q