3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1, 2, 3, 4]; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a); $a = [1, 2, 3, 4]; $b = $a; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a);

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)
8.3.60.0110.00416.88
8.3.50.0120.00618.05
8.3.40.0110.00418.68
8.3.30.0110.00418.68
8.3.20.0050.00320.21
8.3.10.0040.00423.48
8.3.00.0100.00019.25
8.2.180.0130.00718.54
8.2.170.0140.00022.96
8.2.160.0030.01020.39
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00717.63
8.2.120.0040.00426.35
8.2.110.0030.00722.07
8.2.100.0080.00317.97
8.2.90.0030.00518.16
8.2.80.0040.00418.05
8.2.70.0030.00917.93
8.2.60.0070.00018.16
8.2.50.0060.00618.10
8.2.40.0000.00719.33
8.2.30.0020.00519.17
8.2.20.0070.00017.68
8.2.10.0040.00418.11
8.2.00.0080.00018.11
8.1.280.0140.00725.92
8.1.270.0000.00821.85
8.1.260.0040.00428.09
8.1.250.0100.00328.09
8.1.240.0090.00023.84
8.1.230.0040.00721.03
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0030.00517.23
8.1.180.0080.00018.10
8.1.170.0060.00318.59
8.1.160.0030.00519.05
8.1.150.0030.00618.80
8.1.140.0000.00819.57
8.1.130.0030.00317.69
8.1.120.0000.00717.45
8.1.110.0070.00017.45
8.1.100.0000.00717.36
8.1.90.0070.00017.43
8.1.80.0000.00817.48
8.1.70.0040.00417.33
8.1.60.0040.00417.59
8.1.50.0000.01017.55
8.1.40.0070.00317.51
8.1.30.0040.00417.71
8.1.20.0040.00417.61
8.1.10.0080.00017.32
8.1.00.0040.00417.30
8.0.300.0050.00221.65
8.0.290.0060.00316.75
8.0.280.0000.00718.36
8.0.270.0040.00417.14
8.0.260.0040.00417.23
8.0.250.0000.00716.99
8.0.240.0060.00317.01
8.0.230.0000.00716.93
8.0.220.0020.00516.97
8.0.210.0000.00816.93
8.0.200.0050.00216.93
8.0.190.0040.00416.90
8.0.180.0040.00416.97
8.0.170.0040.00417.00
8.0.160.0000.00716.98
8.0.150.0030.00316.78
8.0.140.0030.00716.89
8.0.130.0060.00013.32
8.0.120.0050.00316.96
8.0.110.0000.00716.90
8.0.100.0020.00516.72
8.0.90.0000.00816.72
8.0.80.0120.00316.89
8.0.70.0040.00416.82
8.0.60.0040.00416.84
8.0.50.0040.00417.00
8.0.30.0130.00617.09
8.0.20.0100.01217.40
8.0.10.0000.00817.13
8.0.00.0070.01116.80
7.4.330.0030.00315.08
7.4.320.0000.00616.43
7.4.300.0080.00016.49
7.4.290.0070.00016.48
7.4.280.0080.00016.54
7.4.270.0070.00016.63
7.4.260.0070.00016.59
7.4.250.0040.00416.36
7.4.240.0020.00516.54
7.4.230.0040.00416.61
7.4.220.0060.01216.41
7.4.210.0100.00716.53
7.4.200.0030.00416.57
7.4.160.0100.00716.55
7.4.150.0120.00617.40
7.4.140.0130.00817.86
7.4.130.0130.00316.41
7.4.120.0140.00516.48
7.4.110.0120.00616.54
7.4.100.0150.00416.42
7.4.90.0080.00816.43
7.4.80.0070.01419.39
7.4.70.0090.01216.44
7.4.60.0130.00316.40
7.4.50.0020.00216.56
7.4.40.0120.00616.36
7.4.30.0070.01016.30
7.4.00.0070.00714.68
7.3.330.0000.00513.30
7.3.320.0030.00313.24
7.3.310.0000.00816.45
7.3.300.0000.00816.34
7.3.290.0060.00016.29
7.3.280.0090.00816.32
7.3.270.0090.00917.40
7.3.260.0160.00716.25
7.3.250.0100.00916.42
7.3.240.0140.00516.45
7.3.230.0070.01016.39
7.3.210.0160.00616.40
7.3.200.0120.00616.42
7.3.190.0130.00316.45
7.3.180.0120.00416.46
7.3.170.0030.01316.50
7.3.160.0040.01116.42
7.3.10.0120.00416.47
7.3.00.0110.00216.40
7.2.330.0100.00716.64
7.2.320.0190.00016.41
7.2.310.0050.01616.45
7.2.300.0100.00716.49
7.2.290.0140.00916.57
7.2.130.0100.00516.82
7.2.120.0070.00716.91
7.2.110.0090.00416.93
7.2.100.0080.00716.78
7.2.90.0040.00916.93
7.2.80.0080.00716.82
7.2.70.0060.00816.82
7.2.60.0050.00916.79
7.2.50.0030.00716.68
7.2.40.0060.00816.82
7.2.30.0020.01116.94
7.2.20.0090.00516.87
7.2.10.0030.00816.92
7.2.00.0030.01017.66
7.1.250.0050.00916.00
7.1.240.0090.00615.73
7.1.230.0070.00716.04
7.1.220.0060.00915.88
7.1.210.0060.00616.05
7.1.200.0070.00515.70
7.1.190.0090.00315.75
7.1.180.0110.00315.61
7.1.170.0040.01115.84
7.1.160.0090.00315.89
7.1.150.0030.01015.65
7.1.140.0070.00715.84
7.1.130.0000.01415.77
7.1.120.0140.00015.37
7.1.110.0000.00915.35
7.1.100.0040.00716.93
7.1.90.0100.00716.00
7.1.80.0070.01015.86
7.1.70.0080.00316.32
7.1.60.0080.01217.71
7.1.50.0020.01216.25
7.1.40.0030.00915.55
7.1.30.0040.00715.84
7.1.20.0040.00915.68
7.1.10.0030.00915.83
7.1.00.0080.03919.09
7.0.330.0050.00315.45
7.0.320.0080.00615.12
7.0.310.0030.01015.30
7.0.300.0030.01015.39
7.0.290.0000.01615.36
7.0.280.0070.00715.29
7.0.270.0110.00415.44
7.0.260.0030.00915.31
7.0.250.0070.01015.21
7.0.240.0060.00315.39
7.0.230.0060.01015.38
7.0.220.0030.00615.44
7.0.210.0030.01015.44
7.0.200.0510.00515.11
7.0.190.0000.01215.53
7.0.180.0090.00615.39
7.0.170.0070.00515.45
7.0.160.0000.00915.45
7.0.150.0100.00615.43
7.0.140.0060.00915.44
7.0.130.0090.00615.32
7.0.120.0030.00615.30
7.0.110.0000.01015.48
7.0.100.0070.00715.43
7.0.90.0040.00415.34
7.0.80.0030.01015.55
7.0.70.0140.00015.34
7.0.60.0060.04017.67
7.0.50.0070.04016.63
7.0.40.0100.04116.87
7.0.30.0030.02516.77
7.0.20.0200.04416.74
7.0.10.0030.03216.77
7.0.00.0020.04816.78
5.6.380.0030.01014.57
5.6.370.0030.00914.37
5.6.360.0000.01314.76
5.6.350.0030.00714.57
5.6.340.0130.00314.50
5.6.330.0110.00414.40
5.6.320.0030.00714.05
5.6.310.0070.00714.49
5.6.300.0040.00714.09
5.6.290.0040.01114.25
5.6.280.0040.03817.74
5.6.270.0030.00914.25
5.6.260.0070.01014.21
5.6.250.0000.01814.23
5.6.240.0000.01514.63
5.6.230.0060.00614.32
5.6.220.0090.00614.45
5.6.210.0030.04417.51
5.6.200.0070.04116.24
5.6.190.0030.03217.32
5.6.180.0130.04517.49
5.6.170.0170.03317.54
5.6.160.0100.03517.44
5.6.150.0000.03916.34
5.6.140.0020.02916.13
5.6.130.0030.02816.35
5.6.120.0020.05217.80
5.6.110.0030.04617.64
5.6.100.0080.04317.62
5.6.90.0080.04417.72
5.6.80.0100.04217.43
5.6.70.0030.01014.13
5.6.60.0000.01514.20
5.6.50.0100.00514.07
5.6.40.0060.00914.31
5.6.30.0030.00914.13
5.6.20.0130.00614.21
5.6.10.0110.01114.25
5.6.00.0140.00714.18
5.5.380.0000.00611.18
5.5.370.0000.01011.18
5.5.360.0030.00811.18
5.5.350.2160.02315.80
5.5.340.0080.01814.56
5.5.330.0140.02815.75
5.5.320.0420.02515.76
5.5.310.0230.04015.68
5.5.300.0030.02214.63
5.5.290.0080.04614.61
5.5.280.0020.05216.03
5.5.270.0060.02115.98
5.5.260.0090.04016.04
5.5.250.0100.03615.87
5.5.240.0070.04015.76
5.5.230.0070.00711.18
5.5.220.0090.00011.18
5.5.210.0090.00311.18
5.5.200.0000.01111.18
5.5.190.0070.00411.18
5.5.180.0080.00311.18
5.5.170.0040.00811.18
5.5.160.0090.00911.34
5.5.150.0120.00311.18
5.5.140.0080.00311.21
5.5.130.0100.00011.33
5.5.120.0000.00611.18
5.5.110.0060.00611.34
5.5.100.0000.00711.18
5.5.90.0060.00311.20
5.5.80.0060.00011.18
5.5.70.0090.00011.29
5.5.60.0040.00811.18
5.5.50.0060.00311.18
5.5.40.0000.01011.19
5.5.30.0000.00811.29
5.5.20.0000.01011.18
5.5.10.0080.00011.29
5.5.00.0030.00611.18

preferences:
39.91 ms | 400 KiB | 5 Q