3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function __construct() { $a = $GLOBALS['a']; var_dump($a); } } class b {} $a = new a(new b);

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)
8.3.60.0140.00318.43
8.3.50.0100.01022.05
8.3.40.0190.00618.84
8.3.30.0140.00019.01
8.3.20.0000.00720.16
8.3.10.0050.00222.09
8.3.00.0040.00422.43
8.2.180.0070.01416.75
8.2.170.0080.00622.96
8.2.160.0160.00018.91
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.49
8.2.110.0100.00022.27
8.2.100.0040.00817.78
8.2.90.0040.00418.89
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0000.00718.22
8.2.30.0000.00718.09
8.2.20.0000.00717.70
8.2.10.0070.00017.56
8.2.00.0000.00817.71
8.1.280.0110.01125.92
8.1.270.0000.00822.19
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00322.04
8.1.230.0070.00320.82
8.1.220.0000.00717.74
8.1.210.0030.00518.77
8.1.200.0000.01017.35
8.1.190.0000.00817.29
8.1.180.0070.00318.10
8.1.170.0000.00818.43
8.1.160.0070.00022.05
8.1.150.0040.00418.59
8.1.140.0050.00317.43
8.1.130.0030.00317.74
8.1.120.0000.00717.46
8.1.110.0030.00617.43
8.1.100.0000.00717.34
8.1.90.0000.00717.44
8.1.80.0030.00317.37
8.1.70.0000.00717.41
8.1.60.0060.00317.46
8.1.50.0040.00417.49
8.1.40.0030.00517.38
8.1.30.0000.00817.64
8.1.20.0000.00917.60
8.1.10.0000.00717.44
8.1.00.0000.00817.30
8.0.300.0050.00218.77
8.0.290.0040.00417.05
8.0.280.0000.00818.39
8.0.270.0040.00417.29
8.0.260.0030.00316.88
8.0.250.0030.00316.92
8.0.240.0030.00317.09
8.0.230.0000.00717.05
8.0.220.0050.00316.86
8.0.210.0030.00316.98
8.0.200.0060.00017.00
8.0.190.0060.00316.91
8.0.180.0000.00817.02
8.0.170.0040.00416.98
8.0.160.0070.00017.05
8.0.150.0000.00716.79
8.0.140.0040.00416.91
8.0.130.0060.00013.34
8.0.120.0040.00416.96
8.0.110.0060.00316.83
8.0.100.0040.00416.96
8.0.90.0050.00216.87
8.0.80.0120.00617.00
8.0.70.0050.00316.81
8.0.60.0050.00316.90
8.0.50.0070.00016.80
8.0.30.0090.01017.09
8.0.20.0100.01017.40
8.0.10.0080.00016.85
8.0.00.0070.01316.74
7.4.330.0030.00315.02
7.4.320.0060.00016.39
7.4.300.0070.00016.51
7.4.290.0040.00416.53
7.4.280.0070.00016.50
7.4.270.0000.00716.45
7.4.260.0000.00716.62
7.4.250.0050.00216.56
7.4.240.0030.00316.49
7.4.230.0030.00316.49
7.4.220.0090.00916.50
7.4.210.0090.00616.50
7.4.200.0030.00316.48
7.4.190.0000.00816.70
7.4.160.0130.00516.32
7.4.150.0100.00717.40
7.4.140.0130.00917.86
7.4.130.0050.01216.48
7.4.120.0130.00316.38
7.4.110.0100.00716.39
7.4.100.0120.00916.58
7.4.90.0100.00716.54
7.4.80.0130.00319.39
7.4.70.0080.00816.55
7.4.60.0060.01216.50
7.4.50.0080.00016.52
7.4.40.0070.01122.77
7.4.30.0100.00716.41
7.4.10.0080.01114.79
7.4.00.0060.01014.81
7.3.330.0000.00513.15
7.3.320.0000.00613.35
7.3.310.0030.00516.32
7.3.300.0030.00316.24
7.3.290.0140.00716.38
7.3.280.0080.01016.42
7.3.270.0070.01017.40
7.3.260.0210.00316.38
7.3.250.0130.00816.37
7.3.240.0150.00816.47
7.3.230.0030.01316.50
7.3.210.0080.00816.39
7.3.200.0160.00619.39
7.3.190.0090.00916.55
7.3.180.0060.01016.58
7.3.170.0120.00816.50
7.3.160.0050.01016.58
7.3.130.0130.00514.74
7.3.120.0090.00614.72
7.3.110.0100.00614.66
7.3.100.0050.00814.86
7.3.90.0030.00914.69
7.3.80.0100.00414.69
7.3.70.0090.00114.75
7.3.60.0030.01314.88
7.3.50.0150.00214.77
7.3.40.0090.00514.58
7.3.30.0090.00314.67
7.3.20.0080.00816.73
7.3.10.0050.01016.56
7.3.00.0040.00716.55
7.2.330.0130.00316.71
7.2.320.0070.01316.33
7.2.310.0070.01016.59
7.2.300.0070.01316.75
7.2.290.0240.00416.65
7.2.260.0060.01114.99
7.2.250.0110.00714.90
7.2.240.0060.00914.86
7.2.230.0050.00714.91
7.2.220.0060.00914.63
7.2.210.0020.01214.69
7.2.200.0100.00114.86
7.2.190.0080.00815.03
7.2.180.0050.00815.11
7.2.170.0050.00714.81
7.2.160.0070.00715.12
7.2.150.0070.01016.75
7.2.140.0030.01016.66
7.2.130.0020.01416.63
7.2.120.0070.00716.90
7.2.110.0130.00116.78
7.2.100.0100.00416.68
7.2.90.0040.01116.58
7.2.80.0030.01116.93
7.2.70.0070.00716.80
7.2.60.0040.00916.57
7.2.50.0020.01216.59
7.2.40.0050.01316.77
7.2.30.0040.01016.88
7.2.20.0070.00816.74
7.2.10.0090.00516.74
7.2.00.0050.01017.74
7.1.330.0020.01115.82
7.1.320.0100.00715.86
7.1.310.0050.01115.65
7.1.300.0090.00315.75
7.1.290.0080.00615.87
7.1.280.0040.00615.76
7.1.270.0020.01015.58
7.1.260.0040.00915.75
7.1.250.0060.00815.76
7.1.240.0010.01015.77
7.1.230.0110.00315.73
7.1.220.0050.00915.77
7.1.210.0030.00915.65
7.1.200.0040.00515.62
7.1.190.0030.00915.68
7.1.180.0040.01015.77
7.1.170.0020.00815.71
7.1.160.0060.00915.69
7.1.150.0030.00815.82
7.1.140.0080.00315.64
7.1.130.0060.00515.69
7.1.120.0090.00615.78
7.1.110.0070.00715.80
7.1.100.0020.01016.62
7.1.90.0030.00915.73
7.1.80.0070.00715.67
7.1.70.0020.01016.18
7.1.60.0080.00917.18
7.1.50.0070.00616.26
7.1.40.0060.00715.54
7.1.30.0080.00715.82
7.1.20.0030.00715.69
7.1.10.0050.01015.92
7.1.00.0030.03118.01
7.0.330.0080.00415.36
7.0.320.0030.00515.12
7.0.310.0070.00415.27
7.0.300.0050.00615.19
7.0.290.0030.01015.31
7.0.280.0090.00415.30
7.0.270.0050.00815.38
7.0.260.0050.01015.34
7.0.250.0000.01315.51
7.0.240.0020.01115.44
7.0.230.0090.00515.14
7.0.220.0060.00715.37
7.0.210.0050.00915.36
7.0.200.0040.00615.84
7.0.190.0070.00215.25
7.0.180.0000.01315.42
7.0.170.0070.00715.16
7.0.160.0070.00615.16
7.0.150.0060.00615.08
7.0.140.0070.02617.48
7.0.130.0120.00515.35
7.0.120.0040.01315.45
7.0.110.0090.00615.33
7.0.100.0050.00515.34
7.0.90.0020.01215.29
7.0.80.0030.01215.12
7.0.70.0060.00515.38
7.0.60.0140.02816.89
7.0.50.0070.01916.18
7.0.40.0060.03115.77
7.0.30.0100.02915.58
7.0.20.0130.02715.68
7.0.10.0070.03015.62
7.0.00.0050.03115.71
5.6.400.0030.00814.37
5.6.390.0040.00914.32
5.6.380.0040.00614.28
5.6.370.0050.00714.46
5.6.360.0090.00714.19
5.6.350.0080.00514.24
5.6.340.0020.01014.47
5.6.330.0100.00314.33
5.6.320.0090.00214.60
5.6.310.0080.00414.24
5.6.300.0070.00614.46
5.6.290.0080.00514.45
5.6.280.0070.03016.72
5.6.270.0050.01114.32
5.6.260.0080.00614.48
5.6.250.0030.00714.25
5.6.240.0050.00814.64
5.6.230.0070.00614.51
5.6.220.0070.00414.46
5.6.210.0070.03116.43
5.6.200.0020.02215.53
5.6.190.0080.02716.28
5.6.180.0140.02516.38
5.6.170.0090.02116.33
5.6.160.0100.01816.33
5.6.150.0100.01515.58
5.6.140.0030.02315.57
5.6.130.0110.02915.50
5.6.120.0090.01916.48
5.6.110.0070.02616.54
5.6.100.0140.02816.51
5.6.90.0050.02816.44
5.6.80.0050.03616.31
5.6.70.0050.01214.26
5.6.60.0060.00714.36
5.6.50.0080.00814.27
5.6.40.0090.00614.37
5.6.30.0020.01014.25
5.6.20.0070.00713.94
5.6.10.0080.00314.17
5.6.00.0060.00814.19
5.5.380.0000.01514.14
5.5.370.0050.00914.09
5.5.360.0070.00414.19
5.5.350.1450.01916.13
5.5.340.0050.02315.30
5.5.330.0040.03516.43
5.5.320.0150.01616.13
5.5.310.0170.02916.23
5.5.300.0050.01815.58
5.5.290.0060.02715.55
5.5.280.0030.03216.32
5.5.270.0100.03216.35
5.5.260.0050.02216.37
5.5.250.0060.02716.42
5.5.240.0070.03016.13
5.5.230.0030.00814.39
5.5.220.0100.00614.29
5.5.210.0110.00414.21
5.5.200.0040.00714.24
5.5.190.0070.00714.25
5.5.180.0060.00614.11
5.5.170.0050.00314.14
5.5.160.0050.00714.27
5.5.150.0050.00714.30
5.5.140.0050.01014.37
5.5.130.0060.01014.17
5.5.120.0030.00914.15
5.5.110.0060.00814.32
5.5.100.0060.00814.30
5.5.90.0090.00314.19
5.5.80.0050.01014.34
5.5.70.0070.00714.17
5.5.60.0060.00614.18
5.5.50.0090.00614.38
5.5.40.0030.01113.82
5.5.30.0040.00813.89
5.5.20.0050.00714.14
5.5.10.0050.00914.10
5.5.00.0050.00914.00
5.4.450.1110.01813.93
5.4.440.0060.03013.82
5.4.430.0490.03313.73
5.4.420.1310.01913.86
5.4.410.1360.01613.93
5.4.400.1220.01913.63
5.4.390.1360.02113.70
5.4.380.1280.01513.69
5.4.370.1330.01413.55
5.4.360.1300.01313.63
5.4.350.1620.01413.69
5.4.340.1380.01713.69
5.4.330.0040.00710.96
5.4.320.1090.01713.70
5.4.310.1350.01913.74
5.4.300.1230.01613.79
5.4.290.1330.01713.68
5.4.280.1210.01313.68
5.4.270.1390.01713.85
5.4.260.1480.01413.72
5.4.250.1190.01713.68
5.4.240.1200.01913.72
5.4.230.1330.01613.73
5.4.220.1290.01813.79
5.4.210.1280.01213.66
5.4.200.1250.01613.60
5.4.190.1140.01613.68
5.4.180.0520.01813.53
5.4.170.0040.01513.61
5.4.160.1260.01713.60
5.4.150.1240.01313.51
5.4.140.1320.01812.82
5.4.130.1110.01412.90
5.4.120.1240.01412.80
5.4.110.1220.01712.75
5.4.100.1280.01812.87
5.4.90.1210.01512.80
5.4.80.1340.01612.74
5.4.70.0690.01712.74
5.4.60.0020.02112.73
5.4.50.1520.01712.88
5.4.40.1500.01412.81
5.4.30.1530.01712.90
5.4.20.1210.01412.92
5.4.10.1260.01812.72
5.4.00.1280.01212.72
5.3.290.1240.02012.00
5.3.280.1280.01211.70
5.3.270.0050.01611.84
5.3.260.1210.01711.84
5.3.250.1250.01711.92
5.3.240.1220.01411.82
5.3.230.1230.01511.86
5.3.220.1130.01611.90
5.3.210.1400.01611.92
5.3.200.1340.01511.92
5.3.190.1200.01811.79
5.3.180.1270.01911.92
5.3.170.1210.01811.84
5.3.160.0040.02212.02
5.3.150.0250.02612.04
5.3.140.1510.01812.03
5.3.130.1320.01611.83
5.3.120.1210.01511.86
5.3.110.1250.01511.78
5.3.100.1310.01911.78
5.3.90.1340.01411.69
5.3.80.1300.01311.63
5.3.70.1250.01911.59
5.3.60.1280.01911.70
5.3.50.1370.01711.52
5.3.40.1150.01911.63
5.3.30.1700.01511.51
5.3.20.1490.01711.57
5.3.10.1300.01411.32
5.3.00.1210.01611.46
5.2.170.3430.03011.16
5.2.160.3630.02011.19
5.2.150.3330.02711.04
5.2.140.3700.02711.09
5.2.130.3170.02711.11
5.2.120.3400.03311.16
5.2.110.3400.03011.16
5.2.100.3530.02711.16
5.2.90.3130.03011.18
5.2.80.3000.03311.24
5.2.70.2800.03011.09
5.2.60.3330.03311.12
5.2.50.3100.02710.91
5.2.40.2630.02711.00
5.2.30.2530.03010.86
5.2.20.2570.03310.92
5.2.10.2430.02710.91
5.2.00.1930.02310.72
5.1.60.1970.0239.99
5.1.50.2400.0209.90
5.1.40.2830.0239.94
5.1.30.2670.02310.34
5.1.20.2400.02310.32
5.1.10.2500.01310.04
5.1.00.1930.01310.09
5.0.50.0930.0238.56
5.0.40.1900.0208.39
5.0.30.1370.0278.18
5.0.20.1470.0208.17
5.0.10.1330.0238.16
5.0.00.1400.0338.07
4.4.90.1200.0176.23
4.4.80.1530.0176.23
4.4.70.1270.0136.23
4.4.60.1500.0176.23
4.4.50.1270.0176.23
4.4.40.1330.0276.23
4.4.30.0770.0236.23
4.4.20.1100.0176.23
4.4.10.0830.0136.23
4.4.00.1270.0176.23
4.3.110.1700.0136.23
4.3.100.1330.0106.23
4.3.90.1330.0206.23
4.3.80.1470.0276.23
4.3.70.1230.0136.23
4.3.60.1270.0136.23
4.3.50.1170.0176.23
4.3.40.1100.0306.23
4.3.30.0670.0136.23
4.3.20.0570.0176.23
4.3.10.0600.0176.23
4.3.00.0570.0176.23

preferences:
42.86 ms | 401 KiB | 5 Q