3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function foo() { $f = function() { $name = 'this'; var_dump($$name); }; $f(); } } $a = new A; $a->foo();

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)
8.3.70.0040.01118.43
8.3.60.0070.01018.43
8.3.50.0120.00721.21
8.3.40.0030.01218.85
8.3.30.0070.00718.91
8.3.20.0040.00420.34
8.3.10.0080.00022.16
8.3.00.0080.00022.58
8.2.180.0140.00016.50
8.2.170.0120.00322.96
8.2.160.0090.00619.26
8.2.150.0030.00624.18
8.2.140.0120.00624.66
8.2.130.0060.00326.16
8.2.120.0000.00819.24
8.2.110.0060.00622.20
8.2.100.0040.00817.78
8.2.90.0000.00819.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0080.00018.04
8.2.50.0050.00318.07
8.2.40.0030.00517.97
8.2.30.0040.00418.12
8.2.20.0040.00417.55
8.2.10.0080.00017.68
8.2.00.0080.00317.71
8.1.280.0200.00025.92
8.1.270.0060.00322.24
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0100.00020.99
8.1.230.0040.00817.45
8.1.220.0080.00017.78
8.1.210.0080.00018.77
8.1.200.0030.00617.38
8.1.190.0000.00817.64
8.1.180.0060.00318.80
8.1.170.0030.00518.52
8.1.160.0040.00422.12
8.1.150.0040.00418.63
8.1.140.0040.00417.43
8.1.130.0000.00717.70
8.1.120.0000.00717.52
8.1.110.0030.00717.44
8.1.100.0000.00717.42
8.1.90.0070.00017.35
8.1.80.0050.00217.37
8.1.70.0000.00717.32
8.1.60.0000.00917.48
8.1.50.0040.00417.43
8.1.40.0040.00417.42
8.1.30.0070.00017.55
8.1.20.0040.00417.56
8.1.10.0000.00817.61
8.1.00.0000.00717.41
8.0.300.0050.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.35
8.0.270.0000.00717.21
8.0.260.0030.00316.84
8.0.250.0030.00316.93
8.0.240.0000.00716.80
8.0.230.0030.00316.93
8.0.220.0000.00716.95
8.0.210.0030.00316.88
8.0.200.0000.00616.95
8.0.190.0070.00016.96
8.0.180.0040.00416.80
8.0.170.0040.00416.80
8.0.160.0040.00416.83
8.0.150.0080.00016.87
8.0.140.0000.00816.84
8.0.130.0050.00013.27
8.0.120.0000.00716.87
8.0.110.0040.00416.84
8.0.100.0070.00016.77
8.0.90.0040.00416.94
8.0.80.0110.00716.84
8.0.70.0040.00416.86
8.0.60.0000.00716.83
8.0.50.0000.00716.75
8.0.30.0140.00517.20
8.0.20.0110.00817.40
8.0.10.0050.00316.83
8.0.00.0160.00316.78
7.4.330.0000.00615.00
7.4.320.0000.00616.50
7.4.300.0030.00316.57
7.4.290.0000.00716.51
7.4.280.0040.00416.43
7.4.270.0000.00716.48
7.4.260.0030.00516.45
7.4.250.0050.00316.57
7.4.240.0030.00416.43
7.4.230.0030.00316.41
7.4.220.0110.00716.51
7.4.210.0080.00716.47
7.4.200.0050.00216.59
7.4.190.0000.00816.54
7.4.160.0080.00816.26
7.4.150.0080.00817.40
7.4.140.0120.00717.86
7.4.130.0030.01416.50
7.4.120.0080.00816.45
7.4.110.0140.00316.63
7.4.100.0170.00016.49
7.4.90.0110.00616.41
7.4.80.0140.00519.39
7.4.70.0200.00616.30
7.4.60.0000.01516.58
7.4.50.0000.00816.63
7.4.40.0070.01122.77
7.4.30.0140.00316.70
7.4.00.0100.00514.63
7.3.330.0020.00213.36
7.3.320.0050.00013.22
7.3.310.0000.00716.22
7.3.300.0030.00316.23
7.3.290.0060.00616.33
7.3.280.0060.00916.37
7.3.270.0150.00917.40
7.3.260.0190.02716.54
7.3.250.0080.00916.32
7.3.240.0130.00316.32
7.3.230.0080.00916.46
7.3.210.0140.00716.59
7.3.200.0030.01319.39
7.3.190.0100.00716.33
7.3.180.0140.00316.47
7.3.170.0120.00316.43
7.3.160.0040.01216.35
7.3.120.0100.00714.72
7.3.110.0060.00915.04
7.3.100.0080.00814.94
7.3.90.0040.00814.79
7.3.80.0000.01215.10
7.3.70.0040.00814.73
7.3.60.0080.00314.94
7.3.50.0100.00614.59
7.3.40.0070.00714.60
7.3.30.0060.00314.78
7.3.20.0100.00016.50
7.3.10.0030.01116.71
7.3.00.0140.00016.75
7.2.330.0030.01316.55
7.2.320.0070.01116.30
7.2.310.0100.00716.46
7.2.300.0110.00616.73
7.2.290.0090.00916.32
7.2.250.0110.00715.05
7.2.240.0090.00915.11
7.2.230.0000.01415.18
7.2.220.0040.00814.87
7.2.210.0040.01114.84
7.2.200.0060.00315.00
7.2.190.0040.01114.93
7.2.180.0070.01115.03
7.2.170.0090.00615.13
7.2.60.0040.01116.52
7.2.00.0040.00819.61
7.1.330.0000.01315.68
7.1.320.0050.00515.80
7.1.310.0080.00415.55
7.1.300.0040.00715.91
7.1.290.0070.00715.45
7.1.280.0030.00615.78
7.1.270.0040.00415.71
7.1.260.0060.00615.56
7.1.200.0110.00415.55
7.1.100.0000.01318.16
7.1.70.0060.00616.77
7.1.60.0070.01719.82
7.1.50.0040.00716.96
7.1.00.0030.04722.51
7.0.200.0030.00716.43
7.0.140.0070.07322.04
7.0.60.0030.04019.81
7.0.50.0070.04317.86
7.0.40.0100.04720.27
7.0.30.0300.08020.17
7.0.20.0300.07720.19
7.0.10.0130.05020.23
7.0.00.0070.07020.09
5.6.280.0100.06720.87
5.6.210.0070.05320.54
5.6.200.0070.03718.22
5.6.190.0100.08320.51
5.6.180.3530.04020.61
5.6.170.0300.07320.62
5.6.160.0130.03720.52
5.6.150.0070.05018.27
5.6.140.0030.04018.19
5.6.130.0030.04018.26
5.6.120.0070.03721.00
5.6.110.0130.07720.98
5.6.100.0100.08021.11
5.6.90.0100.08320.97
5.6.80.0170.04720.41
5.6.70.0170.04720.38
5.5.350.0070.07320.45
5.5.340.0030.07017.98
5.5.330.0170.03020.43
5.5.320.0270.07720.51
5.5.310.0270.07720.32
5.5.300.0000.04317.95
5.5.290.0070.07717.97
5.5.280.0070.09020.87
5.5.270.0030.06320.88
5.5.260.0070.09020.80
5.5.250.0030.04020.80
5.5.240.0030.08720.35
5.4.450.0770.05019.31
5.4.440.0730.06719.58
5.4.430.0800.05019.54
5.4.420.0470.04719.48
5.4.410.0970.05319.49
5.4.400.1230.05318.76
5.4.390.1230.06318.56
5.4.380.0270.05018.73
5.4.370.0170.05318.78
5.4.360.0170.05018.78
5.4.350.0130.05718.46
5.4.340.0270.04018.84
5.4.320.0050.03812.51
5.4.310.0050.04412.51
5.4.300.0060.03812.51
5.4.290.0050.04212.50
5.4.280.0060.03612.40
5.4.270.0110.03912.40
5.4.260.0200.04318.99
5.4.250.0200.04018.98
5.4.240.0200.07018.96
5.4.230.0130.04719.07
5.4.220.0130.07318.74
5.4.210.0130.07718.82
5.4.200.0130.06719.09
5.4.190.0230.04718.76
5.4.180.0070.05318.90
5.4.170.0130.05018.79
5.4.160.0100.04718.98
5.4.150.0130.06318.79
5.4.140.0100.07016.64
5.4.130.0200.05716.60
5.4.120.0100.06016.44
5.4.110.0030.05716.50
5.4.100.0130.05016.42
5.4.90.0100.06316.44
5.4.80.0070.05016.40
5.4.70.0100.05716.53
5.4.60.0130.04716.36
5.4.50.0130.06016.47
5.4.40.0070.05016.64
5.4.30.0070.04716.52
5.4.20.0030.05316.47
5.4.10.0170.06316.46
5.4.00.0100.05316.04
5.3.290.0070.04512.80
5.3.280.0000.08014.70
5.3.270.0070.05714.69
5.3.260.0000.05714.78
5.3.250.0130.04314.61
5.3.240.0030.05314.69
5.3.230.0070.06014.50
5.3.220.0030.06314.64
5.3.210.0200.06714.65
5.3.200.0100.04714.57
5.3.190.0100.07014.39
5.3.180.0100.04714.54
5.3.170.0070.06714.56
5.3.160.0100.04714.65
5.3.150.0070.05014.73
5.3.140.0070.06014.63
5.3.130.0100.05714.63
5.3.120.0070.05314.71
5.3.110.0030.05314.63
5.3.100.0100.06314.05
5.3.90.0070.07013.84
5.3.80.0030.07714.18
5.3.70.0070.05314.24
5.3.60.0270.05014.16
5.3.50.0070.06014.04
5.3.40.0100.06714.17
5.3.30.0130.07013.93
5.3.20.0100.06713.69
5.3.10.0100.06713.63
5.3.00.0070.07313.75
5.2.170.0070.04711.10
5.2.160.0030.04711.13
5.2.150.0100.04011.23
5.2.140.0100.04311.04
5.2.130.0100.04011.11
5.2.120.0070.03711.18
5.2.110.0070.05011.16
5.2.100.0130.05011.27
5.2.90.0100.04011.32
5.2.80.0130.03010.99
5.2.70.0100.05711.18
5.2.60.0130.04310.88
5.2.50.0070.04011.24
5.2.40.0030.04010.98
5.2.30.0170.03310.87
5.2.20.0100.03710.91
5.2.10.0100.03710.86
5.2.00.0100.04710.90
5.1.60.0030.05010.07
5.1.50.0070.03710.24
5.1.40.0000.04010.04
5.1.30.0130.04310.32
5.1.20.0030.05710.32
5.1.10.0070.04710.14
5.1.00.0030.03710.06
5.0.50.0030.0278.54
5.0.40.0000.0408.41
5.0.30.0000.0608.37
5.0.20.0030.0278.14
5.0.10.0130.0178.26
5.0.00.0070.0538.16
4.4.90.0070.0307.49
4.4.80.0000.0237.49
4.4.70.0000.0307.49
4.4.60.0030.0237.49
4.4.50.0070.0177.49
4.4.40.0030.0337.49
4.4.30.0000.0237.49
4.4.20.0070.0207.49
4.4.10.0030.0307.49
4.4.00.0070.0307.49
4.3.110.0000.0237.49
4.3.100.0070.0277.49
4.3.90.0000.0237.49
4.3.80.0100.0337.49
4.3.70.0030.0277.49
4.3.60.0030.0207.49
4.3.50.0070.0277.49
4.3.40.0000.0477.49
4.3.30.0000.0237.49
4.3.20.0070.0277.49
4.3.10.0030.0207.49
4.3.00.0170.02010.14

preferences:
51.92 ms | 401 KiB | 5 Q