3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function a() { $b= 'this'; var_dump($$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)
8.3.60.0030.01418.20
8.3.50.0130.00821.27
8.3.40.0110.00418.53
8.3.30.0140.00018.79
8.3.20.0070.00020.07
8.3.10.0050.00322.07
8.3.00.0000.00822.45
8.2.180.0040.01116.63
8.2.170.0140.00622.96
8.2.160.0040.01119.09
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0080.00019.38
8.2.110.0130.00320.56
8.2.100.0080.00417.78
8.2.90.0030.00619.10
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0090.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00417.97
8.2.30.0050.00317.88
8.2.20.0000.00717.49
8.2.10.0080.00017.45
8.2.00.0030.00617.59
8.1.280.0070.01425.92
8.1.270.0050.00322.05
8.1.260.0090.00926.35
8.1.250.0000.00728.09
8.1.240.0070.00320.82
8.1.230.0090.00317.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00517.28
8.1.180.0000.00818.62
8.1.170.0030.00518.52
8.1.160.0000.00722.17
8.1.150.0000.00718.50
8.1.140.0040.00417.34
8.1.130.0000.00617.66
8.1.120.0000.00717.24
8.1.110.0000.01017.28
8.1.100.0000.00717.21
8.1.90.0040.00417.22
8.1.80.0040.00417.27
8.1.70.0000.00717.33
8.1.60.0060.00317.45
8.1.50.0000.00717.38
8.1.40.0030.00517.25
8.1.30.0070.00017.46
8.1.20.0080.00017.54
8.1.10.0080.00017.43
8.1.00.0040.00417.29
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00818.30
8.0.270.0030.00317.07
8.0.260.0030.00316.68
8.0.250.0040.00416.73
8.0.240.0000.00916.86
8.0.230.0000.00716.80
8.0.220.0070.00016.80
8.0.210.0030.00316.73
8.0.200.0060.00016.70
8.0.190.0050.00316.85
8.0.180.0040.00416.81
8.0.170.0000.00716.75
8.0.160.0070.00016.73
8.0.150.0070.00016.76
8.0.140.0070.00016.75
8.0.130.0050.00013.20
8.0.120.0040.00416.73
8.0.110.0000.00816.77
8.0.100.0040.00416.64
8.0.90.0000.00716.54
8.0.80.0090.00916.81
8.0.70.0000.00816.69
8.0.60.0070.00016.63
8.0.50.0040.00416.64
8.0.30.0100.01017.07
8.0.20.0080.01017.40
8.0.10.0050.00316.75
8.0.00.0070.01116.55
7.4.330.0040.00415.00
7.4.320.0000.00716.31
7.4.300.0060.00016.42
7.4.290.0000.00716.32
7.4.280.0030.00316.26
7.4.270.0000.00716.47
7.4.260.0030.00316.38
7.4.250.0040.00416.42
7.4.240.0050.00216.31
7.4.230.0000.00716.45
7.4.220.0070.01016.32
7.4.210.0100.01016.42
7.4.200.0000.00716.36
7.4.190.0030.00316.34
7.4.160.0030.01216.20
7.4.150.0070.01017.40
7.4.140.0120.00717.86
7.4.130.0130.00316.44
7.4.120.0130.00816.43
7.4.110.0070.01016.45
7.4.100.0120.00616.17
7.4.90.0150.00916.38
7.4.80.0130.01019.39
7.4.70.0110.00716.23
7.4.60.0090.00616.13
7.4.50.0030.00616.37
7.4.40.0110.00522.77
7.4.30.0130.00616.45
7.4.00.0000.01814.70
7.3.330.0000.00513.25
7.3.320.0000.00513.21
7.3.310.0040.00416.19
7.3.300.0070.00016.27
7.3.290.0130.00716.25
7.3.280.0100.00416.21
7.3.270.0120.00617.40
7.3.260.0080.00916.18
7.3.250.0060.01116.39
7.3.240.0030.01316.45
7.3.230.0030.01416.39
7.3.210.0090.00816.14
7.3.200.0090.01119.39
7.3.190.0100.01116.29
7.3.180.0130.00316.45
7.3.170.0160.00016.27
7.3.160.0060.01516.42
7.3.120.0090.00614.90
7.3.10.0100.00316.53
7.3.00.0030.01016.33
7.2.330.0120.01216.29
7.2.320.0140.00716.61
7.2.310.0150.00616.34
7.2.300.0070.01116.43
7.2.290.0060.01116.54
7.2.130.0030.00716.25
7.2.120.0060.00616.73
7.2.110.0040.00416.38
7.2.100.0030.00716.30
7.2.90.0040.01116.63
7.2.80.0040.00516.38
7.2.70.0030.00616.61
7.2.60.0030.00816.57
7.2.50.0000.01516.67
7.2.40.0000.01016.58
7.2.30.0060.00616.35
7.2.20.0050.01116.41
7.2.10.0030.01316.54
7.2.00.0000.01318.03
7.1.250.0040.00815.62
7.1.200.0090.00315.40
7.1.100.0050.00517.81
7.1.70.0030.00716.88
7.1.60.0030.02019.82
7.1.50.0130.01016.82
7.1.00.0030.05722.28
7.0.200.0000.00716.48
7.0.140.0030.07322.12
7.0.60.0030.09019.93
7.0.50.0100.07717.83
7.0.40.0100.08320.37
7.0.30.0500.08020.27
7.0.20.0370.07320.16
7.0.10.0300.07320.22
7.0.00.0030.06320.25
5.6.280.0070.07021.09
5.6.210.0170.09720.71
5.6.200.0030.05018.22
5.6.190.0100.08320.64
5.6.180.0430.05020.61
5.6.170.0330.06720.48
5.6.160.0070.07720.44
5.6.150.0100.06318.21
5.6.140.0030.08318.25
5.6.130.0100.08318.26
5.6.120.0070.06021.14
5.6.110.0030.05321.00
5.6.100.0070.07721.01
5.6.90.0200.07721.00
5.6.80.0100.07320.43
5.6.70.4400.04720.40
5.5.350.0130.07720.34
5.5.340.0170.07018.07
5.5.330.0070.04020.29
5.5.320.0370.06020.51
5.5.310.0200.08720.19
5.5.300.0030.08317.97
5.5.290.0100.07318.00
5.5.280.0000.04720.77
5.5.270.0030.07020.82
5.5.260.0170.07720.80
5.5.250.0130.07320.70
5.5.240.0170.04320.14
5.4.450.0030.07019.61
5.4.440.0730.07319.44
5.4.430.0830.06019.45
5.4.420.0870.07319.69
5.4.410.0170.04319.45
5.4.400.0800.05018.86
5.4.390.0730.05719.28
5.4.380.0270.05318.81
5.4.370.0400.05318.74
5.4.360.0400.04718.49
5.4.350.0090.03912.02
5.4.340.0040.04812.02
5.4.320.0060.03612.50
5.4.310.0090.04512.50
5.4.300.0060.04012.50
5.4.290.0070.04412.50
5.4.280.0070.03512.40
5.4.270.0070.05212.39
5.4.260.0100.05018.97
5.4.250.0070.05718.80
5.4.240.0130.05018.80
5.4.230.0170.07018.75
5.4.220.0030.05318.76
5.4.210.0030.06718.97
5.4.200.0070.05719.09
5.4.190.0200.07018.65
5.4.180.0070.05318.76
5.4.170.0000.08018.96
5.4.160.0200.06318.82
5.4.150.0030.06018.80
5.4.140.0200.04316.48
5.4.130.0230.05316.44
5.4.120.0130.07016.59
5.4.110.0070.06016.49
5.4.100.0100.06316.41
5.4.90.0070.07316.42
5.4.80.0200.03316.48
5.4.70.0130.05716.55
5.4.60.0100.04716.38
5.4.50.0070.07016.47
5.4.40.0070.07016.43
5.4.30.0130.05716.38
5.4.20.0030.05316.52
5.4.10.0100.05016.46
5.4.00.0130.04315.88
5.3.290.0080.04312.80
5.3.280.0170.05014.68
5.3.270.0100.06314.68
5.3.260.0070.07314.58
5.3.250.0100.04714.50
5.3.240.0100.06314.68
5.3.230.0030.07314.49
5.3.220.0170.05714.79
5.3.210.0030.06314.65
5.3.200.0100.07714.70
5.3.190.0000.06014.64
5.3.180.0070.05014.78
5.3.170.0030.07714.63
5.3.160.0100.04714.69
5.3.150.0030.06014.63
5.3.140.0100.05014.68
5.3.130.0130.05314.76
5.3.120.0070.05714.67
5.3.110.0030.05714.68
5.3.100.0030.06714.25
5.3.90.0030.05314.17
5.3.80.0130.06314.00
5.3.70.0100.05014.07
5.3.60.0100.06714.07
5.3.50.0200.03714.17
5.3.40.0170.05713.93
5.3.30.0130.06713.90
5.3.20.0070.05713.71
5.3.10.0100.06713.73
5.3.00.0170.04713.85
5.2.170.0100.04011.14
5.2.160.0030.04011.09
5.2.150.0130.05311.36
5.2.140.0030.05311.21
5.2.130.0030.04311.16
5.2.120.0100.05011.31
5.2.110.0000.04311.00
5.2.100.0170.04011.15
5.2.90.0130.04011.27
5.2.80.0100.04011.30
5.2.70.0070.04011.16
5.2.60.0070.04311.22
5.2.50.0100.04011.10
5.2.40.0070.04010.95
5.2.30.0070.04011.18
5.2.20.0030.04311.04
5.2.10.0030.04310.84
5.2.00.0030.04310.80
5.1.60.0030.03310.19
5.1.50.0070.03310.00
5.1.40.0000.0379.81
5.1.30.0070.03710.54
5.1.20.0070.05310.18
5.1.10.0070.03310.13
5.1.00.0030.04010.26
5.0.50.0170.0308.63
5.0.40.0030.0278.62
5.0.30.0100.0338.32
5.0.20.0170.0208.38
5.0.10.0030.0378.32
5.0.00.0030.0408.32
4.4.90.0070.0278.32
4.4.80.0100.0208.32
4.4.70.0030.0278.32
4.4.60.0030.0208.32
4.4.50.0070.0238.32
4.4.40.0000.0408.32
4.4.30.0000.0278.32
4.4.20.0030.0208.32
4.4.10.0030.0238.32
4.4.00.0030.0338.32
4.3.110.0000.0338.32
4.3.100.0030.0208.32
4.3.90.0030.0208.32
4.3.80.0130.0308.32
4.3.70.0070.0238.32
4.3.60.0070.0238.32
4.3.50.0070.0208.32
4.3.40.0000.0378.32
4.3.30.0000.0238.32
4.3.20.0070.0208.32
4.3.10.0030.0308.32
4.3.00.0000.0237.39

preferences:
46.55 ms | 401 KiB | 5 Q