3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $a = " test a! "; static public $b = " test b! "; } $a = new a(); $b = "a"; $line = 0; echo $line++, $$b; echo $line++, $$b->a; echo $line++, $$b->b; // echo $line++, $$b::b; // ERROR

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)
8.3.60.0000.01518.43
8.3.50.0130.00322.07
8.3.40.0100.00718.92
8.3.30.0120.00320.34
8.3.20.0000.00920.35
8.3.10.0080.00021.96
8.3.00.0030.00522.35
8.2.180.0150.00016.63
8.2.170.0210.00022.96
8.2.160.0130.00022.13
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.82
8.2.110.0060.00322.11
8.2.100.0040.00817.84
8.2.90.0040.00417.91
8.2.80.0040.00417.97
8.2.70.0000.01017.50
8.2.60.0000.00818.03
8.2.50.0060.00618.07
8.2.40.0060.00319.76
8.2.30.0040.00418.02
8.2.20.0050.00317.72
8.2.10.0060.00317.75
8.2.00.0030.00617.82
8.1.280.0100.01025.92
8.1.270.0090.00023.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0070.00322.54
8.1.230.0000.01120.99
8.1.220.0000.00817.79
8.1.210.0000.00818.96
8.1.200.0030.00617.35
8.1.190.0040.00417.53
8.1.180.0060.00318.10
8.1.170.0040.00418.38
8.1.160.0040.00421.95
8.1.150.0060.00318.69
8.1.140.0040.00417.33
8.1.130.0070.00017.89
8.1.120.0080.00017.44
8.1.110.0040.00317.28
8.1.100.0000.00717.36
8.1.90.0000.00817.30
8.1.80.0000.00717.34
8.1.70.0000.00817.40
8.1.60.0050.00317.58
8.1.50.0000.00917.53
8.1.40.0030.00617.52
8.1.30.0000.00817.62
8.1.20.0000.00817.68
8.1.10.0040.00417.58
8.1.00.0050.00217.34
8.0.300.0000.00820.03
8.0.290.0030.00617.05
8.0.280.0000.00718.38
8.0.270.0000.00717.26
8.0.260.0000.00716.82
8.0.250.0040.00417.03
8.0.240.0050.00217.04
8.0.230.0030.00316.92
8.0.220.0040.00416.88
8.0.210.0000.00716.88
8.0.200.0070.00016.91
8.0.190.0000.00716.88
8.0.180.0030.00317.00
8.0.170.0050.00316.91
8.0.160.0070.00016.78
8.0.150.0030.00316.99
8.0.140.0000.00816.93
8.0.130.0030.00313.39
8.0.120.0030.00516.80
8.0.110.0030.00516.93
8.0.100.0040.00416.95
8.0.90.0050.00217.02
8.0.80.0120.00416.91
8.0.70.0000.00816.92
8.0.60.0000.00716.77
8.0.50.0040.00416.91
8.0.30.0090.00917.12
8.0.20.0100.01117.40
8.0.10.0040.00417.02
8.0.00.0120.00616.97
7.4.330.0040.00415.00
7.4.320.0030.00316.52
7.4.300.0030.00316.41
7.4.290.0070.00016.46
7.4.280.0000.00716.65
7.4.270.0030.00316.53
7.4.260.0060.00013.31
7.4.250.0000.00716.49
7.4.240.0050.00216.46
7.4.230.0050.00316.59
7.4.220.0160.00316.53
7.4.210.0070.00916.63
7.4.200.0070.00016.40
7.4.190.0030.00316.56
7.4.160.0090.00616.62
7.4.150.0140.00317.40
7.4.140.0110.00717.86
7.4.130.0100.00716.53
7.4.120.0090.00716.67
7.4.110.0100.01316.58
7.4.100.0150.00316.48
7.4.90.0040.01416.41
7.4.80.0070.01119.39
7.4.70.0160.00016.66
7.4.60.0120.00316.60
7.4.50.0030.00616.26
7.4.40.0030.01022.77
7.4.30.0090.01216.32
7.4.00.0060.00915.23
7.3.330.0030.00313.14
7.3.320.0000.00513.41
7.3.310.0030.00316.39
7.3.300.0000.00716.36
7.3.290.0070.00716.31
7.3.280.0060.00916.38
7.3.270.0080.00917.40
7.3.260.0100.00716.63
7.3.250.0070.01016.48
7.3.240.0140.00716.49
7.3.230.0070.01016.44
7.3.210.0100.00716.64
7.3.200.0060.00919.39
7.3.190.0100.00716.61
7.3.180.0090.00616.57
7.3.170.0000.01516.48
7.3.160.0120.00316.31
7.3.120.0070.00714.99
7.3.10.0040.00816.72
7.3.00.0090.00316.46
7.2.330.0070.01016.52
7.2.320.0070.01116.36
7.2.310.0120.01216.75
7.2.300.0030.01216.63
7.2.290.0140.00716.54
7.2.130.0000.01417.05
7.2.120.0000.01517.05
7.2.110.0170.00016.89
7.2.100.0090.00916.93
7.2.90.0030.01017.16
7.2.80.0070.00716.88
7.2.70.0120.00316.61
7.2.60.0040.00916.92
7.2.50.0060.00616.75
7.2.40.0140.00016.87
7.2.30.0030.01217.16
7.2.20.0030.00716.98
7.2.10.0030.01016.94
7.2.00.0060.00817.95
7.1.250.0060.00315.64
7.1.200.0000.01215.59
7.1.100.0080.00318.19
7.1.70.0070.00717.06
7.1.60.0140.01019.32
7.1.50.0140.00716.73
7.1.00.0030.03322.45
7.0.200.0000.00716.70
7.0.140.0070.06722.02
7.0.80.0370.05320.00
7.0.70.0030.04020.14
7.0.60.0100.08319.87
7.0.50.0030.04720.37
7.0.40.0030.08320.08
7.0.30.0030.05320.13
7.0.20.0030.03720.10
7.0.10.0100.03720.04
7.0.00.0100.04020.07
5.6.280.0070.08721.02
5.6.230.0030.04320.50
5.6.220.0030.05020.68
5.6.210.0030.03720.46
5.6.200.0130.03720.97
5.6.190.0000.04321.16
5.6.180.0070.07721.10
5.6.170.0030.03721.08
5.6.160.0030.07321.07
5.6.150.0030.04321.02
5.6.140.0030.08321.16
5.6.130.0030.07321.11
5.6.120.0100.08020.97
5.6.110.0130.07320.94
5.6.100.0070.06021.02
5.6.90.0130.08020.91
5.6.80.0070.08020.39
5.6.70.0170.07320.51
5.6.60.0070.05720.41
5.6.50.0130.04720.55
5.6.40.0070.04320.29
5.6.30.0030.07720.41
5.6.20.0170.07020.36
5.6.10.0070.06720.44
5.6.00.0170.07320.36
5.5.370.0070.04720.56
5.5.360.0000.05320.35
5.5.350.0100.04020.34
5.5.340.0000.04320.88
5.5.330.0030.06320.91
5.5.320.0070.04020.80
5.5.310.0100.03020.82
5.5.300.0100.08320.88
5.5.290.0130.08020.72
5.5.280.0100.07320.91
5.5.270.0100.05720.85
5.5.260.0200.08020.86
5.5.250.0070.04720.43
5.5.240.0030.05320.30
5.5.230.0070.07720.29
5.5.220.0070.08020.29
5.5.210.0070.04020.17
5.5.200.0070.06720.18
5.5.190.0070.05020.25
5.5.180.0030.04720.11
5.5.160.0200.06720.27
5.5.150.0100.05020.10
5.5.140.0130.07320.14
5.5.130.0130.07720.08
5.5.120.0070.08320.17
5.5.110.0070.05720.24
5.5.100.0030.05720.07
5.5.90.0070.04720.07
5.5.80.0100.04719.97
5.5.70.0030.04320.14
5.5.60.0170.06720.13
5.5.50.0030.06020.09
5.5.40.0170.07020.11
5.5.30.0000.08019.95
5.5.20.0130.07020.09
5.5.10.0070.08320.07
5.5.00.0130.07320.06
5.4.450.0070.05319.53
5.4.440.0200.07019.50
5.4.430.0070.04019.41
5.4.420.0030.08719.32
5.4.410.0130.04719.14
5.4.400.0200.07018.86
5.4.390.0100.07018.85
5.4.380.0030.08319.12
5.4.370.0100.06719.14
5.4.360.0030.04319.04
5.4.350.0070.03719.20
5.4.340.0030.08719.16
5.4.320.0070.07318.85
5.4.310.0000.05019.16
5.4.300.0170.07019.18
5.4.290.0100.07319.12
5.4.280.0030.07019.22
5.4.270.0000.08019.12
5.4.260.0070.07719.04
5.4.250.0100.07718.94
5.4.240.0000.04319.11
5.4.230.0000.04718.89
5.4.220.0100.04018.91
5.4.210.0200.06318.85
5.4.200.0100.06319.02
5.4.190.0100.04319.17
5.4.180.0100.08019.13
5.4.170.0130.03719.02
5.4.160.0030.08319.14
5.4.150.0070.08019.19
5.4.140.0130.06716.45
5.4.130.0030.07016.40
5.4.120.0100.03716.41
5.4.110.0100.04016.27
5.4.100.0030.07316.34
5.4.90.0170.06316.36
5.4.80.0100.07316.51
5.4.70.0000.04016.33
5.4.60.0030.03716.44
5.4.50.0070.07316.31
5.4.40.0070.04016.36
5.4.30.0100.05716.40
5.4.20.0100.06016.32
5.4.10.0100.07016.48
5.4.00.0030.07315.89
5.3.290.0070.07314.66
5.3.280.0100.07714.56
5.3.270.0030.08014.69
5.3.260.0100.04314.63
5.3.250.0070.07014.59
5.3.240.0170.06714.55
5.3.230.0070.07714.61
5.3.220.0030.04714.49
5.3.210.0030.07714.67
5.3.200.0070.03714.68
5.3.190.0030.06014.61
5.3.180.0030.07714.67
5.3.170.0030.04014.68
5.3.160.0030.07714.62
5.3.150.0100.05714.61
5.3.140.0070.08714.69
5.3.130.0030.06014.51
5.3.120.0130.05014.66
5.3.110.0100.07314.51
5.3.100.0070.04014.06
5.3.90.0070.07713.99
5.3.80.0070.03314.03
5.3.70.0170.03714.13
5.3.60.0030.07713.89
5.3.50.0070.07714.08
5.3.40.0070.07313.95
5.3.30.0070.05013.89
5.3.20.0070.07313.70
5.3.10.0000.04013.70
5.3.00.0070.05013.72
5.2.170.0030.06011.83
5.2.160.0070.03311.83
5.2.150.0030.06011.83
5.2.140.0030.05011.83
5.2.130.0030.04711.83
5.2.120.0130.03011.83
5.2.110.0100.04711.83
5.2.100.0000.06711.83
5.2.90.0070.06011.83
5.2.80.0100.04011.83
5.2.70.0070.03711.83
5.2.60.0000.04711.83
5.2.50.0070.02711.83
5.2.40.0000.07011.83
5.2.30.0100.05711.83
5.2.20.0100.05711.83
5.2.10.0030.06311.83
5.2.00.0070.03711.83
5.1.60.0130.04711.83
5.1.50.0000.05711.83
5.1.40.0000.04311.83
5.1.30.0070.03311.83
5.1.20.0030.05711.83
5.1.10.0130.02011.83
5.1.00.0070.02311.83
5.0.50.0070.03311.83
5.0.40.0000.04311.83
5.0.30.0030.04011.83
5.0.20.0000.04711.83
5.0.10.0070.04011.83
5.0.00.0070.05711.83
4.4.90.0030.03311.83
4.4.80.0000.01711.83
4.4.70.0000.03711.83
4.4.60.0070.03011.83
4.4.50.0070.03011.83
4.4.40.0070.05311.83
4.4.30.0000.03711.83
4.4.20.0030.02011.83
4.4.10.0000.04011.83
4.4.00.0070.02311.83
4.3.110.0030.02311.83
4.3.100.0030.03311.83
4.3.90.0070.03011.83
4.3.80.0000.03711.83
4.3.70.0030.03311.83
4.3.60.0130.02311.83
4.3.50.0000.03011.83
4.3.40.0000.04311.83
4.3.30.0000.02711.83
4.3.20.0000.04011.83
4.3.10.0070.03011.83
4.3.00.0000.03711.83

preferences:
37.89 ms | 401 KiB | 5 Q