3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); class a { function __construct() { echo "CONSTRUCTOR CALLED\r\n"; } function b($var) { return $var . 'x'; } } print a::b("pippo");

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)
8.3.60.0170.00316.50
8.3.50.0040.01317.42
8.3.40.0040.01118.79
8.3.30.0070.00718.86
8.3.20.0050.00318.73
8.3.10.0080.00020.65
8.3.00.0000.00819.51
8.2.180.0070.01116.50
8.2.170.0090.01222.96
8.2.160.0070.00720.98
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0030.00526.16
8.2.120.0080.00019.70
8.2.110.0100.00020.43
8.2.100.0090.00317.91
8.2.90.0040.00419.05
8.2.80.0090.00017.97
8.2.70.0050.00317.75
8.2.60.0000.00917.80
8.2.50.0090.00018.07
8.2.40.0040.00418.09
8.2.30.0060.00317.91
8.2.20.0040.00417.68
8.2.10.0000.00717.69
8.2.00.0040.00417.64
8.1.280.0170.00325.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00922.17
8.1.230.0040.00717.45
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0050.00317.53
8.1.180.0080.00018.10
8.1.170.0080.00018.91
8.1.160.0000.00718.64
8.1.150.0050.00218.50
8.1.140.0060.00317.24
8.1.130.0030.00317.82
8.1.120.0000.00717.41
8.1.110.0020.00517.35
8.1.100.0070.00017.33
8.1.90.0080.00017.23
8.1.80.0030.00317.32
8.1.70.0000.00717.35
8.1.60.0030.00617.41
8.1.50.0000.00817.32
8.1.40.0060.00317.36
8.1.30.0000.00717.54
8.1.20.0000.00817.61
8.1.10.0000.00817.54
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00518.42
8.0.270.0000.00817.11
8.0.260.0070.00016.76
8.0.250.0000.00716.92
8.0.240.0000.00817.02
8.0.230.0070.00016.87
8.0.220.0070.00016.95
8.0.210.0050.00316.92
8.0.200.0030.00316.95
8.0.190.0000.00716.96
8.0.180.0000.00816.90
8.0.170.0030.00516.81
8.0.160.0050.00316.89
8.0.150.0040.00416.85
8.0.140.0060.00616.83
8.0.130.0000.00613.35
8.0.120.0000.00716.77
8.0.110.0000.00716.72
8.0.100.0030.00516.76
8.0.90.0000.00816.75
8.0.80.0060.00916.85
8.0.70.0000.00716.88
8.0.60.0070.00016.92
8.0.50.0070.00016.77
8.0.30.0100.01316.91
8.0.20.0100.00717.01
8.0.10.0070.00017.01
8.0.00.0090.00916.65
7.4.330.0000.00512.81
7.4.320.0000.00616.40
7.4.300.0000.00616.55
7.4.290.0030.00316.59
7.4.280.0070.00016.60
7.4.270.0030.00316.46
7.4.260.0000.00613.23
7.4.250.0050.00216.47
7.4.240.0000.00716.47
7.4.230.0000.00716.54
7.4.220.0040.01516.54
7.4.210.0060.00916.56
7.4.200.0040.00416.56
7.4.190.0000.00716.56
7.4.160.0120.00916.57
7.4.150.0100.00716.53
7.4.140.0140.00716.38
7.4.130.0090.00916.42
7.4.120.0060.01316.55
7.4.110.0090.00916.36
7.4.100.0200.00016.43
7.4.90.0120.00616.36
7.4.80.0110.00816.59
7.4.70.0050.01116.56
7.4.60.0060.01116.43
7.4.50.0050.00016.29
7.4.40.0000.01216.58
7.4.30.0000.01716.51
7.4.00.0060.00615.14
7.3.330.0060.00013.26
7.3.320.0000.00513.30
7.3.310.0070.00016.15
7.3.300.0040.00416.25
7.3.290.0090.00616.29
7.3.280.0090.00816.29
7.3.270.0070.01016.51
7.3.260.0130.00416.43
7.3.250.0050.01216.42
7.3.240.0070.01016.25
7.3.230.0070.01516.36
7.3.210.0090.00616.28
7.3.200.0100.00919.39
7.3.190.0060.01316.21
7.3.180.0060.01016.32
7.3.170.0050.01016.53
7.3.160.0000.01616.26
7.3.120.0070.01014.91
7.2.330.0080.00816.35
7.2.320.0100.01016.70
7.2.310.0110.01116.71
7.2.300.0090.01216.52
7.2.290.0120.00316.57
7.2.00.0120.00619.32
7.1.200.0070.00715.71
7.1.100.0090.00017.88
7.1.70.0030.00517.07
7.1.60.0100.01319.40
7.1.50.0060.01216.78
7.1.00.0000.07322.46
7.0.200.0060.00316.41
7.0.140.0000.07321.96
7.0.120.0500.05020.22
7.0.110.0300.08320.25
7.0.100.0270.04720.30
7.0.90.0200.05320.11
7.0.80.0300.07020.18
7.0.70.0200.04320.30
7.0.60.0200.04020.11
7.0.50.0170.04720.12
7.0.40.0070.03319.95
7.0.30.0100.08019.97
7.0.20.0100.06720.14
7.0.10.0070.08019.98
7.0.00.0070.05320.02
5.6.280.0030.07321.10
5.6.270.0130.03020.80
5.6.260.0030.09021.07
5.6.250.0070.06020.80
5.6.240.0070.05020.79
5.6.230.0070.05720.86
5.6.220.0070.05721.04
5.6.210.0130.04020.98
5.6.200.0070.08720.95
5.6.190.0070.04020.77
5.6.180.0030.08021.00
5.6.170.0000.06321.03
5.6.160.0170.04320.79
5.6.150.0100.09321.04
5.6.140.0170.04720.89
5.6.130.0070.09320.98
5.6.120.0200.07720.78
5.6.110.0130.08020.77
5.6.100.0200.05320.86
5.6.90.0070.09720.88
5.6.80.0200.06320.33
5.6.70.0100.07020.35
5.6.60.0100.03320.13
5.6.50.0030.05320.09
5.6.40.0130.04720.37
5.6.30.0100.08320.11
5.6.20.0030.04720.30
5.6.10.0030.04020.32
5.6.00.0130.03320.28
5.5.380.0030.04317.70
5.5.370.0030.06017.59
5.5.360.0070.04017.58
5.5.350.0200.03717.58
5.5.340.0100.05718.10
5.5.330.0000.04717.93
5.5.320.0100.03717.93
5.5.310.0230.03717.83
5.5.300.0200.05318.07
5.5.290.0130.04017.83
5.5.280.0030.09018.25
5.5.270.0100.06718.04
5.5.260.0030.07717.92
5.5.250.0000.04718.04
5.5.240.0130.03017.32
5.5.230.0070.03017.30
5.5.220.0070.07717.46
5.5.210.0070.06717.48
5.5.200.0070.04317.63
5.5.190.0070.04717.27
5.5.180.0130.03317.26
5.5.160.0070.03017.46
5.5.150.0030.03717.27
5.5.140.0030.04017.30
5.5.130.0030.03717.26
5.5.120.0070.03317.45
5.5.110.0070.03717.42
5.5.100.0030.03317.17
5.5.90.0070.03317.38
5.5.80.0000.04017.16
5.5.70.0100.03317.37
5.5.60.0030.03317.47
5.5.50.0030.04017.49
5.5.40.0130.02717.34
5.5.30.0030.03717.21
5.5.20.0100.04017.32
5.5.10.0000.04017.31
5.5.00.0000.04017.33
5.4.450.0130.03719.31
5.4.440.0200.04719.44
5.4.430.0100.03719.36
5.4.420.0030.08719.45
5.4.410.0100.05719.14
5.4.400.0100.08318.93
5.4.390.0000.05019.04
5.4.380.0100.06718.94
5.4.370.0130.03019.13
5.4.360.0070.03319.13
5.4.350.0000.07318.90
5.4.340.0030.03719.16
5.4.320.0100.04719.14
5.4.310.0070.03318.94
5.4.300.0030.03719.13
5.4.290.0030.03719.13
5.4.280.0030.04018.96
5.4.270.0100.03019.31
5.4.260.0070.06318.95
5.4.250.0000.04019.28
5.4.240.0000.04018.96
5.4.230.0000.04018.93
5.4.220.0000.04019.26
5.4.210.0030.03319.17
5.4.200.0030.03718.93
5.4.190.0070.03318.95
5.4.180.0030.03718.94
5.4.170.0000.04018.95
5.4.160.0030.03318.91
5.4.150.0030.04018.93
5.4.140.0030.03316.31
5.4.130.0030.03716.45
5.4.120.0030.03716.30
5.4.110.0000.06016.51
5.4.100.0030.04716.60
5.4.90.0000.07716.41
5.4.80.0000.05016.59
5.4.70.0070.07316.42
5.4.60.0100.07316.35
5.4.50.0130.03316.52
5.4.40.0130.04316.54
5.4.30.0070.03316.49
5.4.20.0030.06016.42
5.4.10.0130.06716.43
5.4.00.0100.03715.93
5.3.290.0030.03714.67
5.3.280.0000.04014.59
5.3.270.0000.04014.73
5.3.260.0070.03314.74
5.3.250.0100.06014.83
5.3.240.0000.03314.59
5.3.230.0000.04314.59
5.3.220.0070.03314.52
5.3.210.0130.03014.52
5.3.200.0030.04014.69
5.3.190.0130.03314.69
5.3.180.0100.07014.55
5.3.170.0070.08014.79
5.3.160.0100.06314.62
5.3.150.0130.04314.79
5.3.140.0130.06314.51
5.3.130.0100.07314.52
5.3.120.0070.07314.64
5.3.110.0070.07014.57
5.3.100.0030.07714.18
5.3.90.0070.07314.04
5.3.80.0030.05314.05
5.3.70.0000.07014.00
5.3.60.0070.06314.01
5.3.50.0030.06713.96
5.3.40.0030.07014.09
5.3.30.0030.06713.77
5.3.20.0000.03313.92
5.3.10.0030.06013.63
5.3.00.0100.03013.62
5.2.170.0000.06711.11
5.2.160.0000.04011.14
5.2.150.0000.04711.29
5.2.140.0100.05011.23
5.2.130.0100.02011.07
5.2.120.0030.05311.09
5.2.110.0030.02711.07
5.2.100.0030.06011.12
5.2.90.0100.05311.19
5.2.80.0000.03311.09
5.2.70.0000.05011.16
5.2.60.0030.02710.91
5.2.50.0030.05711.03
5.2.40.0100.05310.97
5.2.30.0070.06010.96
5.2.20.0030.06311.02
5.2.10.0100.05711.09
5.2.00.0000.06710.67
5.1.60.0070.05710.07
5.1.50.0070.0279.99
5.1.40.0070.04010.23
5.1.30.0000.04710.31
5.1.20.0130.05310.35
5.1.10.0000.03710.05
5.1.00.0000.02710.15
5.0.50.0070.0279.68
5.0.40.0000.0239.68
5.0.30.0070.0609.68
5.0.20.0030.0339.68
5.0.10.0000.0209.68
5.0.00.0030.0479.68
4.4.90.0000.0139.68
4.4.80.0000.0309.68
4.4.70.0030.0379.68
4.4.60.0070.0139.68
4.4.50.0070.0279.68
4.4.40.0030.0539.68
4.4.30.0000.0339.68
4.4.20.0030.0379.68
4.4.10.0030.0179.68
4.4.00.0030.0379.68
4.3.110.0030.0179.68
4.3.100.0000.0309.68
4.3.90.0000.0309.68
4.3.80.0000.0439.68
4.3.70.0030.0239.68
4.3.60.0000.0179.68
4.3.50.0030.0279.68
4.3.40.0000.0239.68
4.3.30.0030.0209.68
4.3.20.0000.0379.68
4.3.10.0000.0309.68
4.3.00.0030.0109.68

preferences:
37.96 ms | 401 KiB | 5 Q