3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private $m = 1; function _construct() { } function f() { return $this->m; } } var_dump(is_callable(array("a", "f")));

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)
8.3.60.0100.00716.63
8.3.50.0080.00819.94
8.3.40.0090.00618.57
8.3.30.0090.00618.79
8.3.20.0040.00420.24
8.3.10.0030.00623.57
8.3.00.0050.00319.13
8.2.180.0090.00916.32
8.2.170.0100.01022.96
8.2.160.0090.00620.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0020.00526.16
8.2.120.0040.00421.16
8.2.110.0060.00320.52
8.2.100.0090.00317.84
8.2.90.0000.00819.09
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0000.00717.91
8.2.50.0000.00818.07
8.2.40.0090.00019.76
8.2.30.0070.00017.80
8.2.20.0040.00417.54
8.2.10.0000.00717.93
8.2.00.0070.00017.62
8.1.280.0140.00325.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0030.00328.09
8.1.240.0000.00821.89
8.1.230.0070.00319.00
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0100.00317.10
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0040.00422.05
8.1.150.0040.00418.74
8.1.140.0000.01217.27
8.1.130.0000.00717.67
8.1.120.0040.00417.32
8.1.110.0050.00217.32
8.1.100.0040.00417.21
8.1.90.0040.00417.21
8.1.80.0000.00717.38
8.1.70.0000.00717.24
8.1.60.0030.00617.48
8.1.50.0030.00517.42
8.1.40.0040.00417.39
8.1.30.0000.00817.41
8.1.20.0050.00317.35
8.1.10.0090.00017.24
8.1.00.0050.00317.23
8.0.300.0030.00518.77
8.0.290.0020.00516.58
8.0.280.0030.00318.35
8.0.270.0030.00317.11
8.0.260.0060.00016.99
8.0.250.0030.00316.71
8.0.240.0050.00316.81
8.0.230.0030.00516.82
8.0.220.0070.00016.73
8.0.210.0050.00216.72
8.0.200.0030.00316.77
8.0.190.0040.00316.86
8.0.180.0000.00816.68
8.0.170.0080.00016.82
8.0.160.0000.00716.74
8.0.150.0040.00316.63
8.0.140.0000.00716.54
8.0.130.0000.00513.14
8.0.120.0020.00516.71
8.0.110.0000.00716.75
8.0.100.0080.00016.70
8.0.90.0040.00416.79
8.0.80.0120.00616.71
8.0.70.0030.00516.55
8.0.60.0040.00416.62
8.0.50.0000.00716.61
8.0.30.0120.01016.92
8.0.20.0110.00917.40
8.0.10.0070.00016.89
8.0.00.0120.00816.53
7.4.330.0000.00615.07
7.4.320.0000.00716.37
7.4.300.0060.00016.27
7.4.290.0040.00416.46
7.4.280.0030.00616.44
7.4.270.0030.00316.39
7.4.260.0030.00316.28
7.4.250.0000.00716.43
7.4.240.0030.00516.46
7.4.230.0000.00716.46
7.4.220.0150.00316.29
7.4.210.0000.01316.51
7.4.200.0040.00416.48
7.4.160.0090.00916.25
7.4.150.0130.00717.40
7.4.140.0110.00617.86
7.4.130.0080.00916.41
7.4.120.0110.00616.34
7.4.110.0140.00316.50
7.4.100.0120.00616.39
7.4.90.0140.00316.42
7.4.80.0070.01019.39
7.4.70.0100.01016.36
7.4.60.0130.00916.21
7.4.50.0050.00016.44
7.4.40.0080.00816.33
7.4.30.0130.00316.50
7.4.00.0060.01014.63
7.3.330.0030.00313.14
7.3.320.0050.00013.24
7.3.310.0030.00316.20
7.3.300.0000.00616.04
7.3.290.0070.00716.18
7.3.280.0080.00916.15
7.3.270.0070.01017.40
7.3.260.0040.01216.54
7.3.250.0090.01016.14
7.3.240.0060.01216.17
7.3.230.0030.01316.47
7.3.210.0110.00616.18
7.3.200.0160.00619.39
7.3.190.0130.01016.44
7.3.180.0040.01216.21
7.3.170.0060.00916.27
7.3.160.0080.01216.47
7.3.120.0120.00514.65
7.3.110.0080.00914.59
7.3.100.0040.01014.73
7.3.90.0090.00614.49
7.3.80.0050.00814.54
7.3.70.0090.00314.63
7.3.60.0040.00914.41
7.3.50.0000.01114.72
7.3.40.0050.00714.57
7.3.30.0080.00614.71
7.3.20.0070.00916.51
7.3.10.0070.00916.37
7.3.00.0040.00616.48
7.2.330.0060.01216.14
7.2.320.0110.01116.35
7.2.310.0140.01116.54
7.2.300.0070.01116.39
7.2.290.0150.00316.14
7.2.250.0080.01114.74
7.2.240.0070.01014.58
7.2.230.0080.01114.87
7.2.220.0050.01114.77
7.2.210.0040.01014.95
7.2.200.0030.00814.65
7.2.190.0090.00614.80
7.2.180.0030.01214.88
7.2.170.0000.01414.78
7.1.330.0030.01015.73
7.1.320.0050.00715.54
7.1.310.0080.00615.80
7.1.300.0040.01115.53
7.1.290.0100.00215.69
7.1.280.0060.00915.43
7.1.270.0050.00715.64
7.1.260.0050.00915.57
7.1.100.0040.00818.05
7.1.70.0030.00716.99
7.1.60.0110.01419.46
7.1.50.0090.01216.62
7.1.00.0100.07022.54
7.0.200.0000.00716.66
7.0.140.0070.07022.07
7.0.60.0130.06720.00
7.0.50.0030.04017.87
7.0.40.0200.07020.24
7.0.30.0200.05720.28
7.0.20.0300.07320.23
7.0.10.0100.08020.06
7.0.00.0030.05320.16
5.6.280.0100.06320.91
5.6.210.0030.04020.54
5.6.200.0100.07018.19
5.6.190.0100.07320.64
5.6.180.0130.04320.57
5.6.170.0330.06320.71
5.6.160.0000.05720.50
5.6.150.0130.07318.18
5.6.140.0070.06318.19
5.6.130.0030.04018.28
5.6.120.0070.08721.01
5.6.110.0130.07721.05
5.6.100.0070.09021.14
5.6.90.0030.08721.00
5.6.80.0170.07720.38
5.5.350.0370.07020.39
5.5.340.0070.07317.93
5.5.330.0000.04720.37
5.5.320.0170.04720.24
5.5.310.0370.06720.29
5.5.300.0070.05717.98
5.5.290.0070.08317.95
5.5.280.0070.05020.85
5.5.270.0170.08020.81
5.5.260.0030.06320.87
5.5.250.0100.06320.61
5.5.240.0030.08020.16
5.4.450.0500.04019.28
5.4.440.0230.04719.20
5.4.430.0400.03719.63
5.4.420.0330.04019.19
5.4.410.0170.04319.36
5.4.400.0400.03319.07
5.4.390.0500.04018.95
5.4.380.0330.05018.71
5.4.370.0500.04018.73
5.4.360.0300.05318.56
5.4.350.0300.05318.50
5.4.340.0300.05318.56
5.4.320.0080.03312.50
5.4.310.0060.03712.50
5.4.300.0070.03812.50
5.4.290.0050.04612.49
5.4.280.0050.03512.39
5.4.270.0030.03712.39
5.4.260.0070.03412.40
5.4.250.0060.03612.40
5.4.240.0050.03512.39
5.4.230.0060.03612.39
5.4.220.0070.04112.39
5.4.210.0030.03712.38
5.4.200.0070.03512.38
5.4.190.0060.03612.38
5.4.180.0060.04612.38
5.4.170.0110.03112.39
5.4.160.0040.03812.39
5.4.150.0080.03712.39
5.4.140.0070.03412.07
5.4.130.0040.03612.06
5.4.120.0050.03512.02
5.4.110.0080.03212.02
5.4.100.0060.03412.01
5.4.90.0050.03612.01
5.4.80.0040.03712.02
5.4.70.0040.03612.01
5.4.60.0050.03512.00
5.4.50.0080.03412.01
5.4.40.0040.03611.99
5.4.30.0060.03511.99
5.4.20.0090.03411.99
5.4.10.0070.03611.99
5.4.00.0040.04411.48
5.3.290.0050.03912.80
5.3.280.0060.03712.71
5.3.270.0050.03912.72
5.3.260.0100.03412.71
5.3.250.0070.03612.72
5.3.240.0050.03712.72
5.3.230.0100.03612.71
5.3.220.0060.03812.68
5.3.210.0080.03812.68
5.3.200.0080.03612.68
5.3.190.0040.03912.68
5.3.180.0060.03912.67
5.3.170.0070.03712.66
5.3.160.0110.03312.68
5.3.150.0100.03212.68
5.3.140.0060.03612.66
5.3.130.0080.03712.66
5.3.120.0070.05612.66
5.3.110.0080.03712.66
5.3.100.0080.03612.12
5.3.90.0090.03812.10
5.3.80.0060.03612.09
5.3.70.0090.04312.09
5.3.60.0060.03812.08
5.3.50.0070.03812.03
5.3.40.0050.03812.03
5.3.30.0080.03311.98
5.3.20.0110.03711.77
5.3.10.0060.03511.73
5.3.00.0060.04111.72
5.2.170.0040.0319.22
5.2.160.0080.0259.22
5.2.150.0090.0279.22
5.2.140.0050.0329.22
5.2.130.0040.0309.18
5.2.120.0050.0279.18
5.2.110.0050.0289.18
5.2.100.0070.0289.18
5.2.90.0040.0309.17
5.2.80.0050.0369.18
5.2.70.0040.0329.18
5.2.60.0020.0389.13
5.2.50.0080.0279.10
5.2.40.0060.0279.07
5.2.30.0030.0309.05
5.2.20.0070.0269.03
5.2.10.0070.0278.94
5.2.00.0060.0338.80
5.1.60.0040.0248.09
5.1.50.0030.0258.09
5.1.40.0040.0248.07
5.1.30.0020.0288.42
5.1.20.0060.0318.44
5.1.10.0020.0328.16
5.1.00.0030.0268.16
5.0.50.0060.0246.64
5.0.40.0060.0236.50
5.0.30.0050.0286.32
5.0.20.0030.0226.27
5.0.10.0040.0266.26
5.0.00.0040.0316.25
4.4.90.0020.0154.78
4.4.80.0020.0194.76
4.4.70.0030.0144.75
4.4.60.0040.0144.76
4.4.50.0000.0184.77
4.4.40.0030.0234.71
4.4.30.0050.0124.76
4.4.20.0040.0154.85
4.4.10.0020.0224.85
4.4.00.0030.0274.76
4.3.110.0020.0174.67
4.3.100.0030.0164.67
4.3.90.0020.0154.63
4.3.80.0020.0244.58
4.3.70.0040.0194.63
4.3.60.0040.0234.62
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0040.0133.28
4.3.10.0040.0133.23
4.3.00.0270.00715.68

preferences:
58.35 ms | 400 KiB | 5 Q