3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f1($p = null) { var_dump($p); } function f2($p = false) { var_dump($p); } f1(); f1(false); f1(null); f1("qualcosa"); echo "\n\n"; f2(); f2(false); f2(null); f2("qualcosa");

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)
8.3.40.0090.00618.54
8.3.30.0060.00919.14
8.3.20.0000.00820.33
8.3.10.0080.00021.79
8.3.00.0040.00422.30
8.2.170.0070.00722.96
8.2.160.0090.00620.46
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0100.00026.16
8.2.120.0040.00419.54
8.2.110.0060.00320.47
8.2.100.0110.00017.59
8.2.90.0080.00019.09
8.2.80.0040.00417.97
8.2.70.0070.00317.46
8.2.60.0080.00017.68
8.2.50.0060.00318.07
8.2.40.0040.00417.91
8.2.30.0070.00017.80
8.2.20.0040.00417.53
8.2.10.0030.00617.58
8.2.00.0040.00417.59
8.1.270.0040.00420.33
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0090.00022.43
8.1.230.0080.00320.98
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.13
8.1.190.0000.00717.40
8.1.180.0080.00018.46
8.1.170.0030.00518.67
8.1.160.0030.00522.13
8.1.150.0070.00018.55
8.1.140.0040.00417.19
8.1.130.0070.00017.67
8.1.120.0000.00817.34
8.1.110.0050.00317.26
8.1.100.0000.00717.31
8.1.90.0050.00317.31
8.1.80.0040.00417.39
8.1.70.0000.00717.34
8.1.60.0050.00317.56
8.1.50.0040.00417.43
8.1.40.0040.00417.31
8.1.30.0040.00417.54
8.1.20.0040.00417.46
8.1.10.0040.00417.48
8.1.00.0040.00417.42
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0050.00318.26
8.0.270.0030.00317.20
8.0.260.0000.00616.77
8.0.250.0070.00016.87
8.0.240.0050.00316.81
8.0.230.0000.00716.83
8.0.220.0030.00316.75
8.0.210.0000.00716.77
8.0.200.0060.00016.89
8.0.190.0080.00016.80
8.0.180.0030.00616.76
8.0.170.0000.00816.82
8.0.160.0070.00016.79
8.0.150.0040.00416.73
8.0.140.0050.00316.69
8.0.130.0050.00013.14
8.0.120.0070.00016.71
8.0.110.0000.00816.73
8.0.100.0030.00316.54
8.0.90.0040.00416.87
8.0.80.0100.01316.68
8.0.70.0000.00816.65
8.0.60.0080.00016.73
8.0.50.0050.00216.64
8.0.30.0180.00516.97
8.0.20.0110.00717.40
8.0.10.0040.00416.70
8.0.00.0130.01116.66
7.4.330.0050.00215.00
7.4.320.0000.00616.49
7.4.300.0030.00316.53
7.4.290.0030.00616.49
7.4.280.0030.00316.44
7.4.270.0070.00016.52
7.4.260.0000.00716.45
7.4.250.0040.00416.30
7.4.240.0050.00216.48
7.4.230.0000.00816.32
7.4.220.0160.00916.49
7.4.210.0040.01116.53
7.4.200.0030.00316.56
7.4.190.0030.00316.68
7.4.160.0120.00416.57
7.4.150.0060.01117.40
7.4.140.0130.00817.86
7.4.130.0110.01016.32
7.4.120.0070.01016.32
7.4.110.0100.00716.19
7.4.100.0100.00716.41
7.4.90.0070.01016.42
7.4.80.0170.00019.39
7.4.70.0150.00316.31
7.4.60.0120.00316.23
7.4.50.0000.00416.53
7.4.40.0070.01122.77
7.4.30.0000.01616.27
7.4.00.0080.00814.73
7.3.330.0030.00313.18
7.3.320.0050.00013.17
7.3.310.0040.00416.28
7.3.300.0050.00216.03
7.3.290.0080.00516.22
7.3.280.0090.00916.25
7.3.270.0110.00717.40
7.3.260.0030.01416.10
7.3.250.0090.00816.46
7.3.240.0090.00916.24
7.3.230.0120.00916.39
7.3.210.0030.01416.59
7.3.200.0100.00619.39
7.3.190.0150.00616.56
7.3.180.0030.01416.28
7.3.170.0030.01216.37
7.3.160.0040.01216.53
7.3.120.0050.01214.69
7.3.110.0070.00714.88
7.3.100.0000.01414.83
7.3.90.0070.01114.63
7.3.80.0030.01014.62
7.3.70.0060.01214.61
7.3.60.0000.01614.86
7.3.50.0000.01414.44
7.3.40.0110.00414.59
7.3.30.0070.00314.63
7.3.20.0060.00916.52
7.3.10.0040.01116.69
7.3.00.0030.01116.58
7.2.330.0060.01516.62
7.2.320.0080.00816.56
7.2.310.0110.01116.40
7.2.300.0030.01316.66
7.2.290.0090.00616.40
7.2.250.0000.01814.99
7.2.240.0090.00614.88
7.2.230.0070.01014.61
7.2.220.0110.00714.95
7.2.210.0070.00714.91
7.2.200.0070.00714.95
7.2.190.0030.01314.84
7.2.180.0080.00415.05
7.2.170.0030.01314.95
7.2.130.0080.00816.84
7.2.120.0030.00616.91
7.2.110.0040.00816.92
7.2.100.0060.00616.90
7.2.90.0040.00816.92
7.2.80.0040.00716.60
7.2.70.0070.00416.50
7.2.60.0080.00616.59
7.2.50.0090.00916.88
7.2.40.0070.00416.60
7.2.30.0050.00816.88
7.2.20.0000.00916.59
7.2.10.0040.00716.70
7.2.00.0060.00616.66
7.1.330.0100.00615.97
7.1.320.0040.00715.69
7.1.310.0030.01315.68
7.1.300.0080.00815.80
7.1.290.0110.00415.80
7.1.280.0060.00615.73
7.1.270.0070.00315.66
7.1.260.0080.00015.54
7.1.250.0000.01115.92
7.1.240.0070.00415.71
7.1.230.0000.01015.68
7.1.220.0030.00715.87
7.1.210.0030.00915.57
7.1.200.0050.00715.72
7.1.190.0000.00815.82
7.1.180.0090.00015.69
7.1.170.0100.00015.46
7.1.160.0000.01115.82
7.1.150.0050.00215.69
7.1.140.0060.00315.65
7.1.130.0000.01715.68
7.1.120.0050.00515.47
7.1.110.0000.01315.86
7.1.100.0110.00315.58
7.1.90.0100.00315.32
7.1.80.0080.00815.76
7.1.70.0030.00716.36
7.1.60.0090.01117.72
7.1.50.0050.00716.16
7.1.40.0030.00615.72
7.1.30.0060.00615.69
7.1.20.0000.01015.65
7.1.10.0040.00415.82
7.1.00.0070.01919.03
7.0.330.0030.00615.13
7.0.320.0030.00615.43
7.0.310.0100.00715.35
7.0.300.0060.00815.34
7.0.290.0060.00915.39
7.0.280.0030.00615.34
7.0.270.0040.00415.14
7.0.260.0030.01015.06
7.0.250.0000.01015.50
7.0.240.0090.00414.94
7.0.230.0100.00015.26
7.0.220.0040.00415.29
7.0.210.0030.00815.36
7.0.200.0040.00916.16
7.0.190.0000.01415.45
7.0.180.0040.00815.01
7.0.170.0040.01115.47
7.0.160.0030.00915.16
7.0.150.0000.01215.17
7.0.140.0030.04018.51
7.0.130.0040.00715.29
7.0.120.0060.01015.24
7.0.110.0070.00315.42
7.0.100.0070.00715.04
7.0.90.0000.01115.34
7.0.80.0090.00315.46
7.0.70.0050.00815.25
7.0.60.0100.04017.72
7.0.50.0060.02616.79
7.0.40.0070.03816.64
7.0.30.0150.04016.92
7.0.20.0100.02416.70
7.0.10.0090.03916.93
7.0.00.0020.04716.82
5.6.380.0080.00414.23
5.6.370.0090.00014.15
5.6.360.0030.00514.35
5.6.350.0030.01314.29
5.6.340.0090.00314.05
5.6.330.0000.00814.08
5.6.320.0000.00814.36
5.6.310.0000.01313.88
5.6.300.0060.00614.26
5.6.290.0070.00713.77
5.6.280.0050.04117.61
5.6.270.0030.00713.66
5.6.260.0100.00013.88
5.6.250.0070.00314.40
5.6.240.0040.00813.93
5.6.230.0080.00414.39
5.6.220.0070.00713.98
5.6.210.0050.04717.42
5.6.200.0050.02315.99
5.6.190.0080.02217.51
5.6.180.0170.04217.47
5.6.170.0100.02817.36
5.6.160.0050.03317.16
5.6.150.0030.04016.10
5.6.140.0070.03316.15
5.6.130.0070.02416.37
5.6.120.0080.04317.54
5.6.110.0080.04317.69
5.6.100.0080.04817.64
5.6.90.0100.04317.47
5.6.80.0030.04517.12
5.6.70.1380.02517.19
5.6.60.0110.00613.98
5.6.50.0030.01014.27
5.6.40.0120.00014.01
5.6.30.0080.00414.12
5.6.20.0060.00613.77
5.6.10.0070.00314.05
5.6.00.0110.00013.82
5.5.380.0030.00311.07
5.5.370.0000.00610.90
5.5.360.0000.00710.95
5.5.350.0130.04015.65
5.5.340.0050.02814.46
5.5.330.0070.03415.69
5.5.320.0180.04215.58
5.5.310.0120.03115.72
5.5.300.0080.03514.47
5.5.290.0030.03614.56
5.5.280.0100.02215.96
5.5.270.0060.03215.87
5.5.260.0120.03815.79
5.5.250.0020.03615.76
5.5.240.0180.03115.56
5.5.230.0040.00410.90
5.5.220.0070.00310.90
5.5.210.0030.00310.90
5.5.200.0030.00510.90
5.5.190.0030.00610.99
5.5.180.0060.00611.14
5.5.170.0030.00610.90
5.5.160.0030.00610.90
5.5.150.0080.00311.00
5.5.140.0070.00010.96
5.5.130.0000.01210.90
5.5.120.0030.00610.90
5.5.110.0000.01210.90
5.5.100.0030.00310.90
5.5.90.0090.00310.90
5.5.80.0000.00610.90
5.5.70.0070.00310.93
5.5.60.0000.01010.90
5.5.50.0110.00010.90
5.5.40.0030.00710.98
5.5.30.0060.00011.07
5.5.20.0000.00710.90
5.5.10.0070.00010.90
5.5.00.0040.00710.90
5.4.450.0330.03615.12
5.4.440.0150.03015.17
5.4.430.0120.02615.04
5.4.420.0400.02615.36
5.4.410.0120.02615.31
5.4.400.0220.03514.81
5.4.390.0420.03214.82
5.4.380.0150.03014.76
5.4.370.0100.03014.77
5.4.360.0030.03414.86
5.4.350.0060.02611.46
5.4.340.0070.02511.46
5.4.330.0060.00010.90
5.4.320.0040.02311.71
5.4.310.0020.02611.70
5.4.300.0050.02111.70
5.4.290.0070.02211.70
5.4.280.0040.02711.65
5.4.270.0020.02711.65
5.4.260.0070.01811.65
5.4.250.0060.03014.94
5.4.240.0170.02714.95
5.4.230.0050.02814.83
5.4.220.0000.03314.93
5.4.210.0100.03914.94
5.4.200.0090.02714.93
5.4.190.0100.02314.89
5.4.180.0100.02314.85
5.4.170.0050.03614.94
5.4.160.0050.02914.94
5.4.150.0030.03514.82
5.4.140.0080.02513.79
5.4.130.0050.02713.68
5.4.120.0030.02613.66
5.4.110.0000.03213.70
5.4.100.0080.03113.67
5.4.90.0000.03113.79
5.4.80.0050.02713.63
5.4.70.0060.02613.71
5.4.60.0100.03513.65
5.4.50.0030.03313.67
5.4.40.0060.03313.65
5.4.30.0000.03513.75
5.4.20.0080.03813.69
5.4.10.0060.03813.66
5.4.00.0030.02713.38
5.3.290.0040.02311.85
5.3.280.0030.03212.83
5.3.270.0050.02912.75
5.3.260.0040.02812.74
5.3.250.0070.02512.74
5.3.240.0020.03212.74
5.3.230.0030.03012.73
5.3.220.0020.03012.84
5.3.210.0100.02312.77
5.3.200.0050.02912.76
5.3.190.0050.03112.77
5.3.180.0100.02212.76
5.3.170.0080.02512.77
5.3.160.0050.03812.82
5.3.150.0120.03212.72
5.3.140.0130.02312.73
5.3.130.0020.04512.77
5.3.120.0050.03012.76
5.3.110.0030.03712.83
5.3.100.0020.03212.51
5.3.90.0050.02512.53
5.3.80.0060.02612.46
5.3.70.0030.03012.57
5.3.60.0080.02312.44
5.3.50.0080.02312.47
5.3.40.0040.02812.43
5.3.30.0070.02312.44
5.3.20.0050.02812.32
5.3.10.0020.02812.26
5.3.00.0100.02512.37
5.2.170.0020.02610.97
5.2.160.0060.01911.10
5.2.150.0000.02711.02
5.2.140.0000.02410.97
5.2.130.0020.02211.04
5.2.120.0030.02210.99
5.2.110.0050.02011.04
5.2.100.0030.02610.91
5.2.90.0060.01811.04
5.2.80.0050.03011.03
5.2.70.0010.02810.95
5.2.60.0020.02811.09
5.2.50.0030.02211.05
5.2.40.0080.01810.99
5.2.30.0060.02011.02
5.2.20.0070.01811.02
5.2.10.0050.01810.83
5.2.00.0020.02410.84
5.1.60.0000.02010.41
5.1.50.0080.02110.53
5.1.40.0030.01810.52
5.1.30.0020.02410.66
5.1.20.0030.02010.66
5.1.10.0000.02410.49
5.1.00.0060.01810.47
5.0.50.0000.0179.75
5.0.40.0000.0199.65
5.0.30.0050.0209.68
5.0.20.0040.0139.62
5.0.10.0020.0189.57
5.0.00.0050.0289.56
4.4.90.0070.0088.82
4.4.80.0060.0108.82
4.4.70.0040.0108.82
4.4.60.0020.0138.82
4.4.50.0020.0138.82
4.4.40.0010.0188.82
4.4.30.0000.0158.82
4.4.20.0030.0118.82
4.4.10.0050.0088.82
4.4.00.0030.0188.82
4.3.110.0020.0168.82
4.3.100.0030.0158.82
4.3.90.0040.0128.82
4.3.80.0020.0178.82
4.3.70.0000.0128.82
4.3.60.0020.0128.82
4.3.50.0040.0118.82
4.3.40.0000.0198.82
4.3.30.0000.0158.82
4.3.20.0000.0188.82
4.3.10.0030.0108.82
4.3.00.0010.0138.78

preferences:
45.03 ms | 400 KiB | 5 Q