3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flag = 2; // true if ($flag) echo "I am true.\n"; $flag = 0; // false if (!$flag) echo "I am false.\n"; $flag = -1; if ($flag) { echo "Null is true.\n"; } if (!$flag) { echo "Null is false.\n"; }

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)
8.3.60.0070.00718.30
8.3.50.0100.00922.06
8.3.40.0120.00318.74
8.3.30.0070.00718.91
8.3.20.0000.00720.13
8.3.10.0050.00320.52
8.3.00.0030.00619.26
8.2.180.0090.00618.48
8.2.170.0070.00722.96
8.2.160.0080.00820.58
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00322.23
8.2.110.0100.00019.16
8.2.100.0100.01017.43
8.2.90.0030.00519.01
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00418.04
8.2.50.0080.00018.10
8.2.40.0040.00418.09
8.2.30.0030.00519.25
8.2.20.0000.00717.72
8.2.10.0000.00718.04
8.2.00.0000.00717.66
8.1.280.0150.00425.92
8.1.270.0080.00021.97
8.1.260.0030.00926.35
8.1.250.0020.00528.09
8.1.240.0030.00623.89
8.1.230.0110.00017.83
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.13
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.01118.50
8.1.160.0000.00822.00
8.1.150.0000.00718.80
8.1.140.0100.00017.39
8.1.130.0070.00017.81
8.1.120.0040.00417.46
8.1.110.0000.00717.46
8.1.100.0000.00717.46
8.1.90.0030.00317.35
8.1.80.0000.00717.41
8.1.70.0040.00417.40
8.1.60.0040.00417.61
8.1.50.0030.00717.39
8.1.40.0040.00417.52
8.1.30.0000.00917.61
8.1.20.0030.00617.65
8.1.10.0040.00417.51
8.1.00.0080.00017.41
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00518.38
8.0.270.0090.00017.12
8.0.260.0030.00317.20
8.0.250.0000.00717.01
8.0.240.0000.00716.98
8.0.230.0030.00316.97
8.0.220.0030.00316.92
8.0.210.0070.00016.90
8.0.200.0080.00016.87
8.0.190.0000.00716.95
8.0.180.0040.00416.91
8.0.170.0000.00816.92
8.0.160.0000.00816.71
8.0.150.0070.00016.84
8.0.140.0000.01116.80
8.0.130.0050.00013.26
8.0.120.0000.00716.89
8.0.110.0000.00716.71
8.0.100.0040.00416.75
8.0.90.0080.00016.75
8.0.80.0120.00316.86
8.0.70.0050.00216.68
8.0.60.0070.00016.91
8.0.50.0040.00416.75
8.0.30.0140.00817.04
8.0.20.0140.00717.44
8.0.10.0000.00716.78
8.0.00.0100.00816.65
7.4.330.0060.00015.13
7.4.320.0000.00616.64
7.4.300.0000.00716.61
7.4.290.0000.00716.48
7.4.280.0040.00816.45
7.4.270.0000.00716.59
7.4.260.0070.00016.49
7.4.250.0070.00016.46
7.4.240.0060.00116.53
7.4.230.0030.00316.38
7.4.220.0030.01616.59
7.4.210.0000.01416.59
7.4.200.0070.00016.38
7.4.160.0060.00916.35
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0130.00616.38
7.4.120.0100.00716.31
7.4.110.0070.01016.46
7.4.100.0100.00716.39
7.4.90.0040.01416.52
7.4.80.0100.00618.80
7.4.70.0140.00416.52
7.4.60.0000.01716.54
7.4.50.0060.00016.34
7.4.40.0070.01016.39
7.4.30.0100.00716.49
7.4.10.0040.01415.06
7.4.00.0060.00914.94
7.3.330.0030.00313.13
7.3.320.0000.00512.96
7.3.310.0070.00016.19
7.3.300.0040.00416.23
7.3.290.0030.01316.13
7.3.280.0110.00916.15
7.3.270.0160.00617.40
7.3.260.0140.00316.41
7.3.250.0100.00916.38
7.3.240.0100.00716.58
7.3.230.0030.01316.51
7.3.210.0090.00816.39
7.3.200.0080.00819.39
7.3.190.0110.00816.15
7.3.180.0240.02416.43
7.3.170.0090.00616.71
7.3.160.0150.00616.52
7.3.130.0100.00714.78
7.3.120.0070.01014.57
7.3.110.0030.01014.55
7.3.100.0040.00414.89
7.3.90.0070.00314.74
7.3.80.0060.00614.62
7.3.70.0000.01114.44
7.3.60.0080.00614.49
7.3.50.0120.00614.70
7.3.40.0060.00914.86
7.3.30.0070.01014.58
7.3.20.0070.00416.69
7.3.10.0080.00416.66
7.3.00.0110.00316.65
7.2.330.0150.00916.52
7.2.320.0100.00716.68
7.2.310.0090.00816.67
7.2.300.0070.01016.25
7.2.290.0120.00316.52
7.2.260.0070.01014.46
7.2.250.0070.01115.07
7.2.240.0040.01214.87
7.2.230.0150.00014.82
7.2.220.0060.00614.90
7.2.210.0070.00314.77
7.2.200.0060.01314.99
7.2.190.0110.00414.87
7.2.180.0040.00714.91
7.2.170.0040.00414.70
7.2.160.0090.00614.68
7.2.150.0090.00616.82
7.2.140.0120.00016.83
7.2.130.0040.01216.84
7.2.120.0030.01416.71
7.2.110.0090.00616.85
7.2.100.0060.00916.55
7.2.90.0000.01016.91
7.2.80.0070.01116.65
7.2.70.0070.00716.80
7.2.60.0100.00716.55
7.2.50.0120.00016.89
7.2.40.0100.00616.75
7.2.30.0030.00716.91
7.2.20.0060.00916.47
7.2.10.0000.01616.82
7.2.00.0030.01118.12
7.1.330.0030.00815.45
7.1.320.0080.00615.73
7.1.310.0000.01115.94
7.1.300.0120.00615.68
7.1.290.0000.01015.77
7.1.280.0040.00715.73
7.1.270.0030.01315.63
7.1.260.0060.00615.86
7.1.250.0030.00915.65
7.1.240.0100.00015.48
7.1.230.0110.00415.46
7.1.220.0040.01115.66
7.1.210.0030.01015.59
7.1.200.0100.00615.45
7.1.190.0040.00915.82
7.1.180.0120.00315.91
7.1.170.0030.00615.75
7.1.160.0040.01115.55
7.1.150.0030.00715.63
7.1.140.0090.00315.82
7.1.130.0060.00615.66
7.1.120.0070.00715.65
7.1.110.0030.01015.70
7.1.100.0060.00416.78
7.1.90.0000.01115.73
7.1.80.0030.01315.82
7.1.70.0020.00916.34
7.1.60.0080.00817.42
7.1.50.0040.00716.25
7.1.40.0030.00515.48
7.1.30.0000.00815.56
7.1.20.0080.00815.61
7.1.10.0060.01015.68
7.1.00.0060.03819.17
7.0.330.0030.01315.30
7.0.320.0060.00915.45
7.0.310.0040.01115.54
7.0.300.0070.00715.14
7.0.290.0080.00815.35
7.0.280.0040.00815.30
7.0.270.0030.01015.23
7.0.260.0100.00315.28
7.0.250.0000.01415.23
7.0.240.0080.00315.37
7.0.230.0060.00615.24
7.0.220.0070.00715.60
7.0.210.0060.00615.32
7.0.200.0030.00716.05
7.0.190.0100.00315.24
7.0.180.0040.01115.32
7.0.170.0040.00415.33
7.0.160.0030.01315.25
7.0.150.0090.00315.25
7.0.140.0030.04018.61
7.0.130.0100.00015.46
7.0.120.0000.01215.22
7.0.110.0070.00315.50
7.0.100.0040.00415.50
7.0.90.0040.00715.50
7.0.80.0060.01015.49
7.0.70.0040.00415.45
7.0.60.0070.03417.67
7.0.50.0030.04916.51
7.0.40.0090.04016.81
7.0.30.0200.03916.67
7.0.20.0180.04216.75
7.0.10.0120.02816.71
7.0.00.0090.04216.62
5.6.400.0060.00614.36
5.6.390.0150.00014.50
5.6.380.0060.00314.41
5.6.370.0070.01014.38
5.6.360.0030.01014.36
5.6.350.0040.00813.77
5.6.340.0040.01214.39
5.6.330.0000.01214.20
5.6.320.0040.01114.53
5.6.310.0090.00014.26
5.6.300.0060.00314.56
5.6.290.0080.00414.25
5.6.280.0060.03717.77
5.6.270.0080.00614.04
5.6.260.0030.01014.58
5.6.250.0060.00314.63
5.6.240.0030.00714.46
5.6.230.0040.01114.36
5.6.220.0110.00014.31
5.6.210.0060.04517.43
5.6.200.0070.02716.29
5.6.190.0020.02717.32
5.6.180.0260.03317.41
5.6.170.0130.02317.38
5.6.160.0030.03017.30
5.6.150.0030.03316.25
5.6.140.0020.03316.10
5.6.130.0050.05016.27
5.6.120.0060.02517.63
5.6.110.0070.02417.71
5.6.100.0060.04617.64
5.6.90.0020.03617.52
5.6.80.0030.02517.33
5.6.70.0030.01013.95
5.6.60.0000.01714.15
5.6.50.0070.00714.36
5.6.40.0030.00814.08
5.6.30.0000.01414.31
5.6.20.0040.00714.37
5.6.10.0040.01214.05
5.6.00.0030.00714.54
5.5.380.0110.00414.14
5.5.370.0000.00914.16
5.5.360.0070.00414.60
5.5.350.0080.04717.28
5.5.340.0050.03216.05
5.5.330.0070.02417.05
5.5.320.0130.02717.16
5.5.310.0200.02817.31
5.5.300.0040.02616.00
5.5.290.0070.04715.98
5.5.280.0040.04917.61
5.5.270.0050.04017.45
5.5.260.0120.03517.38
5.5.250.0120.02817.29
5.5.240.0110.04416.97
5.5.230.0090.00314.29
5.5.220.0060.00914.04
5.5.210.0030.01014.00
5.5.200.0060.00313.94
5.5.190.0060.00614.00
5.5.180.0090.00313.98
5.5.170.0030.00714.23
5.5.160.0070.01013.80
5.5.150.0060.00913.93
5.5.140.0030.01514.29
5.5.130.0070.01113.98
5.5.120.0090.00314.15
5.5.110.0100.00314.20
5.5.100.0000.01413.96
5.5.90.0030.01013.99
5.5.80.0040.00714.07
5.5.70.0060.00614.01
5.5.60.0100.00714.17
5.5.50.0080.00813.99
5.5.40.0070.00714.24
5.5.30.0060.00914.14
5.5.20.0080.00413.98
5.5.10.0000.01414.14
5.5.00.0100.00614.25
5.4.450.0500.02315.15
5.4.440.0130.02715.29
5.4.430.0110.02814.98
5.4.420.0380.00015.11
5.4.410.0330.00514.90
5.4.400.0320.00314.87
5.4.390.0420.00114.94
5.4.380.0150.03014.83
5.4.370.0240.03214.86
5.4.360.0150.03014.72
5.4.350.0170.03414.60
5.4.340.0200.03214.67
5.4.330.0050.00210.73
5.4.320.0040.02711.59
5.4.310.0060.02211.59
5.4.300.0050.02311.65
5.4.290.0030.02411.59
5.4.280.0040.02111.63
5.4.270.0050.02011.54
5.4.260.0070.02211.63
5.4.250.0020.02611.68
5.4.240.0040.02411.54
5.4.230.0060.02111.54
5.4.220.0040.02111.64
5.4.210.0050.02011.55
5.4.200.0040.02311.66
5.4.190.0060.01911.54
5.4.180.0040.02311.64
5.4.170.0100.01911.54
5.4.160.0040.02611.58
5.4.150.0050.02011.53
5.4.140.0080.02011.37
5.4.130.0070.01911.37
5.4.120.0060.02011.35
5.4.110.0030.02411.37
5.4.100.0060.01911.38
5.4.90.0060.01911.43
5.4.80.0060.02411.37
5.4.70.0030.02111.34
5.4.60.0040.01811.49
5.4.50.0040.02911.40
5.4.40.0080.01911.46
5.4.30.0070.02011.46
5.4.20.0070.01711.38
5.4.10.0040.01911.33
5.4.00.0060.02011.20
5.3.290.0070.03912.80
5.3.280.0040.04212.71
5.3.270.0090.03712.72
5.3.260.0050.03912.72
5.3.250.0080.03612.72
5.3.240.0080.04012.72
5.3.230.0060.03812.71
5.3.220.0060.03812.68
5.3.210.0080.03812.68
5.3.200.0060.04012.68
5.3.190.0090.03712.68
5.3.180.0070.04312.67
5.3.170.0080.03812.67
5.3.160.0100.03712.67
5.3.150.0040.04112.67
5.3.140.0070.03812.66
5.3.130.0030.04112.66
5.3.120.0050.03912.66
5.3.110.0090.04712.66
5.3.100.0070.03712.12
5.3.90.0050.03812.08
5.3.80.0060.03512.07
5.3.70.0070.03312.08
5.3.60.0060.03912.06
5.3.50.0060.04012.00
5.3.40.0070.03912.00
5.3.30.0060.03611.94
5.3.20.0100.03511.72
5.3.10.0090.03111.69
5.3.00.0070.03911.68
5.2.170.0090.0329.18
5.2.160.0050.0319.18
5.2.150.0020.0349.18
5.2.140.0050.0319.18
5.2.130.0070.0279.14
5.2.120.0070.0279.14
5.2.110.0050.0309.14
5.2.100.0060.0269.14
5.2.90.0050.0289.14
5.2.80.0010.0339.13
5.2.70.0040.0319.14
5.2.60.0060.0319.08
5.2.50.0050.0319.05
5.2.40.0050.0349.03
5.2.30.0050.0309.01
5.2.20.0030.0318.99
5.2.10.0060.0348.92
5.2.00.0070.0268.78
5.1.60.0030.0258.06
5.1.50.0010.0338.05
5.1.40.0030.0268.04
5.1.30.0060.0248.39
5.1.20.0030.0338.41
5.1.10.0030.0348.14
5.1.00.0030.0278.13
5.0.50.0040.0286.61
5.0.40.0030.0206.47
5.0.30.0020.0326.29
5.0.20.0070.0166.26
5.0.10.0030.0226.23
5.0.00.0030.0306.23
4.4.90.0050.0134.78
4.4.80.0040.0144.76
4.4.70.0020.0214.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0224.76
4.4.20.0030.0164.84
4.4.10.0020.0174.85
4.4.00.0000.0334.76
4.3.110.0030.0154.67
4.3.100.0010.0234.67
4.3.90.0040.0194.63
4.3.80.0030.0284.58
4.3.70.0050.0184.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0020.0163.28
4.3.20.0010.0173.26
4.3.10.0010.0173.22
4.3.00.0100.01316.39

preferences:
43.82 ms | 401 KiB | 5 Q