3v4l.org

run code in 300+ PHP versions simultaneously
<?php function testNull($yourVar) {} $myVar = null; testNull($myVar);

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)
8.3.40.0100.00518.38
8.3.30.0110.00418.46
8.3.20.0000.00720.20
8.3.10.0070.00323.66
8.3.00.0040.00422.09
8.2.170.0100.00522.96
8.2.160.0040.01118.88
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0030.00719.39
8.2.120.0040.00426.35
8.2.110.0030.00622.25
8.2.100.0000.01217.78
8.2.90.0080.00017.84
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0080.00018.10
8.2.40.0000.00720.64
8.2.30.0070.00020.89
8.2.20.0040.00718.12
8.2.10.0000.00718.05
8.2.00.0000.00718.04
8.1.270.0000.00822.14
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0100.01022.13
8.1.230.0040.00720.84
8.1.220.0030.00617.74
8.1.210.0040.00418.90
8.1.200.0090.00017.36
8.1.190.0040.00417.23
8.1.180.0070.00018.10
8.1.170.0000.00718.88
8.1.160.0070.00019.09
8.1.150.0030.00520.67
8.1.140.0000.00719.46
8.1.130.0030.00318.82
8.1.120.0030.00517.35
8.1.110.0000.00717.28
8.1.100.0070.00017.29
8.1.90.0030.00517.35
8.1.80.0030.00317.45
8.1.70.0000.00717.28
8.1.60.0040.00817.47
8.1.50.0040.00417.52
8.1.40.0030.00517.57
8.1.30.0040.00417.47
8.1.20.0000.00717.57
8.1.10.0000.00817.38
8.1.00.0080.00017.44
8.0.300.0080.00019.97
8.0.290.0040.00416.75
8.0.280.0000.00718.28
8.0.270.0030.00317.11
8.0.260.0080.00016.66
8.0.250.0000.00716.77
8.0.240.0040.00416.87
8.0.230.0040.00416.88
8.0.220.0030.00316.73
8.0.210.0040.00416.70
8.0.200.0000.00616.85
8.0.190.0040.00416.92
8.0.180.0040.00416.91
8.0.170.0030.00316.83
8.0.160.0000.00716.80
8.0.150.0000.00716.70
8.0.140.0020.00516.77
8.0.130.0000.00613.22
8.0.120.0040.00416.74
8.0.110.0000.00716.70
8.0.100.0080.00016.85
8.0.90.0000.00716.68
8.0.80.0110.01116.79
8.0.70.0050.00316.74
8.0.60.0050.00216.93
8.0.50.0000.00716.77
8.0.30.0100.00816.96
8.0.20.0130.01017.40
8.0.10.0000.00716.92
8.0.00.0110.00716.51
7.4.330.0030.00315.55
7.4.320.0000.00716.42
7.4.300.0060.00016.54
7.4.290.0040.00416.57
7.4.280.0040.00416.58
7.4.270.0000.00716.64
7.4.260.0030.00316.53
7.4.250.0030.00516.53
7.4.240.0040.00316.48
7.4.230.0030.00316.55
7.4.220.0030.02316.63
7.4.210.0070.01016.62
7.4.200.0000.00716.54
7.4.160.0100.00516.42
7.4.150.0040.01217.40
7.4.140.0120.00817.86
7.4.130.0180.00616.48
7.4.120.0120.00816.50
7.4.110.0160.00916.42
7.4.100.0100.00716.37
7.4.90.0060.01316.28
7.4.80.0100.00619.39
7.4.70.0090.00916.55
7.4.60.0100.00716.38
7.4.50.0100.00616.12
7.4.40.0090.00616.32
7.4.30.0090.00616.48
7.4.10.0070.01014.98
7.4.00.0090.00714.87
7.3.330.0020.00213.22
7.3.320.0000.00513.21
7.3.310.0040.00416.29
7.3.300.0030.00316.10
7.3.290.0040.00816.22
7.3.280.0070.01116.23
7.3.270.0140.00317.40
7.3.260.0090.01216.36
7.3.250.0070.01216.17
7.3.240.0060.01116.24
7.3.230.0080.00916.16
7.3.210.0100.00716.60
7.3.200.0100.00716.36
7.3.190.0070.01016.52
7.3.180.0060.01116.11
7.3.170.0050.01416.41
7.3.160.0140.00316.38
7.3.130.0090.00914.77
7.3.120.0070.01114.78
7.3.110.0100.01014.96
7.3.100.0070.00714.71
7.3.90.0040.01114.98
7.3.80.0060.00614.87
7.3.70.0040.01114.66
7.3.60.0080.00414.57
7.3.50.0030.01314.39
7.3.40.0070.00714.65
7.3.30.0060.00314.84
7.3.20.0110.00416.63
7.3.10.0110.00416.61
7.3.00.0000.01216.44
7.2.330.0100.01016.42
7.2.320.0030.01416.63
7.2.310.0130.00916.27
7.2.300.0090.00916.60
7.2.290.0120.00916.33
7.2.260.0090.00914.86
7.2.250.0030.01414.68
7.2.240.0030.01314.71
7.2.230.0070.00714.67
7.2.220.0060.01014.75
7.2.210.0070.00714.58
7.2.200.0130.00314.75
7.2.190.0030.00714.93
7.2.180.0080.00514.89
7.2.170.0030.01014.66
7.2.160.0000.00914.77
7.2.150.0060.00316.62
7.2.140.0100.00016.80
7.2.130.0090.00616.81
7.2.120.0040.01116.85
7.2.110.0080.00416.68
7.2.100.0100.00016.71
7.2.90.0030.00716.72
7.2.80.0040.00716.76
7.2.70.0060.01216.95
7.2.60.0020.01316.79
7.2.50.0030.00716.87
7.2.40.0000.01516.90
7.2.30.0120.00316.87
7.2.20.0060.00316.76
7.2.10.0080.00416.82
7.2.00.0050.00818.13
7.1.330.0060.00915.29
7.1.320.0070.00715.63
7.1.310.0100.00015.71
7.1.300.0060.00315.59
7.1.290.0070.01015.80
7.1.280.0050.00515.86
7.1.270.0040.01115.65
7.1.260.0040.00415.62
7.1.250.0060.00915.59
7.1.240.0000.01315.53
7.1.230.0000.01215.73
7.1.220.0040.01115.45
7.1.210.0030.01015.79
7.1.200.0040.00915.62
7.1.190.0030.00715.50
7.1.180.0030.00615.81
7.1.170.0040.00715.64
7.1.160.0100.00715.82
7.1.150.0080.00415.52
7.1.140.0050.00515.77
7.1.130.0000.01215.48
7.1.120.0050.00515.42
7.1.110.0090.00615.78
7.1.100.0050.00516.69
7.1.90.0150.00015.72
7.1.80.0070.01015.75
7.1.70.0120.00516.41
7.1.60.0130.01125.27
7.1.50.0160.01025.17
7.1.40.0140.00825.12
7.1.30.0170.01425.02
7.1.20.0170.00825.04
7.1.10.0080.00716.07
7.1.00.0080.00616.10
7.0.330.0140.00315.34
7.0.320.0030.00615.20
7.0.310.0030.01015.24
7.0.300.0070.00415.06
7.0.290.0030.00615.31
7.0.280.0040.01115.30
7.0.270.0100.00715.39
7.0.260.0060.00615.06
7.0.250.0050.00815.27
7.0.240.0040.00715.18
7.0.230.0080.00815.05
7.0.220.0090.00615.35
7.0.210.0030.00615.29
7.0.200.0050.01116.07
7.0.190.0090.00815.80
7.0.180.0070.01015.71
7.0.170.0080.00915.64
7.0.160.0060.00615.64
7.0.150.0060.00815.77
7.0.140.0090.00715.83
7.0.130.0010.01215.93
7.0.120.0040.01115.84
7.0.110.0060.01215.81
7.0.100.0240.00815.71
7.0.90.0110.00515.63
7.0.80.0040.01215.77
7.0.70.0060.00815.62
7.0.60.0050.01015.64
7.0.50.0050.00815.82
7.0.40.0070.00714.91
7.0.30.0090.00614.82
7.0.20.0070.00414.65
7.0.10.0050.01014.92
7.0.00.0050.01014.69
5.6.400.0030.01014.17
5.6.390.0070.01013.89
5.6.380.0000.01314.05
5.6.370.0060.00614.15
5.6.360.0040.00714.30
5.6.350.0090.00613.92
5.6.340.0030.01214.11
5.6.330.0050.00514.33
5.6.320.0030.00714.28
5.6.310.0000.00914.02
5.6.300.0090.03617.38
5.6.290.0080.03417.64
5.6.280.0030.04417.44
5.6.270.0090.03717.59
5.6.260.0120.04017.54
5.6.250.0070.04017.41
5.6.240.0100.04417.38
5.6.230.0110.04717.45
5.6.220.0120.04217.28
5.6.210.0140.04117.55
5.6.200.0080.03417.45
5.6.190.0100.03017.39
5.6.180.0130.02817.58
5.6.170.0000.03717.42
5.6.160.0050.03117.56
5.6.150.0100.03017.57
5.6.140.0080.03217.46
5.6.130.0110.02817.59
5.6.120.0110.04617.57
5.6.110.0120.03417.38
5.6.100.0050.03817.31
5.6.90.0080.03317.45
5.6.80.0080.04317.13
5.6.70.0110.04017.19
5.6.60.0100.03617.24
5.6.50.0100.03317.25
5.6.40.0060.03117.21
5.6.30.0080.03117.01
5.6.20.0090.02917.15
5.6.10.0150.03617.18
5.6.00.0080.03817.35
5.5.380.0280.05917.41
5.5.370.0190.07417.46
5.5.360.0190.06917.50
5.5.350.0070.05917.45
5.5.340.0170.05218.03
5.5.330.0070.05917.97
5.5.320.0170.06317.75
5.5.310.0160.04818.06
5.5.300.0030.06418.13
5.5.290.0060.07017.72
5.5.280.0140.07818.04
5.5.270.0150.07517.77
5.5.260.0100.06618.02
5.5.250.0070.06417.89
5.5.240.0130.06717.08
5.5.230.0090.07517.32
5.5.220.0100.07517.46
5.5.210.0060.07717.18
5.5.200.0130.04917.39
5.5.190.0030.06217.37
5.5.180.0130.05917.35
5.5.160.0100.06317.32
5.5.150.0110.05817.09
5.5.140.0160.04517.39
5.5.130.0100.07117.09
5.5.120.0100.05617.38
5.5.110.0130.06917.14
5.5.100.0100.05717.05
5.5.90.0070.05317.29
5.5.80.0130.04617.05
5.5.70.0060.05817.27
5.5.60.0060.08117.21
5.5.50.0120.05117.37
5.5.40.0130.04617.24
5.5.30.0130.05717.26
5.5.20.0070.07917.36
5.5.10.0070.06217.25
5.5.00.0130.04717.27
5.4.450.0150.05419.33
5.4.440.0130.07619.25
5.4.430.0060.06119.33
5.4.420.0130.05519.18
5.4.410.0160.07019.15
5.4.400.0100.06318.96
5.4.390.0030.07719.23
5.4.380.0100.07318.96
5.4.370.0100.05219.06
5.4.360.0120.05518.87
5.4.350.0130.05819.03
5.4.340.0100.07519.00
5.4.320.0130.06919.24
5.4.310.0060.05418.99
5.4.300.0100.05118.88
5.4.290.0100.05719.24
5.4.280.0100.05519.12
5.4.270.0160.05819.15
5.4.260.0100.06018.86
5.4.250.0070.05418.97
5.4.240.0070.06018.97
5.4.230.0100.04919.02
5.4.220.0090.05918.98
5.4.210.0130.05419.02
5.4.200.0130.06619.10
5.4.190.0070.07819.00
5.4.180.0130.05618.93
5.4.170.0070.06118.94
5.4.160.0130.04719.09
5.4.150.0100.05319.21
5.4.140.0030.05416.61
5.4.130.0130.04116.50
5.4.120.0130.06016.72
5.4.110.0060.05516.43
5.4.100.0140.04216.74
5.4.90.0030.05116.63
5.4.80.0060.05716.36
5.4.70.0100.04516.52
5.4.60.0030.05116.61
5.4.50.0130.05216.66
5.4.40.0090.05216.55
5.4.30.0070.06816.65
5.4.20.0120.05116.54
5.4.10.0100.04916.67
5.4.00.0030.05215.88
5.3.290.0000.07514.92
5.3.280.0060.07114.81
5.3.270.0030.06014.48
5.3.260.0100.05214.79
5.3.250.0130.04914.91
5.3.240.0140.04214.65
5.3.230.0100.04814.47
5.3.220.0070.05714.75
5.3.210.0060.05314.78
5.3.200.0030.06714.78
5.3.190.0130.04414.85
5.3.180.0030.05214.87
5.3.170.0070.04914.74
5.3.160.0030.05414.86
5.3.150.0070.07014.73
5.3.140.0000.06214.74
5.3.130.0070.07214.59
5.3.120.0100.05214.59
5.3.110.0100.05414.60
5.3.100.0030.05114.09
5.3.90.0060.04814.20
5.3.80.0070.04614.20
5.3.70.0200.05714.23
5.3.60.0030.05114.01
5.3.50.0070.04714.22
5.3.40.0100.05014.24
5.3.30.0060.04514.08
5.3.20.0100.04413.86
5.3.10.0100.04913.86
5.3.00.0100.06213.75
5.2.170.0040.04311.33
5.2.160.0030.04211.43
5.2.150.0130.04211.17
5.2.140.0030.04311.31
5.2.130.0100.03411.27
5.2.120.0100.03411.40
5.2.110.0070.03711.14
5.2.100.0070.05211.26
5.2.90.0130.05111.29
5.2.80.0120.04510.96
5.2.70.0030.04711.36
5.2.60.0030.04911.23
5.2.50.0060.03911.02
5.2.40.0030.05311.19
5.2.30.0070.04911.14
5.2.20.0090.03711.13
5.2.10.0100.04411.03
5.2.00.0090.03910.71
5.1.60.0120.03310.20
5.1.50.0070.03410.29
5.1.40.0120.0449.96
5.1.30.0160.03610.51
5.1.20.0060.04610.40
5.1.10.0030.04310.27
5.1.00.0060.05110.16
5.0.50.0060.0288.63
5.0.40.0030.0288.40
5.0.30.0070.0438.21
5.0.20.0030.0298.34
5.0.10.0030.0408.45
5.0.00.0160.0428.20
4.4.90.0060.0196.49
4.4.80.0030.0226.49
4.4.70.0030.0306.49
4.4.60.0060.0196.49
4.4.50.0030.0226.49
4.4.40.0030.0356.49
4.4.30.0060.0226.49
4.4.20.0030.0256.49
4.4.10.0060.0216.49
4.4.00.0030.0366.49
4.3.110.0000.0336.49
4.3.100.0000.0256.49
4.3.90.0090.0186.49
4.3.80.0030.0356.49
4.3.70.0060.0216.49
4.3.60.0090.0176.49
4.3.50.0030.0256.49
4.3.40.0030.0406.49
4.3.30.0030.0276.49
4.3.20.0070.0266.49
4.3.10.0060.0266.49
4.3.00.0040.0266.49

preferences:
35.37 ms | 400 KiB | 5 Q