3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a; print_r(is_null($a));

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)
8.3.40.0150.00618.44
8.3.30.0140.00318.82
8.3.20.0040.00420.16
8.3.10.0070.00022.14
8.3.00.0040.00422.44
8.2.170.0070.00718.66
8.2.160.0070.00722.96
8.2.150.0060.00325.66
8.2.140.0080.00024.66
8.2.130.0100.00326.16
8.2.120.0000.00819.26
8.2.110.0080.00022.11
8.2.100.0090.00319.29
8.2.90.0020.00519.09
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0000.00718.06
8.2.30.0040.00417.80
8.2.20.0070.00017.45
8.2.10.0040.00417.61
8.2.00.0020.00517.59
8.1.270.0040.00420.43
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0050.00523.88
8.1.230.0000.01119.08
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0100.00017.11
8.1.190.0040.00417.38
8.1.180.0040.00420.35
8.1.170.0040.00418.49
8.1.160.0050.00322.16
8.1.150.0000.00718.41
8.1.140.0030.00517.38
8.1.130.0000.00817.78
8.1.120.0080.00017.29
8.1.110.0000.00717.28
8.1.100.0030.00517.21
8.1.90.0000.00717.34
8.1.80.0000.00717.33
8.1.70.0070.00017.21
8.1.60.0000.00717.39
8.1.50.0050.00217.33
8.1.40.0040.00417.33
8.1.30.0080.00017.34
8.1.20.0000.00917.58
8.1.10.0000.00717.36
8.1.00.0000.00717.32
8.0.300.0000.00718.77
8.0.290.0000.00817.05
8.0.280.0000.00718.21
8.0.270.0040.00417.18
8.0.260.0080.00016.75
8.0.250.0000.00716.92
8.0.240.0000.00716.81
8.0.230.0030.00316.88
8.0.220.0030.00316.82
8.0.210.0030.00316.88
8.0.200.0050.00216.85
8.0.190.0040.00416.79
8.0.180.0040.00416.76
8.0.170.0000.00816.74
8.0.160.0040.00416.79
8.0.150.0000.00816.75
8.0.140.0040.00416.83
8.0.130.0030.00313.23
8.0.120.0050.00316.82
8.0.110.0040.00416.74
8.0.100.0000.00816.76
8.0.90.0000.00716.88
8.0.80.0110.00416.80
8.0.70.0000.00716.70
8.0.60.0000.00716.77
8.0.50.0050.00216.68
8.0.30.0100.00816.96
8.0.20.0170.00517.40
8.0.10.0070.00017.00
8.0.00.0090.00816.68
7.4.330.0060.00015.00
7.4.320.0000.00616.40
7.4.300.0000.00616.36
7.4.290.0050.00316.37
7.4.280.0040.00416.39
7.4.270.0030.00316.46
7.4.260.0030.00316.45
7.4.250.0000.00816.32
7.4.240.0040.00416.43
7.4.230.0040.00416.27
7.4.220.0110.00616.27
7.4.210.0040.01516.38
7.4.200.0030.00516.49
7.4.190.0040.00416.55
7.4.160.0100.00616.42
7.4.150.0030.01417.40
7.4.140.0060.01417.86
7.4.130.0030.01616.42
7.4.120.0100.01016.29
7.4.110.0100.00616.30
7.4.100.0090.00916.29
7.4.90.0070.01016.28
7.4.80.0080.01219.39
7.4.70.0100.00716.27
7.4.60.0100.00716.48
7.4.50.0040.00416.14
7.4.40.0070.01022.77
7.4.30.0080.00816.51
7.4.00.0090.00714.84
7.3.330.0050.00013.06
7.3.320.0050.00013.03
7.3.310.0000.00716.05
7.3.300.0060.00016.21
7.3.290.0040.01516.15
7.3.280.0110.00716.18
7.3.270.0070.01017.40
7.3.260.0100.00616.17
7.3.250.0130.00516.16
7.3.240.0150.00316.43
7.3.230.0180.00316.39
7.3.210.0120.00416.43
7.3.200.0160.00316.37
7.3.190.0100.01316.25
7.3.180.0060.01016.27
7.3.170.0030.01316.29
7.3.160.0110.00516.14
7.3.120.0050.01014.65
7.3.110.0130.00614.56
7.3.100.0040.00814.59
7.3.90.0040.00814.61
7.3.80.0060.00614.73
7.3.70.0030.01014.73
7.3.60.0090.00614.71
7.3.50.0090.00014.76
7.3.40.0040.00714.47
7.3.30.0060.00614.71
7.3.20.0070.00716.57
7.3.10.0060.00916.36
7.3.00.0090.00616.52
7.2.330.0160.00016.41
7.2.320.0090.00916.42
7.2.310.0120.01216.41
7.2.300.0100.00616.62
7.2.290.0030.01316.32
7.2.250.0040.01514.97
7.2.240.0000.02114.70
7.2.230.0030.01615.10
7.2.220.0040.01214.57
7.2.210.0000.01414.92
7.2.200.0060.00914.71
7.2.190.0070.01014.75
7.2.180.0070.00714.67
7.2.170.0090.00014.73
7.2.00.0000.01219.25
7.1.330.0090.00615.59
7.1.320.0030.00915.80
7.1.310.0080.00315.80
7.1.300.0100.00615.49
7.1.290.0030.00715.56
7.1.280.0060.00915.55
7.1.270.0080.00815.55
7.1.260.0060.00615.72
7.1.100.0040.01118.25
7.1.70.0030.00717.10
7.1.60.0040.00817.09
7.1.50.0040.01816.55
7.1.00.0030.04722.33
7.0.200.0030.01416.76
7.0.140.0030.07022.12
7.0.60.0000.04319.92
7.0.50.0030.04717.66
7.0.40.0100.03720.24
7.0.30.0200.04720.16
7.0.20.0400.06320.31
7.0.10.0000.04720.00
7.0.00.0030.08720.18
5.6.280.0030.09321.06
5.6.210.0030.04720.50
5.6.200.0130.06318.16
5.6.190.0000.09320.43
5.6.180.0230.08720.40
5.6.170.0200.06020.38
5.6.160.0070.08320.48
5.6.150.0070.05318.14
5.6.140.0100.07318.16
5.6.130.0030.08018.16
5.6.120.0000.05720.99
5.6.110.0100.08020.97
5.6.100.0130.07021.10
5.6.90.0170.07721.01
5.6.80.0130.06720.40
5.6.70.3270.03320.49
5.5.350.0100.07320.45
5.5.340.0030.04318.01
5.5.330.0070.08020.14
5.5.320.0300.07020.29
5.5.310.0370.07320.21
5.5.300.0000.05317.95
5.5.290.0100.08017.89
5.5.280.0100.07720.64
5.5.270.0070.05320.94
5.5.260.0130.07320.75
5.5.250.0100.07320.57
5.5.240.0000.07720.15
5.4.450.0200.03319.49
5.4.440.0200.03719.41
5.4.430.0130.04319.45
5.4.420.0130.07319.21
5.4.410.0330.03319.27
5.4.400.0200.08318.92
5.4.390.0230.04018.80
5.4.380.0330.05719.08
5.4.370.0370.04318.83
5.4.360.0330.07719.25
5.4.350.0270.05019.25
5.4.340.0270.06018.93
5.4.320.0470.04018.79
5.4.310.0300.06718.92
5.4.300.0230.04319.15
5.4.290.0270.07319.07
5.4.280.0270.06719.07
5.4.270.0300.05318.79
5.4.260.0270.07319.16
5.4.250.0370.07019.16
5.4.240.0300.05718.79
5.4.230.0230.04319.08
5.4.220.0200.05719.08
5.4.210.0330.05719.24
5.4.200.0200.04019.22
5.4.190.0300.06719.07
5.4.180.0270.06018.80
5.4.170.0300.04019.09
5.4.160.0300.07019.15
5.4.150.0300.08319.04
5.4.140.0270.06316.54
5.4.130.0200.04716.26
5.4.120.0300.06316.26
5.4.110.0300.06716.50
5.4.100.0270.06016.34
5.4.90.0300.03316.54
5.4.80.0270.03716.04
5.4.70.0200.04316.39
5.4.60.0330.05016.36
5.4.50.0200.06316.19
5.4.40.0270.04316.36
5.4.30.0230.06716.19
5.4.20.0200.03716.26
5.4.10.0130.05016.20
5.4.00.0200.06315.70
5.3.290.0370.06314.50
5.3.280.0230.04014.64
5.3.270.0330.07014.54
5.3.260.0370.06714.43
5.3.250.0330.06314.45
5.3.240.0300.06314.44
5.3.230.0230.03714.54
5.3.220.0300.06314.44
5.3.210.0330.06714.40
5.3.200.0300.06314.41
5.3.190.0270.05314.41
5.3.180.0270.07014.50
5.3.170.0230.07314.51
5.3.160.0400.07014.54
5.3.150.0230.05314.55
5.3.140.0330.05314.50
5.3.130.0270.07314.45
5.3.120.0300.05314.59
5.3.110.0270.06314.39
5.3.100.0270.04313.89
5.3.90.0270.06314.11
5.3.80.0330.07013.84
5.3.70.0200.04313.79
5.3.60.0270.04014.04
5.3.50.0200.04313.84
5.3.40.0270.06014.03
5.3.30.0200.08013.93
5.3.20.0270.05313.62
5.3.10.0230.06313.70
5.3.00.0300.06013.56
5.2.170.0170.04012.18
5.2.160.0230.04712.18
5.2.150.0270.05712.18
5.2.140.0270.06012.18
5.2.130.0270.05312.18
5.2.120.0230.04712.18
5.2.110.0200.03312.18
5.2.100.0230.04712.18
5.2.90.0200.02712.18
5.2.80.0230.03012.18
5.2.70.0230.03312.18
5.2.60.0230.04712.18
5.2.50.0230.04312.18
5.2.40.0200.04012.18
5.2.30.0230.03712.18
5.2.20.0200.02712.18
5.2.10.0200.02712.18
5.2.00.0200.05712.18
5.1.60.0200.03012.18
5.1.50.0170.03312.18
5.1.40.0170.05312.18
5.1.30.0270.05012.18
5.1.20.0170.03712.18
5.1.10.0230.03712.18
5.1.00.0170.05012.18
5.0.50.0130.04312.18
5.0.40.0070.03712.18
5.0.30.0170.05012.18
5.0.20.0030.03312.18
5.0.10.0070.02712.18
5.0.00.0130.05712.18
4.4.90.0100.01312.18
4.4.80.0100.03012.18
4.4.70.0100.03712.18
4.4.60.0100.02012.18
4.4.50.0070.02012.18
4.4.40.0100.05012.18
4.4.30.0100.03312.18
4.4.20.0130.03012.18
4.4.10.0100.01712.18
4.4.00.0070.04012.18
4.3.110.0130.03312.18
4.3.100.0230.02712.18
4.3.90.0100.03312.18
4.3.80.0070.03712.18
4.3.70.0130.01312.18
4.3.60.0130.01312.18
4.3.50.0130.01312.18
4.3.40.0170.02312.18
4.3.30.0070.03012.18
4.3.20.0030.03312.18
4.3.10.0070.03312.18
4.3.00.0100.02312.18

preferences:
40.44 ms | 400 KiB | 5 Q