3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 0; var_dump(null === $v && is_null($v));

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)
8.3.60.0080.00818.43
8.3.50.0150.00918.09
8.3.40.0180.00418.76
8.3.30.0100.00318.37
8.3.20.0080.00020.21
8.3.10.0050.00220.90
8.3.00.0000.00819.11
8.2.180.0140.00316.50
8.2.170.0070.00722.96
8.2.160.0100.00319.33
8.2.150.0100.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00419.81
8.2.120.0050.00226.35
8.2.110.0030.00722.25
8.2.100.0080.00317.84
8.2.90.0050.00319.09
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00818.05
8.2.50.0030.00618.10
8.2.40.0050.00322.37
8.2.30.0000.00719.25
8.2.20.0050.00217.99
8.2.10.0040.00418.00
8.2.00.0070.00018.06
8.1.280.0110.00425.92
8.1.270.0000.00823.96
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0090.00022.18
8.1.230.0040.00719.15
8.1.220.0030.00517.79
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.25
8.1.180.0060.00318.10
8.1.170.0030.00618.51
8.1.160.0050.00319.04
8.1.150.0030.00518.87
8.1.140.0000.00719.64
8.1.130.0000.00718.88
8.1.120.0000.00717.52
8.1.110.0040.00417.52
8.1.100.0040.00417.43
8.1.90.0000.00817.50
8.1.80.0070.00017.44
8.1.70.0000.00717.49
8.1.60.0050.00317.59
8.1.50.0040.00417.43
8.1.40.0000.00817.50
8.1.30.0050.00317.66
8.1.20.0050.00217.68
8.1.10.0050.00317.46
8.1.00.0050.00317.27
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0000.00618.45
8.0.270.0030.00317.31
8.0.260.0030.00320.57
8.0.250.0070.00016.91
8.0.240.0000.00716.99
8.0.230.0030.00316.84
8.0.220.0070.00016.91
8.0.210.0080.00016.91
8.0.200.0060.00016.93
8.0.190.0000.00816.94
8.0.180.0040.00416.87
8.0.170.0030.00316.99
8.0.160.0090.00016.78
8.0.150.0000.00716.72
8.0.140.0030.00316.91
8.0.130.0060.00013.31
8.0.120.0000.00816.75
8.0.110.0000.00816.93
8.0.100.0050.00216.83
8.0.90.0040.00416.91
8.0.80.0070.01316.83
8.0.70.0050.00216.76
8.0.60.0030.00516.76
8.0.50.0040.00416.90
8.0.30.0130.00717.12
8.0.20.0110.00817.40
8.0.10.0000.00717.05
8.0.00.0070.01016.55
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0030.00316.59
7.4.290.0030.00316.59
7.4.280.0000.00716.64
7.4.270.0000.00716.55
7.4.260.0000.00716.53
7.4.250.0040.00416.37
7.4.240.0000.00716.58
7.4.230.0030.00316.49
7.4.220.0100.00916.43
7.4.210.0120.00516.61
7.4.200.0000.00716.58
7.4.160.0050.01116.60
7.4.150.0120.00417.40
7.4.140.0070.01517.86
7.4.130.0110.00716.50
7.4.120.0100.01116.42
7.4.110.0130.00716.56
7.4.100.0120.00916.59
7.4.90.0080.00816.50
7.4.80.0040.01319.39
7.4.70.0090.00616.54
7.4.60.0100.00716.59
7.4.50.0110.00416.20
7.4.40.0200.00316.52
7.4.30.0090.00616.31
7.4.00.0100.00714.95
7.3.330.0060.00312.99
7.3.320.0000.00513.12
7.3.310.0050.00216.34
7.3.300.0030.00316.30
7.3.290.0000.00716.26
7.3.280.0080.00816.21
7.3.270.0130.01017.40
7.3.260.0100.00916.39
7.3.250.0150.00516.32
7.3.240.0080.01016.34
7.3.230.0130.00316.24
7.3.210.0100.00716.30
7.3.200.0130.00316.16
7.3.190.0170.00316.43
7.3.180.0100.00616.26
7.3.170.0110.00716.38
7.3.160.0040.01116.50
7.3.120.0080.00814.77
7.3.110.0030.01014.67
7.3.100.0100.00314.64
7.3.90.0120.00014.82
7.3.80.0070.00314.63
7.3.70.0060.00914.77
7.3.60.0030.00514.69
7.3.50.0060.00614.93
7.3.40.0030.00814.79
7.3.30.0000.01514.62
7.3.20.0060.00916.75
7.3.10.0070.01116.35
7.3.00.0060.01016.61
7.2.330.0060.01116.71
7.2.320.0190.00416.28
7.2.310.0100.00616.64
7.2.300.0080.00816.49
7.2.290.0160.00016.43
7.2.240.0030.00914.79
7.2.230.0060.00915.00
7.2.220.0040.01115.12
7.2.210.0040.01114.91
7.2.200.0040.00714.84
7.2.190.0030.01114.76
7.2.180.0030.00614.60
7.2.170.0040.01214.84
7.2.160.0070.00414.68
7.2.150.0060.00616.72
7.2.140.0100.00716.60
7.2.130.0030.00716.67
7.2.120.0070.00716.74
7.2.110.0000.01416.73
7.2.100.0110.00316.86
7.2.90.0140.00416.76
7.2.80.0070.00716.57
7.2.70.0090.00616.78
7.2.60.0070.00916.80
7.2.50.0090.00916.82
7.2.40.0050.00516.80
7.2.30.0030.01317.07
7.2.20.0110.00316.46
7.2.10.0000.01216.97
7.2.00.0110.00716.73
7.1.330.0030.00715.39
7.1.320.0030.01015.95
7.1.310.0070.00315.80
7.1.300.0090.00615.78
7.1.290.0000.01215.77
7.1.280.0100.00615.64
7.1.270.0060.00915.75
7.1.260.0110.00415.41
7.1.250.0070.00415.93
7.1.200.0000.01115.63
7.1.70.1630.00715.22
7.1.60.1560.01033.13
7.1.50.1420.01032.85
7.1.40.1120.00732.39
7.1.30.1280.01332.27
7.1.20.1150.00732.64
7.1.10.1300.00714.88
7.1.00.1010.01315.05
7.0.200.1360.01314.82
7.0.190.1220.01014.67
7.0.180.0990.01014.30
7.0.170.1600.00314.39
7.0.160.1200.01014.39
7.0.150.1330.01314.32
7.0.140.1430.01614.46
7.0.130.1530.00714.84
7.0.120.1290.00714.71
7.0.110.1160.00714.48
7.0.100.1490.02314.57
7.0.90.1480.01614.39
7.0.80.1730.01014.57
7.0.70.1490.01014.35
7.0.60.1570.01014.36
7.0.50.1500.00714.43
7.0.40.1310.00614.58
7.0.30.0930.01014.70
7.0.20.1230.01014.64
7.0.10.1470.00714.35
7.0.00.1430.01314.59

preferences:
46 ms | 400 KiB | 5 Q