3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace test; $user = \null; if($user === \null) { echo 'null'; }

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)
8.3.60.0140.00416.36
8.3.50.0060.00817.82
8.3.40.0070.01018.59
8.3.30.0140.00018.39
8.3.20.0050.00320.04
8.3.10.0080.00023.65
8.3.00.0070.00019.85
8.2.180.0070.00716.32
8.2.170.0130.00322.96
8.2.160.0030.01020.45
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00820.25
8.2.120.0080.00026.35
8.2.110.0030.00722.30
8.2.100.0040.00717.78
8.2.90.0040.00419.14
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0030.00620.46
8.2.30.0000.00720.53
8.2.20.0000.00817.57
8.2.10.0000.00717.96
8.2.00.0000.00718.04
8.1.280.0140.00025.92
8.1.270.0070.01123.89
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0000.01023.92
8.1.230.0080.00417.64
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00917.22
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00718.51
8.1.160.0000.00722.13
8.1.150.0000.00718.82
8.1.140.0050.00319.41
8.1.130.0000.00717.65
8.1.120.0040.00417.29
8.1.110.0030.00317.38
8.1.100.0000.00817.42
8.1.90.0000.00717.40
8.1.80.0090.00017.37
8.1.70.0040.00417.40
8.1.60.0060.00317.41
8.1.50.0080.00017.46
8.1.40.0050.00317.33
8.1.30.0080.00017.61
8.1.20.0070.00017.50
8.1.10.0040.00417.54
8.1.00.0000.00817.45
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0030.00318.34
8.0.270.0070.00017.29
8.0.260.0030.00317.25
8.0.250.0000.00816.89
8.0.240.0030.00516.77
8.0.230.0000.00716.88
8.0.220.0030.00616.69
8.0.210.0030.00316.68
8.0.200.0000.00716.85
8.0.190.0000.00716.92
8.0.180.0030.00316.84
8.0.170.0040.00416.85
8.0.160.0040.00416.88
8.0.150.0080.00016.82
8.0.140.0000.00716.79
8.0.130.0050.00313.25
8.0.120.0000.00816.79
8.0.110.0030.00516.74
8.0.100.0030.00516.77
8.0.90.0030.00516.77
8.0.80.0090.00616.85
8.0.70.0070.00016.82
8.0.60.0080.00016.71
8.0.50.0040.00416.88
8.0.30.0070.01016.91
8.0.20.0120.00817.40
8.0.10.0000.00716.77
8.0.00.0140.00716.69
7.4.330.0030.00316.79
7.4.320.0030.00516.57
7.4.300.0030.00316.50
7.4.290.0080.00016.50
7.4.280.0050.00216.57
7.4.270.0000.00716.48
7.4.260.0000.00716.54
7.4.250.0040.00416.53
7.4.240.0040.00416.50
7.4.230.0070.00016.66
7.4.220.0060.01516.61
7.4.210.0070.00716.51
7.4.200.0070.00016.59
7.4.160.0130.00316.45
7.4.150.0100.00717.40
7.4.140.0100.01417.86
7.4.130.0130.00616.49
7.4.120.0090.00816.43
7.4.110.0110.00716.55
7.4.100.0060.01216.46
7.4.90.0140.00316.39
7.4.80.0110.00719.39
7.4.70.0030.01316.41
7.4.60.0170.00416.45
7.4.50.0000.01716.32
7.4.40.0130.00316.47
7.4.30.0090.01216.46
7.4.00.0100.00814.89
7.3.330.0000.00613.13
7.3.320.0050.00013.06
7.3.310.0070.00016.13
7.3.300.0040.00416.21
7.3.290.0070.00016.21
7.3.280.0110.00816.25
7.3.270.0090.01017.40
7.3.260.0060.01016.39
7.3.250.0110.00616.26
7.3.240.0130.00716.34
7.3.230.0040.01516.44
7.3.210.0060.01116.31
7.3.200.0060.00916.41
7.3.190.0090.01216.19
7.3.180.0040.01116.27
7.3.170.0120.00916.30
7.3.160.0080.00816.18
7.3.120.0040.01514.64
7.3.110.0100.01014.76
7.3.100.0120.00315.07
7.3.90.0060.00914.52
7.3.80.0030.01314.68
7.3.70.0000.01214.94
7.3.60.0140.00314.90
7.3.50.0100.00014.82
7.3.40.0040.00714.80
7.3.30.0000.01114.68
7.3.20.0040.00416.67
7.3.10.0030.01316.65
7.3.00.0040.01116.82
7.2.330.0100.00916.38
7.2.320.0120.00616.34
7.2.310.0070.01016.29
7.2.300.0090.00916.48
7.2.290.0100.00716.28
7.2.250.0090.01214.93
7.2.240.0100.01015.16
7.2.230.0110.00714.75
7.2.220.0040.00915.10
7.2.210.0130.00014.88
7.2.200.0030.01014.96
7.2.190.0090.00914.97
7.2.180.0030.00914.62
7.2.170.0060.00315.01
7.2.00.0030.01019.52
7.1.330.0040.00815.75
7.1.320.0030.00715.79
7.1.310.0060.00615.77
7.1.300.0060.00315.77
7.1.290.0030.01015.89
7.1.280.0070.00315.66
7.1.270.0100.00315.39
7.1.260.0000.00915.67
7.1.100.0040.00417.99
7.1.70.0000.00716.70
7.1.60.0030.01319.50
7.1.50.0030.01416.57
7.1.00.0100.07022.44
7.0.200.0030.00716.56
7.0.60.0130.07720.03
7.0.50.0030.08317.86
7.0.40.0070.07320.42
7.0.30.0370.05020.29
7.0.20.0130.04320.09
7.0.10.0030.04320.09
7.0.00.0030.08020.32
5.6.280.0000.03720.90
5.6.210.0100.07320.76
5.6.200.0100.03318.15
5.6.190.0100.05320.78
5.6.180.0530.06320.41
5.6.170.0270.05320.48
5.6.160.0000.05720.40
5.6.150.0070.06018.21
5.6.140.0100.05718.21
5.6.130.0000.04318.21
5.6.120.0100.08321.01
5.6.110.0200.08320.98
5.6.100.0100.08320.93
5.6.90.0070.04720.87
5.6.80.0030.08320.50
5.5.350.0200.08020.39
5.5.340.0030.08017.99
5.5.330.0170.04320.58
5.5.320.0030.04020.19
5.5.310.0300.06720.18
5.5.300.0070.04017.98
5.5.290.0030.07017.97
5.5.280.0070.04320.97
5.5.270.0070.05720.86
5.5.260.0100.08020.87
5.5.250.0130.06320.79
5.5.240.0100.03320.25

preferences:
56.16 ms | 400 KiB | 5 Q