3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = null; echo $n??123; echo "\u{262F}"; ?>

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)
8.3.60.0070.00717.96
8.3.50.0110.01117.80
8.3.40.0060.00918.77
8.3.30.0110.00318.45
8.3.20.0040.00420.16
8.3.10.0060.00320.53
8.3.00.0000.00821.60
8.2.180.0070.01516.75
8.2.170.0070.00722.96
8.2.160.0070.00722.02
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0060.00321.12
8.2.120.0050.00326.35
8.2.110.0090.00019.29
8.2.100.0090.00318.05
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0000.00818.09
8.2.40.0050.00322.16
8.2.30.0000.00719.43
8.2.20.0050.00317.76
8.2.10.0070.00018.01
8.2.00.0000.00717.98
8.1.280.0080.00825.92
8.1.270.0080.00023.87
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00622.09
8.1.230.0100.00017.76
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.13
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0080.00018.32
8.1.160.0050.00320.68
8.1.150.0070.00018.82
8.1.140.0040.00419.35
8.1.130.0040.00417.62
8.1.120.0050.00317.46
8.1.110.0000.00717.38
8.1.100.0030.00517.37
8.1.90.0030.00317.35
8.1.80.0040.00417.38
8.1.70.0000.00717.41
8.1.60.0070.00017.46
8.1.50.0040.00417.34
8.1.40.0000.00817.49
8.1.30.0080.00017.49
8.1.20.0080.00017.32
8.1.10.0050.00217.45
8.1.00.0070.00017.41
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0030.00318.47
8.0.270.0030.00317.25
8.0.260.0000.00817.24
8.0.250.0040.00416.88
8.0.240.0060.00016.98
8.0.230.0030.00316.83
8.0.220.0000.00716.73
8.0.210.0070.00016.83
8.0.200.0030.00316.86
8.0.190.0000.00816.86
8.0.180.0000.00716.89
8.0.170.0040.00416.72
8.0.160.0000.00716.77
8.0.150.0050.00316.75
8.0.140.0040.00416.77
8.0.130.0000.00613.17
8.0.120.0000.00716.79
8.0.110.0000.00716.77
8.0.100.0040.00416.68
8.0.90.0000.00716.93
8.0.80.0030.01216.85
8.0.70.0040.00416.67
8.0.60.0040.00416.82
8.0.50.0080.00016.71
8.0.30.0060.01217.13
8.0.20.0100.01417.40
8.0.10.0000.00716.89
8.0.00.0080.01116.79
7.4.330.0000.00516.81
7.4.320.0030.00316.42
7.4.300.0060.00016.40
7.4.290.0030.00316.50
7.4.280.0030.00716.56
7.4.270.0030.00316.61
7.4.260.0040.00416.42
7.4.250.0000.00716.34
7.4.240.0050.00216.38
7.4.230.0000.00716.50
7.4.220.0090.01516.42
7.4.210.0030.01016.53
7.4.200.0030.00316.62
7.4.160.0120.00916.32
7.4.150.0150.00317.40
7.4.140.0170.00817.86
7.4.130.0030.01416.29
7.4.120.0060.01016.30
7.4.110.0140.00916.32
7.4.100.0090.00916.46
7.4.90.0060.01516.47
7.4.80.0070.01119.39
7.4.70.0120.00716.50
7.4.60.0060.01216.42
7.4.50.0130.00316.37
7.4.40.0060.00916.54
7.4.30.0070.01316.29
7.4.00.0100.00315.05
7.3.330.0050.00013.02
7.3.320.0050.00012.98
7.3.310.0050.00316.28
7.3.300.0000.00716.06
7.3.290.0080.00816.20
7.3.280.0080.01016.18
7.3.270.0040.01417.40
7.3.260.0110.01516.42
7.3.250.0120.00816.30
7.3.240.0050.01116.44
7.3.230.0080.00816.39
7.3.210.0100.00716.46
7.3.200.0150.00016.24
7.3.190.0030.01316.33
7.3.180.0110.00716.18
7.3.170.0080.00816.43
7.3.160.0060.01216.29
7.3.120.0070.01114.39
7.3.110.0070.01014.55
7.3.100.0000.01514.66
7.3.90.0060.00314.59
7.3.80.0030.00614.79
7.3.70.0000.01714.65
7.3.60.0060.00614.63
7.3.50.0000.01314.73
7.3.40.0060.00614.48
7.3.30.0000.01314.28
7.3.20.0040.01016.48
7.3.10.0090.00316.69
7.3.00.0060.00816.32
7.2.330.0140.00416.68
7.2.320.0150.00416.58
7.2.310.0100.01016.56
7.2.300.0130.01016.36
7.2.290.0080.01216.32
7.2.250.0040.01514.80
7.2.240.0080.00814.91
7.2.230.0000.01614.89
7.2.220.0030.00615.03
7.2.210.0000.01514.61
7.2.200.0070.01114.62
7.2.190.0070.00714.92
7.2.180.0100.00314.89
7.2.170.0060.01314.80
7.2.130.0080.00417.00
7.2.120.0070.01016.84
7.2.110.0050.00516.58
7.2.100.0000.01616.98
7.2.90.0060.00916.68
7.2.80.0090.00616.88
7.2.70.0060.00316.59
7.2.60.0070.00816.72
7.2.50.0030.01316.90
7.2.40.0110.00316.55
7.2.30.0070.00716.60
7.2.20.0090.00616.84
7.2.10.0000.01016.51
7.2.00.0050.00617.96
7.1.330.0100.00315.66
7.1.320.0000.01315.47
7.1.310.0000.01115.54
7.1.300.0000.01215.34
7.1.290.0030.01015.62
7.1.280.0060.00815.75
7.1.270.0000.01315.36
7.1.260.0000.01615.80
7.1.250.0060.00615.56
7.1.200.0000.01115.33
7.1.100.0090.00918.13
7.1.70.0000.00816.77
7.1.60.0130.01319.19
7.1.50.0100.01316.86
7.1.00.0070.07322.43
7.0.200.0550.00714.58
7.0.60.0170.06721.77
7.0.50.0070.07317.80
7.0.40.0130.08320.00
7.0.30.0330.07720.16
7.0.20.0430.03720.00
7.0.10.0030.09020.00
7.0.00.0030.08320.10
5.6.280.0030.03721.02
5.6.210.0070.08020.54
5.6.200.0070.08018.22
5.6.190.0100.04020.39
5.6.180.0500.04320.59
5.6.170.0400.05320.55
5.6.160.0100.08720.39
5.6.150.0100.07018.27
5.6.140.0070.07318.17
5.6.130.0030.04718.19
5.6.120.0130.04721.01
5.6.110.0030.07021.02
5.6.100.0270.06720.96
5.6.90.0070.04020.98
5.6.80.0100.07720.37
5.5.350.0370.07020.39
5.5.340.0070.04717.96
5.5.330.0030.04020.41
5.5.320.0500.07720.38
5.5.310.0330.06720.27
5.5.300.0070.03717.99
5.5.290.0130.07317.98
5.5.280.0100.03320.86
5.5.270.0070.08020.63
5.5.260.0100.08020.78
5.5.250.0130.07020.58
5.5.240.0000.04020.25

preferences:
56.16 ms | 401 KiB | 5 Q