3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = []; $var = $data['email'] ?? null; echo $var;

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)
8.3.60.0090.01216.75
8.3.50.0100.00716.16
8.3.40.0110.01118.85
8.3.30.0110.00418.73
8.3.20.0080.00020.08
8.3.10.0070.00323.45
8.3.00.0070.00419.80
8.2.180.0110.00816.50
8.2.170.0130.00322.96
8.2.160.0090.00619.12
8.2.150.0060.00324.18
8.2.140.0050.00224.66
8.2.130.0040.00419.32
8.2.120.0040.00426.35
8.2.110.0040.00420.54
8.2.100.0090.00317.61
8.2.90.0000.00818.95
8.2.80.0000.00717.97
8.2.70.0080.00017.50
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0060.00320.64
8.2.30.0070.00019.41
8.2.20.0080.00018.04
8.2.10.0030.00518.07
8.2.00.0070.00018.11
8.1.280.0150.00625.92
8.1.270.0090.00623.91
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0050.00322.72
8.1.230.0040.00719.04
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0000.01017.22
8.1.180.0040.00418.10
8.1.170.0060.00318.48
8.1.160.0070.00018.94
8.1.150.0070.00418.77
8.1.140.0050.00319.56
8.1.130.0000.00718.81
8.1.120.0000.00717.29
8.1.110.0000.00817.33
8.1.100.0000.00717.30
8.1.90.0030.00517.31
8.1.80.0000.01017.39
8.1.70.0000.00717.36
8.1.60.0040.00417.61
8.1.50.0000.00817.50
8.1.40.0000.00817.44
8.1.30.0040.00417.57
8.1.20.0040.00417.63
8.1.10.0050.00317.57
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0040.00418.30
8.0.270.0030.00317.23
8.0.260.0090.00016.90
8.0.250.0000.00616.98
8.0.240.0080.00016.97
8.0.230.0030.00616.79
8.0.220.0030.00316.80
8.0.210.0020.00516.88
8.0.200.0000.00716.92
8.0.190.0040.00416.78
8.0.180.0050.00316.74
8.0.170.0080.00016.71
8.0.160.0080.00016.88
8.0.150.0040.00416.64
8.0.140.0040.00416.68
8.0.130.0030.00313.29
8.0.120.0070.00016.77
8.0.110.0080.00016.66
8.0.100.0030.00316.77
8.0.90.0070.00016.79
8.0.80.0030.01616.86
8.0.70.0070.00016.77
8.0.60.0030.00316.69
8.0.50.0030.00516.68
8.0.30.0060.01016.92
8.0.20.0120.01417.40
8.0.10.0040.00416.90
8.0.00.0100.01416.48
7.4.330.0000.00715.55
7.4.320.0000.00616.39
7.4.300.0050.00216.32
7.4.290.0050.00216.32
7.4.280.0070.00016.39
7.4.270.0030.00316.49
7.4.260.0080.00016.41
7.4.250.0030.00316.48
7.4.240.0030.00316.48
7.4.230.0070.00016.41
7.4.220.0110.01516.31
7.4.210.0110.00316.58
7.4.200.0030.00316.46
7.4.160.0060.00916.54
7.4.150.0070.01117.40
7.4.140.0090.00917.86
7.4.130.0180.00716.38
7.4.120.0070.01216.35
7.4.110.0170.00016.55
7.4.100.0180.00016.38
7.4.90.0060.01016.43
7.4.80.0080.01019.39
7.4.70.0150.00016.48
7.4.60.0100.00616.43
7.4.50.0040.01416.39
7.4.40.0080.00916.57
7.4.30.0030.01216.39
7.4.00.0040.01214.77
7.3.330.0000.00612.99
7.3.320.0000.00513.00
7.3.310.0070.00016.32
7.3.300.0050.00216.24
7.3.290.0080.01016.25
7.3.280.0100.00716.26
7.3.270.0100.00717.40
7.3.260.0030.01516.38
7.3.250.0080.00916.37
7.3.240.0110.00816.37
7.3.230.0120.00616.30
7.3.210.0080.00816.45
7.3.200.0100.01016.23
7.3.190.0080.00816.50
7.3.180.0120.00416.32
7.3.170.0090.00616.46
7.3.160.0070.01016.59
7.3.120.0070.01214.86
7.3.110.0000.01614.92
7.3.100.0080.00914.75
7.3.90.0100.00314.94
7.3.80.0060.00514.53
7.3.70.0040.00914.65
7.3.60.0050.01014.71
7.3.50.0080.00214.89
7.3.40.0040.00914.72
7.3.30.0020.00914.75
7.3.20.0060.00516.55
7.3.10.0050.00716.67
7.3.00.0030.01016.61
7.2.330.0090.00916.30
7.2.320.0130.00916.66
7.2.310.0100.00716.63
7.2.300.0070.01016.59
7.2.290.0040.01216.35
7.2.250.0030.01314.68
7.2.240.0070.01214.88
7.2.230.0050.01115.02
7.2.220.0080.00615.12
7.2.210.0040.00914.97
7.2.200.0050.00814.89
7.2.190.0090.00514.94
7.2.180.0000.01314.98
7.2.170.0090.00614.96
7.2.160.0060.00814.89
7.2.150.0090.00616.84
7.2.140.0000.01216.99
7.2.130.0000.01416.83
7.2.120.0030.01016.91
7.2.110.0070.01016.89
7.2.100.0000.01516.83
7.2.90.0440.00815.68
7.2.80.0040.01215.90
7.2.70.1160.01115.95
7.2.60.0090.00915.75
7.2.50.0250.00915.97
7.2.40.0110.01115.71
7.2.30.0030.01315.98
7.2.20.0190.00615.78
7.2.10.0390.00915.76
7.2.00.1050.00815.89
7.1.330.0070.00615.64
7.1.320.0050.00715.51
7.1.310.0080.00315.57
7.1.300.0030.01015.64
7.1.290.0050.00615.49
7.1.280.0080.00515.51
7.1.270.0040.00715.49
7.1.260.0110.00315.66
7.1.250.0040.00715.41
7.1.240.0070.00715.64
7.1.230.0000.01515.86
7.1.220.0100.00715.66
7.1.210.0300.01014.79
7.1.200.0210.00314.63
7.1.190.0080.00514.81
7.1.180.0090.00714.52
7.1.170.0310.01414.71
7.1.160.1040.00814.69
7.1.150.0400.01014.68
7.1.140.0220.00514.63
7.1.130.0380.00314.64
7.1.120.0280.00614.64
7.1.110.1350.00314.85
7.1.100.0570.00814.79
7.1.90.1590.01114.88
7.1.80.0540.00714.72
7.1.70.0350.00814.76
7.1.60.0140.01423.67
7.1.50.0590.01023.70
7.1.40.0140.00823.73
7.1.30.0880.00323.85
7.1.20.0380.00723.82
7.1.10.0640.00514.67
7.1.00.0610.00314.59
7.0.330.0090.00315.15
7.0.320.0080.00615.30
7.0.310.0110.00714.38
7.0.300.0860.00514.16
7.0.290.0120.00314.22
7.0.280.0050.00814.25
7.0.270.1160.01014.20
7.0.260.0080.00514.30
7.0.250.1100.00914.26
7.0.240.0060.00814.39
7.0.230.1110.00714.16
7.0.220.0940.00314.40
7.0.210.0420.00614.35
7.0.200.0070.00814.34
7.0.190.0060.00614.33
7.0.180.0510.00614.53
7.0.170.0050.01014.25
7.0.160.0360.00414.17
7.0.150.0580.00814.21
7.0.140.0630.00614.41
7.0.130.0630.00614.32
7.0.120.0570.00514.31
7.0.110.0540.00714.37
7.0.100.0630.00514.27
7.0.90.0590.00514.20
7.0.80.0590.00614.34
7.0.70.0570.00614.19
7.0.60.0860.00914.34
7.0.50.0800.00514.43
7.0.40.0530.01213.42
7.0.30.0540.00313.42
7.0.20.0270.00713.28
7.0.10.0700.00713.28
7.0.00.0610.00313.28
5.6.400.0090.00014.14
5.6.390.0090.00413.79
5.6.380.0060.00914.31
5.6.370.0040.00813.82
5.6.360.0080.00014.20
5.6.350.0070.01014.02
5.6.340.0080.00013.84
5.6.330.0090.00914.04
5.6.320.0120.00414.18
5.6.310.0090.00314.11
5.6.300.0040.00814.03
5.6.290.0100.00314.11
5.6.280.0000.01013.80
5.6.270.0060.00613.84
5.6.260.0040.00413.90
5.6.250.0000.00814.07
5.6.240.0130.00314.07
5.6.230.0120.00014.26
5.6.220.0000.00813.84
5.6.210.0060.00613.98
5.6.200.0100.00314.01
5.6.190.0000.00913.83
5.6.180.0040.00714.09
5.6.170.0080.00414.09
5.6.160.0060.00313.96
5.6.150.0040.01114.22
5.6.140.0030.01013.70
5.6.130.0000.01013.94
5.6.120.0140.00013.84
5.6.110.0090.00614.00
5.6.100.0030.01214.21
5.6.90.0060.00913.99
5.6.80.0120.00613.86
5.6.70.0030.01413.95
5.6.60.0000.01114.18
5.6.50.0040.01113.97
5.6.40.0040.00813.86
5.6.30.0030.00913.84
5.6.20.0000.01614.07
5.6.10.0060.00313.94
5.6.00.0080.00614.00

preferences:
41.03 ms | 401 KiB | 5 Q